What is Cathy Nelson's NPI number?

Cathy Nelson's National Provider Identifier (NPI) is 1770423956, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Cathy Nelson's specialty?

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

Where is Cathy Nelson located?

Cathy Nelson's practice location on file with NPPES is 1627 Massachusetts Ave Se Apt 301, Washington, DC 20003-1722.

What is Cathy Nelson's phone number?

The practice phone number listed in the NPPES registry for Cathy Nelson is (202) 262-6466.

Is Cathy Nelson's NPI active?

Yes — Cathy Nelson's NPI (1770423956) is active in the NPPES registry as of the last update on 2026-03-30.

IndividualActive

Cathy Nelson

NPI 1770423956 · Social Worker · