Michelle Long, M.D.
NPI 1194952663 · Gastroenterology Physician · Boston, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michelle Long, M.D. is a Gastroenterology Physician provider in Boston, MA (NPI 1194952663).
Provider details
- NPI number
- 1194952663
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- L-240075 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
- 2009-06-11
- Last updated
- 2021-05-03
- Certified
- 2021-05-03
Frequently asked questions
- What is Michelle Long's NPI number?
- Michelle Long's National Provider Identifier (NPI) is 1194952663, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michelle Long's specialty?
- Michelle Long is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Michelle Long located?
- Michelle Long's practice location on file with NPPES is 830 Harrison Avenue, Boston, MA 02118.
- What is Michelle Long's phone number?
- The practice phone number listed in the NPPES registry for Michelle Long is (617) 638-6525.
- Does Michelle Long accept Medicare?
- Michelle Long is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michelle Long's NPI active?
- Yes — Michelle Long's NPI (1194952663) is active in the NPPES registry as of the last update on 2021-05-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.