Marianne Barnhill, M.D.
NPI 1447267687 · Hematology & Oncology Physician · Reston, VA
Marianne Barnhill, M.D. is a Hematology & Oncology Physician provider in Reston, VA (NPI 1447267687).
Provider details
- NPI number
- 1447267687
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 0101264851 (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
19 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
- 2006-08-01
- Last updated
- 2019-08-30
Frequently asked questions
- What is Marianne Barnhill's NPI number?
- Marianne Barnhill's National Provider Identifier (NPI) is 1447267687, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marianne Barnhill's specialty?
- Marianne Barnhill is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Marianne Barnhill located?
- Marianne Barnhill's practice location on file with NPPES is 11279 Center Harbor Rd, Reston, VA 20194-1324.
- What is Marianne Barnhill's phone number?
- The practice phone number listed in the NPPES registry for Marianne Barnhill is (504) 920-6102.
- Is Marianne Barnhill's NPI active?
- Yes — Marianne Barnhill's NPI (1447267687) is active in the NPPES registry as of the last update on 2019-08-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.