Michael Feldman, MD, PHD
NPI 1538502745 · Critical Care Medicine (Internal Medicine) Physician · Boston, MA
Enrolled with Medicare as Practitioner - Critical Care (intensivists) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Feldman, MD, PHD is a Critical Care Medicine (Internal Medicine) Physician provider in Boston, MA (NPI 1538502745).
Provider details
- NPI number
- 1538502745
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Male
- Sole proprietor
- No
- License
- 265311 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
- 2013-04-08
- Last updated
- 2019-05-28
Frequently asked questions
- What is Michael Feldman's NPI number?
- Michael Feldman's National Provider Identifier (NPI) is 1538502745, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Feldman's specialty?
- Michael Feldman is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Feldman located?
- Michael Feldman's practice location on file with NPPES is 55 Fruit St, Boston, MA 02114-2621.
- What is Michael Feldman's phone number?
- The practice phone number listed in the NPPES registry for Michael Feldman is (617) 726-1721.
- Does Michael Feldman accept Medicare?
- Michael Feldman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Feldman's NPI active?
- Yes — Michael Feldman's NPI (1538502745) is active in the NPPES registry as of the last update on 2019-05-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.