Maureen Ahn, M.D.
NPI 1851535140 · Internal Medicine Physician · Westminster, MD
Maureen Ahn, M.D. is a Internal Medicine Physician provider in Westminster, MD (NPI 1851535140).
Provider details
- NPI number
- 1851535140
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- D0043962 (MD)
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
- 2009-04-30
- Last updated
- 2013-06-11
Frequently asked questions
- What is Maureen Ahn's NPI number?
- Maureen Ahn's National Provider Identifier (NPI) is 1851535140, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maureen Ahn's specialty?
- Maureen Ahn is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Maureen Ahn located?
- Maureen Ahn's practice location on file with NPPES is 1130 Baltimore Blvd, Westminster, MD 21157-7098.
- What is Maureen Ahn's phone number?
- The practice phone number listed in the NPPES registry for Maureen Ahn is (410) 848-2170.
- Is Maureen Ahn's NPI active?
- Yes — Maureen Ahn's NPI (1851535140) is active in the NPPES registry as of the last update on 2013-06-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.