IndividualActive
Mark Bauer, M.D.
NPI 1487625307 · Internal Medicine Physician · Watertown, MA
Provider details
- NPI number
- 1487625307
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 42997 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
485 Arsenal St
Internal Medicine
Watertown, MA 02472-5091
Phone: (617) 972-5200
Fax: (617) 972-5512
Street-level locationGet directions
Mailing address
147 Milk St
Boston, MA 02109-4806
Registry dates
- Enumerated
- 2006-01-30
- Last updated
- 2011-06-27
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.