Get Care at ParkTree: Clinic Locations, Services & Appointments
ParkTree Community Health Center is a nonprofit Federally Qualified Health Center (FQHC) serving patients in Pomona and Ontario, California. It provides primary medical care, pediatric services, dental treatment, women’s health, counseling, chronic disease management and other outpatient services.
Patients with Medi-Cal, Medicare and participating private insurance plans can request appointments. People without insurance can ask about the clinic’s income-based Sliding Fee Discount Program.
Information reviewed October 23, 2026. Clinic hours, appointments, insurance networks and service availability can change.
ParkTree Community Health Center Locations & Hours
ParkTree operates multiple sites. Not every location has the same services, appointment phone number or opening hours.
1450 E. Holt Avenue, Pomona, CA 91767
Phone: 909-630-7927
1448 E. Holt Avenue, Pomona, CA 91767
Dental appointments: 909-630-7028
750 S. Park Avenue, Suite 101, Pomona, CA 91766
Location phone: 909-630-7196
1556 S. Sultana Avenue, Ontario, CA 91761
Medical: 909-469-9017
Dental: 909-469-9018
2680 E. Riverside Drive, Ontario, CA 91761
Medical: 909-469-9013
Dental: 909-469-9016
Published Clinic Hours
Location hours below come from public-health or community-service directory records. These should be used for planning, not as confirmation of an available appointment.
| Location | Published hours |
|---|---|
| Holt Medical, Pomona | Mon–Thu 8 AM–9 PM; Friday and Saturday 8 AM–5 PM; Sunday not listed as open |
| Park Health, Pomona | Mon–Fri 8 AM–5 PM; weekends closed in the referenced community directory |
| Sultana, Ontario | Mon and Wed 8 AM–5 PM; Tue and Thu 8 AM–9 PM; Fri and Sat 8 AM–5 PM |
| Archibald, Ontario | Mon–Tue 7:40 AM–5 PM; Wed 7:40 AM–9 PM; Thu–Fri 7:40 AM–5 PM in the community-service directory |
| Dental departments | Confirm separately; medical office hours do not automatically apply to dentistry |
The most reliable way to avoid visiting the wrong site is to ask the scheduler to repeat the full street address, department, date and arrival time when the appointment is confirmed.
Services: Which Department Should You Contact?
Preventive visits, physical examinations, common medical concerns, chronic-condition follow-ups and medication management for children and adults.
Well-child examinations, school and sports physicals, immunizations and medical care for infants, children and teenagers.
Well-woman visits, reproductive health, pregnancy-related care, preventive screenings and family-planning services.
Examinations, cleanings, fillings, root canals, crowns, extractions, dentures, sealants and appropriate emergency dental treatment.
Individual, family and couples counseling for concerns including stress, anxiety, depression, relationship problems and substance-use challenges.
Long-term care support for diabetes and other health conditions, including monitoring, medication review and patient education.
HIV testing, STI-related services, preventive care and information about PrEP and PEP when appropriate.
ParkTree also lists optometry, podiatry and chiropractic services. Ask which location offers the requested service and whether a referral is needed.
If you are comparing safety-net healthcare in Southern California, our San Fernando Community Health Center medical and dental guide explains another provider’s services, insurance options and appointment process.
Primary Care, Screenings & Chronic Conditions
ParkTree’s primary care program covers children, teenagers, adults and older patients. It can serve as the starting point for preventive care and continuing management of medical concerns.
| Reason for Visit | What to Request |
|---|---|
| Annual checkup | Preventive physical or primary-care examination |
| School or sports requirements | School/sports physical and any required documentation |
| Vaccination | Immunization appointment; verify vaccine availability |
| Diabetes | Chronic-care visit, monitoring and medication review |
| High blood pressure | Primary-care assessment and ongoing follow-up |
| Medication refill | Prescription review or refill request |
| Women’s preventive health | Well-woman examination and relevant screenings |
| HIV prevention | Ask about testing, PrEP or PEP evaluation |
| Recent hospital discharge | Arrange a timely follow-up with the care team |
ParkTree recommends prompt follow-up after hospitalization and advises patients to bring medication lists, consultation notes and vaccination records.
For a same-day medical concern, call and explain the urgency of your symptoms. Do not assume ParkTree is a walk-in emergency department.
