What is Katherine Ertel's NPI number?

Katherine Ertel's National Provider Identifier (NPI) is 1750211454, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Katherine Ertel's specialty?

Katherine Ertel is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).

Where is Katherine Ertel located?

Katherine Ertel's practice location on file with NPPES is 1493 Cambridge St, Cambridge, MA 02139-1099.

What is Katherine Ertel's phone number?

The practice phone number listed in the NPPES registry for Katherine Ertel is (617) 665-1185.

Is Katherine Ertel's NPI active?

Yes — Katherine Ertel's NPI (1750211454) is active in the NPPES registry as of the last update on 2026-05-22.

IndividualActive

Katherine Ertel, M.ED.

NPI 1750211454 · Social Worker · Cambridge, MA

Katherine Ertel, M.ED. is a Social Worker provider in Cambridge, MA (NPI 1750211454).

Provider details

NPI number: 1750211454
Entity type: Individual
Primary specialty: Social WorkerBehavioral Health & Social Service Providers
Credential: M.ED.
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Social WorkerPrimary104100000X
Behavioral Health & Social Service Providers

Profile Score

Basic profile(46/100 index)

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

Registry tenure38% of score
Under 1 yr in registry
Profile completeness38% of score
83% 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

1493 Cambridge St

Cambridge, MA 02139-1099

Phone: (617) 665-1185

Street-level locationGet directions

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Mailing address