Karen R Maser MD LLC
NPI 1477751030 · Obstetrics & Gynecology Physician · Fairfax, VA
Karen R Maser MD LLC is a Obstetrics & Gynecology Physician organization in Fairfax, VA (NPI 1477751030).
Provider details
- NPI number
- 1477751030
- Entity type
- Organization
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Karen Maser, Ceo(703) 560-9070
- License
- 0101058017 (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
18 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
- 2007-07-05
- Last updated
- 2020-08-22
Frequently asked questions
- What is Karen R Maser MD LLC's NPI number?
- Karen R Maser MD LLC's National Provider Identifier (NPI) is 1477751030, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Karen R Maser MD LLC?
- Karen R Maser MD LLC is classified in the NPPES registry as Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Karen R Maser MD LLC located?
- Karen R Maser MD LLC's practice location on file with NPPES is 8505 Arlington Blvd #410, Fairfax, VA 22031.
- What is Karen R Maser MD LLC's phone number?
- The practice phone number listed in the NPPES registry for Karen R Maser MD LLC is (703) 560-9070.
- Who is the authorized official for Karen R Maser MD LLC?
- The authorized official listed on Karen R Maser MD LLC's NPPES record is Karen Maser, Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Karen R Maser MD LLC's NPI active?
- Yes — Karen R Maser MD LLC's NPI (1477751030) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.