Mary Macgregor, M.D.
NPI 1629296439 · Geriatric Medicine (Internal Medicine) Physician · Baltimore, MD
Mary Macgregor, M.D. is a Geriatric Medicine (Internal Medicine) Physician provider in Baltimore, MD (NPI 1629296439).
Provider details
- NPI number
- 1629296439
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- D0013657 (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
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
- 2007-04-24
- Last updated
- 2007-11-12
Frequently asked questions
- What is Mary Macgregor's NPI number?
- Mary Macgregor's National Provider Identifier (NPI) is 1629296439, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Macgregor's specialty?
- Mary Macgregor is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Macgregor located?
- Mary Macgregor's practice location on file with NPPES is 700 W 40th St, Baltimore, MD 21211-2104.
- What is Mary Macgregor's phone number?
- The practice phone number listed in the NPPES registry for Mary Macgregor is (410) 662-4390.
- Is Mary Macgregor's NPI active?
- Yes — Mary Macgregor's NPI (1629296439) is active in the NPPES registry as of the last update on 2007-11-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.