What is Larry Nathanson's NPI number?

Larry Nathanson's National Provider Identifier (NPI) is 1811944556, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Larry Nathanson's specialty?

Larry Nathanson is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).

Where is Larry Nathanson located?

Larry Nathanson's practice location on file with NPPES is 3 Gray Gdns E, Cambridge, MA 02138-1401.

What is Larry Nathanson's phone number?

The practice phone number listed in the NPPES registry for Larry Nathanson is (617) 547-5022.

Is Larry Nathanson's NPI active?

Yes — Larry Nathanson's NPI (1811944556) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

Larry Nathanson, M.D.

NPI 1811944556 · Medical Oncology Physician · Cambridge, MA

Larry Nathanson, M.D. is a Medical Oncology Physician provider in Cambridge, MA (NPI 1811944556).

Provider details

NPI number: 1811944556
Entity type: Individual
Primary specialty: Medical Oncology PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
License: 26304 (MA)

Specialties & taxonomies

Medical Oncology PhysicianPrimary207RX0202XLicense 26304 (MA)
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

3 Gray Gdns E

Cambridge, MA 02138-1401

Phone: (617) 547-5022

Street-level locationGet directions

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Mailing address