ParkTree Dental Clinics: Locations & Treatments
ParkTree identifies three dental locations serving Pomona and Ontario.
| Dental Center | Appointments |
|---|---|
| Holt Dental, 1448 E. Holt Ave, Pomona | 909-630-7028 |
| Sultana Dental, 1556 S. Sultana Ave, Ontario | 909-469-9018 |
| Archibald Dental, 2680 E. Riverside Dr, Ontario | 909-469-9016 |
Available Dental Treatments
- Dental examinations and preventive care
- General and deep cleanings
- Fluoride varnish and sealants
- Dental fillings
- Root canal treatment
- Crowns
- Tooth extractions
- Full and partial dentures
- Evaluation for urgent dental problems
For another California nonprofit offering medical and dental care with payment assistance, see our Serve the People Community Health Center patient guide.
Behavioral Health, Counseling & Telehealth
ParkTree provides behavioral healthcare through licensed clinical social workers and other care professionals. Counseling services can support individuals, couples and families.
Published topics include anxiety, depression, anger management, difficult life changes, relationship concerns and support in reducing substance use.
How to Request Counseling
- Call 909-630-7927.
- Ask for behavioral health or counseling services.
- Explain whether you need an individual, couples or family appointment.
- Confirm available clinic locations and telehealth options.
- Ask whether a referral, insurance authorization or intake assessment is needed.
- Verify the appointment time and any forms to complete.
ParkTree also offers medical and behavioral health telehealth visits when appropriate. Some concerns require an in-person examination, tests or treatment.
Readers comparing community health center counseling and telehealth services can also consult our Manet Community Health Center patient services guide. Manet is a separate Massachusetts provider with different service and insurance arrangements.
Insurance, Medi-Cal & Sliding Fee Discounts
ParkTree accepts multiple types of coverage and provides enrollment help. The organization lists Medi-Cal, Medicare, Covered California, Family PACT and participating commercial and managed-care plans.
| Your Coverage | What to Check |
|---|---|
| Medi-Cal | Verify the exact assigned health plan, medical group and provider network. |
| IEHP | Ask whether your IEHP product and selected clinic are participating. |
| LA Care / Anthem / Health Net / Molina | Confirm participation under the relevant Healthcare LA or other contracting arrangement. |
| Medicare | Verify the clinician, covered service and any cost-sharing requirements. |
| Covered California | Confirm whether your specific insurer and network are accepted. |
| Family PACT | Ask about eligibility and covered reproductive health services. |
| No insurance | Request the Sliding Fee Discount Program and enrollment assistance. |
Can You Visit Without Health Insurance?
Yes. ParkTree states that patients without insurance may qualify for reduced charges based on household income and family size, and that patients are not denied care solely because they cannot afford to pay.
However, sliding-fee care is not necessarily free. The applicable charge depends on eligibility, service and the clinic’s current fee policy.
Documents for Sliding-Fee Assistance
- Information about household members and household size
- Recent pay stubs, generally one month’s worth
- Income tax documentation, if applicable
- Employer letter or statement showing earnings
- Other income records requested by the enrollment specialist
How to Apply
Call 909-630-7927 and ask for sliding-fee assistance, or call the published sliding-fee assistance line at 909-630-7939.
Tell staff whether you are uninsured, have a deductible/share of cost or need help applying for coverage.
Prepare income documents and the number of people in your household.
Ask staff to review eligibility and explain the estimated cost for the service you need.
Enrollment staff can also assist with health coverage applications. For eligibility questions, ParkTree publishes enrollment@parktreechc.org.
First Appointment: What to Bring
ParkTree offers new-patient registration forms in English and Spanish. Completing the appropriate form before arrival may reduce paperwork at check-in.
- Photo identification, if available
- Insurance, Medi-Cal or Medicare card, if insured
- Current medication names and doses
- Immunization records, especially for children
- Previous relevant medical or dental records
- Hospital discharge papers or specialist notes, if applicable
- Referral or authorization paperwork when required
- Household income documents if requesting sliding-fee assistance
- School, sports or other medical forms you need completed
- Questions you want to discuss with the provider
How to Book a ParkTree Appointment
Decide whether you need primary care, pediatrics, dental services, women’s health, counseling, screening or another specialty.
Dial 909-630-7927 for general scheduling, or use the specific dental location’s appointment number.
Tell staff whether Pomona or Ontario is more convenient, then verify which clinic provides the service.
Provide insurance information or request sliding-fee enrollment if you need financial assistance.
Ask whether patient forms, medical records, referrals or income documents are needed.
Save the exact clinic address, department, date, check-in time and any confirmation instructions.
Patient Portal: Appointments, Refills & Messages
ParkTree’s online patient portal supports appointment requests, medication-refill requests, appointment reminders and secure communication with the care team.
How to Access Your Portal
- Open the official ParkTree patient portal page.
- Select the portal access link.
- If you are registering, use your existing email address.
- Complete verification with the PIN or verification question provided.
