IndividualActive
John Hermos, M.D.
NPI 1861508384 · Internal Medicine Physician · Boston, MA
John Hermos, M.D. is a Internal Medicine Physician provider in Boston, MA (NPI 1861508384).
Provider details
- NPI number
- 1861508384
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 31701 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
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
Va Boston Healthcare System
150 S. Huntington Avenue
Boston, MA 02130
Phone: (857) 364-6130
Fax: (857) 363-4424
Approximate (ZIP-level) locationGet directions
Mailing address
86 Toxteth St
Brookline, MA 02446-6910
Registry dates
- Enumerated
- 2006-08-21
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Hermos's NPI number?
- John Hermos's National Provider Identifier (NPI) is 1861508384, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Hermos's specialty?
- John Hermos is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Hermos located?
- John Hermos's practice location on file with NPPES is Va Boston Healthcare System, Boston, MA 02130.
- What is John Hermos's phone number?
- The practice phone number listed in the NPPES registry for John Hermos is (857) 364-6130.
- Is John Hermos's NPI active?
- Yes — John Hermos's NPI (1861508384) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.