Barbara Nies, M.D.
NPI 1346331170 · Maternal & Fetal Medicine Physician · Fairfax, VA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Barbara Nies, M.D. is a Maternal & Fetal Medicine Physician provider in Fairfax, VA (NPI 1346331170).
Provider details
- NPI number
- 1346331170
- Entity type
- Individual
- Primary specialty
- Maternal & Fetal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 042260 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
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
4 documented practice locations
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
Additional practice locations (3)
- 3020 Hamaker CtSuite 501Fairfax, VA 22031-2238Phone: (703) 698-5350Fax: (703) 204-1074
- 3300 Gallows RdFalls Church, VA 22042-3307Phone: (703) 776-4001Fax: (703) 776-7113
- 44055 Riverside Pkwy Ste 104Leesburg, VA 20176-5155Phone: (703) 858-8378Fax: (703) 858-8300
Registry dates
- Enumerated
- 2006-09-27
- Last updated
- 2022-12-07
- Certified
- 2022-12-07
Frequently asked questions
- What is Barbara Nies's NPI number?
- Barbara Nies's National Provider Identifier (NPI) is 1346331170, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Barbara Nies's specialty?
- Barbara Nies is listed in the NPPES registry with a primary specialty of Maternal & Fetal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Barbara Nies located?
- Barbara Nies's practice location on file with NPPES is 8081 Innovation Park Dr Ste 301, Fairfax, VA 22031-4867.
- What is Barbara Nies's phone number?
- The practice phone number listed in the NPPES registry for Barbara Nies is (703) 698-5350.
- Does Barbara Nies accept Medicare?
- Barbara Nies is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Barbara Nies's NPI active?
- Yes — Barbara Nies's NPI (1346331170) is active in the NPPES registry as of the last update on 2022-12-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.