- Confirm your email address and finish account registration.
- Sign in to access the functions available for your patient account.
After-Hours Care & Emergency Assistance
ParkTree provides access to an on-call clinician for non-emergency concerns outside regular clinic hours.
909-630-7927
Call and follow the prompts to reach the available clinical team.
Patients enrolled in managed-care health plans can also contact the nurse advice line printed on their insurance card.
For a life-threatening emergency, call 911 or go to the nearest emergency department. Do not wait for an appointment, portal reply or after-hours callback.
Directions: Pomona & Ontario Clinic Locations
ParkTree’s main Holt Medical location is on East Holt Avenue in Pomona. Its Ontario sites are located on South Sultana Avenue and East Riverside Drive.
| Clinic | Directions |
|---|---|
| Holt Medical, Pomona | 1450 E. Holt Avenue map |
| Holt Dental, Pomona | 1448 E. Holt Avenue map |
| Park Health, Pomona | 750 S. Park Avenue map |
| Sultana, Ontario | 1556 S. Sultana Avenue map |
| Archibald, Ontario | 2680 E. Riverside Drive map |
Useful Comparisons With Other Community Health Centers
ParkTree is one of several nonprofit healthcare organizations providing care to insured and uninsured patients. For comparison, our Lynn Community Health Center appointment and patient portal guide explains how another FQHC handles urgent care, pharmacy access and payment assistance in Massachusetts.
These organizations operate independently. Their hours, services, insurers and fee discounts should not be assumed to apply to ParkTree.
Before Your Appointment: Quick Checklist
- Confirm whether your appointment is in Pomona or Ontario.
- Check the specific medical or dental department’s hours.
- Bring your insurance card if you have coverage.
- Ask whether your exact Medi-Cal or private plan is accepted.
- Bring medication details and available medical records.
- Complete new-patient forms if instructed.
- Request income-based payment help if needed.
- Confirm whether your appointment is in person or by telehealth.
- Ask for an interpreter or accessibility assistance in advance.
- Use the after-hours phone for non-emergency concerns outside office hours.
- Use 911 for life-threatening emergencies.
Frequently Asked Questions
1. Where is ParkTree Community Health Center located?
ParkTree operates medical and dental clinics in Pomona and Ontario, California. Its main Holt Medical Center is at 1450 E. Holt Avenue, Pomona, CA 91767. Other locations are on S. Park Avenue, S. Sultana Avenue and E. Riverside Drive.
2. What is the ParkTree Community Health Center phone number?
The main appointment and information number is 909-630-7927. Specific dental locations have separate appointment phone numbers.
3. What are ParkTree Community Health Center’s hours?
Hours vary by clinic. A CDC public-health listing shows Holt Medical open Monday–Thursday 8 AM–9 PM and Friday–Saturday 8 AM–5 PM. Other locations have different schedules, so confirm your exact clinic before visiting.
4. What medical services does ParkTree offer?
ParkTree provides primary care, pediatrics, women’s health, dental care, behavioral health, diabetes and chronic-condition management, infectious-disease services and other specialty care. Availability varies by clinic.
5. Does ParkTree accept Medi-Cal and Medicare?
Yes. ParkTree lists Medi-Cal and Medicare among its accepted coverage types. Patients should confirm that their specific plan, provider network and requested service are covered.
6. Can I visit ParkTree without insurance?
Yes. ParkTree offers a Sliding Fee Discount Program for eligible patients based on income and household size. Patients are not denied care solely because of inability to pay.
7. Does ParkTree have dental clinics?
Yes. ParkTree has dental centers at 1448 E. Holt Avenue in Pomona, 1556 S. Sultana Avenue in Ontario and 2680 E. Riverside Drive in Ontario.
8. Does ParkTree offer mental health counseling?
Yes. ParkTree provides behavioral health counseling for individuals, families and couples. Call 909-630-7927 to ask about available appointments and telehealth options.
9. How do I book a ParkTree appointment?
Call 909-630-7927, explain which service you need, select a convenient location and confirm your insurance or sliding-fee eligibility. Existing patients can also review appointment-request options through the official patient portal.
10. What should I do if I need care after ParkTree closes?
For a non-emergency concern, call 909-630-7927 and follow the instructions for the on-call clinician. For a life-threatening emergency, call 911 or go to the nearest emergency department.
Official ParkTree Resources & Patient Actions
Independent patient information reviewed October 23, 2026. This website is not operated by ParkTree Community Health Center and does not provide diagnosis or individualized treatment advice. Confirm clinic hours, costs, insurance and appointments directly with ParkTree. Call 911 for emergencies.