IndividualActive
Mark Friedman, MD
NPI 1760482921 · Internal Medicine Physician · Cambridge, MA
Mark Friedman, MD is a Internal Medicine Physician provider in Cambridge, MA (NPI 1760482921).
Provider details
- NPI number
- 1760482921
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 38383 (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
625 Mount Auburn St
Ste 104
Cambridge, MA 02138-4555
Phone: (617) 491-5586
Fax: (617) 661-5995
Street-level locationGet directions
Mailing address
625 Mount Auburn St
Cambridge, MA 02138-4555
Registry dates
- Enumerated
- 2005-07-28
- Last updated
- 2012-04-13
Frequently asked questions
- What is Mark Friedman's NPI number?
- Mark Friedman's National Provider Identifier (NPI) is 1760482921, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Friedman's specialty?
- Mark Friedman is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Friedman located?
- Mark Friedman's practice location on file with NPPES is 625 Mount Auburn St, Cambridge, MA 02138-4555.
- What is Mark Friedman's phone number?
- The practice phone number listed in the NPPES registry for Mark Friedman is (617) 491-5586.
- Is Mark Friedman's NPI active?
- Yes — Mark Friedman's NPI (1760482921) is active in the NPPES registry as of the last update on 2012-04-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.