Oak Tree Primary Care LLC
NPI 1598420531 · Family Medicine Physician · Columbia, MD
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Oak Tree Primary Care LLC is a Family Medicine Physician organization in Columbia, MD (NPI 1598420531).
Provider details
- NPI number
- 1598420531
- Entity type
- Organization
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Sarah Zaheer, Physician/Ceo(443) 228-8592
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Other name
- Oak Tree Dpc
Registry dates
- Enumerated
- 2021-11-04
- Last updated
- 2021-11-04
- Certified
- 2021-11-04
Frequently asked questions
- What is Oak Tree Primary Care LLC's NPI number?
- Oak Tree Primary Care LLC's National Provider Identifier (NPI) is 1598420531, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Oak Tree Primary Care LLC?
- Oak Tree Primary Care LLC is classified in the NPPES registry as Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Oak Tree Primary Care LLC located?
- Oak Tree Primary Care LLC's practice location on file with NPPES is 5999 Harpers Farm Rd Ste E260, Columbia, MD 21044-3177.
- What is Oak Tree Primary Care LLC's phone number?
- The practice phone number listed in the NPPES registry for Oak Tree Primary Care LLC is (443) 228-8592.
- Does Oak Tree Primary Care LLC accept Medicare?
- Oak Tree Primary Care LLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Oak Tree Primary Care LLC?
- The authorized official listed on Oak Tree Primary Care LLC's NPPES record is Sarah Zaheer, Physician/Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Oak Tree Primary Care LLC's NPI active?
- Yes — Oak Tree Primary Care LLC's NPI (1598420531) is active in the NPPES registry as of the last update on 2021-11-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.