P Larsen, MD
NPI 1700842952 · Endocrinology, Diabetes & Metabolism Physician · Boston, MA
P Larsen, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Boston, MA (NPI 1700842952).
Provider details
- NPI number
- 1700842952
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 37485 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2006-04-25
- Last updated
- 2012-05-04
Frequently asked questions
- What is P Larsen's NPI number?
- P Larsen's National Provider Identifier (NPI) is 1700842952, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is P Larsen's specialty?
- P Larsen is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is P Larsen located?
- P Larsen's practice location on file with NPPES is 77 Avenue Louis Pasteur, Boston, MA 02115.
- What is P Larsen's phone number?
- The practice phone number listed in the NPPES registry for P Larsen is (617) 525-5150.
- Is P Larsen's NPI active?
- Yes — P Larsen's NPI (1700842952) is active in the NPPES registry as of the last update on 2012-05-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.