IndividualActive
Mark Peppercornm.d., M.D.
NPI 1407964554 · Gastroenterology Physician · Boston, MA
Mark Peppercornm.d., M.D. is a Gastroenterology Physician provider in Boston, MA (NPI 1407964554).
Provider details
- NPI number
- 1407964554
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 36459 (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
330 Brookline Ave.
Boston, MA 02215-5400
Phone: (617) 667-8926
Fax: (617) 667-5826
Street-level locationGet directions
Mailing address
330 Brookline Ave.
Boston, MA 02215-5400
Registry dates
- Enumerated
- 2006-08-28
- Last updated
- 2011-04-29
Frequently asked questions
- What is Mark Peppercornm.d.'s NPI number?
- Mark Peppercornm.d.'s National Provider Identifier (NPI) is 1407964554, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Peppercornm.d.'s specialty?
- Mark Peppercornm.d. is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Peppercornm.d. located?
- Mark Peppercornm.d.'s practice location on file with NPPES is 330 Brookline Ave., Boston, MA 02215-5400.
- What is Mark Peppercornm.d.'s phone number?
- The practice phone number listed in the NPPES registry for Mark Peppercornm.d. is (617) 667-8926.
- Is Mark Peppercornm.d.'s NPI active?
- Yes — Mark Peppercornm.d.'s NPI (1407964554) is active in the NPPES registry as of the last update on 2011-04-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.