Oak Tree Primary Care
5999 Harpers Farm Rd, Columbia, MD, 21044
What we can verify
Each claim below is backed by a source we checked. Claims we couldn’t evidence are simply absent, which does not mean the clinic doesn’t offer them.
Primary care
confidence 0.90“Dr. Zaheer can take care of all your primary care needs”
Clinic website — www.oaktreeprimarycare.com/membership-fees • checked 2026-09-17
Direct Primary Care
confidence 0.95“Listed as a pure direct primary care practice.”
DPC Frontier — mapper.dpcfrontier.com/practice/ybfbpwfgcshg • checked 2026-09-17
Clinicians
| Name | Specialty | Panel | NPI |
|---|---|---|---|
| Sarah Zaheer, MD | Family Medicine | waitlist | 1982998209NPI record verified |
An NPI is a registry identifier. Per NPPES, holding one does not establish that a provider is licensed or credentialed. Verify licensure with the relevant state medical or nursing board.
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Listing checked September 17, 2026. How we verify listings
GLP-1 Care Map lists providers and patient-reported information. It is not medical advice and does not recommend any provider or treatment. We do not verify licensure, and services and prices change: confirm details with the provider before you book.