What is Nathan Anderson's NPI number?

Nathan Anderson's National Provider Identifier (NPI) is 1265121370, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Nathan Anderson's specialty?

Nathan Anderson is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).

Where is Nathan Anderson located?

Nathan Anderson's practice location on file with NPPES is 55 Fruit St, Boston, MA 02114-2621.

What is Nathan Anderson's phone number?

The practice phone number listed in the NPPES registry for Nathan Anderson is (617) 643-0707.

Is Nathan Anderson's NPI active?

Yes — Nathan Anderson's NPI (1265121370) is active in the NPPES registry as of the last update on 2026-05-13.

IndividualActive

Nathan Anderson, MD

NPI 1265121370 · Pediatrics Physician · Boston, MA

Nathan Anderson, MD is a Pediatrics Physician provider in Boston, MA (NPI 1265121370).

Provider details

NPI number: 1265121370
Entity type: Individual
Primary specialty: Pediatrics PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: Yes
License: 1026801 (MA)

Specialties & taxonomies

Pediatrics PhysicianPrimary208000000XLicense 1026801 (MA)
Allopathic & Osteopathic Physicians

Profile Score

Established profile(58/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
3 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

Boston, MA 02114-2621

Phone: (617) 643-0707

Street-level locationGet directions

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Mailing address