What is Martha Katz's NPI number?

Martha Katz's National Provider Identifier (NPI) is 1942213517, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Martha Katz's specialty?

Martha Katz is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).

Where is Martha Katz located?

Martha Katz's practice location on file with NPPES is 75 Mount Auburn St, Cambridge, MA 02138-4960.

What is Martha Katz's phone number?

The practice phone number listed in the NPPES registry for Martha Katz is (617) 496-9506.

Is Martha Katz's NPI active?

Yes — Martha Katz's NPI (1942213517) is active in the NPPES registry as of the last update on 2007-11-06.

IndividualActive

Martha Katz, MD

NPI 1942213517 · Internal Medicine Physician · Cambridge, MA

Martha Katz, MD is a Internal Medicine Physician provider in Cambridge, MA (NPI 1942213517).

Provider details

NPI number: 1942213517
Entity type: Individual
Primary specialty: Internal Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Female
Sole proprietor: No
License: 58220 (MA)

Specialties & taxonomies

Internal Medicine PhysicianPrimary207R00000XLicense 58220 (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
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

75 Mount Auburn St

Cambridge, MA 02138-4960

Phone: (617) 496-9506

Street-level locationGet directions

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Mailing address