IndividualActive
Peter Kelsey, MD
NPI 1255313383 · Gastroenterology Physician · Boston, MA
Peter Kelsey, MD is a Gastroenterology Physician provider in Boston, MA (NPI 1255313383).
Provider details
- NPI number
- 1255313383
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 51447 (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
55 Fruit St
Blk 4
Boston, MA 02114-2621
Phone: (617) 724-6044
Fax: (617) 724-5997
Street-level locationGet directions
Mailing address
Po Box 9142
Charlestown, MA 02129-9142
Registry dates
- Enumerated
- 2005-11-15
- Last updated
- 2013-10-02
Frequently asked questions
- What is Peter Kelsey's NPI number?
- Peter Kelsey's National Provider Identifier (NPI) is 1255313383, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter Kelsey's specialty?
- Peter Kelsey is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Peter Kelsey located?
- Peter Kelsey's practice location on file with NPPES is 55 Fruit St, Boston, MA 02114-2621.
- What is Peter Kelsey's phone number?
- The practice phone number listed in the NPPES registry for Peter Kelsey is (617) 724-6044.
- Is Peter Kelsey's NPI active?
- Yes — Peter Kelsey's NPI (1255313383) is active in the NPPES registry as of the last update on 2013-10-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.