United Doctors Inc
NPI 1851525034 · Internal Medicine Physician · Fairfax, VA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
United Doctors Inc is a Internal Medicine Physician organization in Fairfax, VA (NPI 1851525034).
Provider details
- NPI number
- 1851525034
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Sadia Masood, President(301) 742-1704
- License
- 0101244167 (VA)
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
17 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
Registry dates
- Enumerated
- 2009-05-04
- Last updated
- 2020-04-17
- Certified
- 2020-04-17
Frequently asked questions
- What is United Doctors Inc's NPI number?
- United Doctors Inc's National Provider Identifier (NPI) is 1851525034, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is United Doctors Inc?
- United Doctors Inc is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is United Doctors Inc located?
- United Doctors Inc's practice location on file with NPPES is 2812 Old Lee Hwy Ste 210b, Fairfax, VA 22031-4367.
- What is United Doctors Inc's phone number?
- The practice phone number listed in the NPPES registry for United Doctors Inc is (703) 573-0086.
- Does United Doctors Inc accept Medicare?
- United Doctors Inc 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 United Doctors Inc?
- The authorized official listed on United Doctors Inc's NPPES record is Sadia Masood, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is United Doctors Inc's NPI active?
- Yes — United Doctors Inc's NPI (1851525034) is active in the NPPES registry as of the last update on 2020-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.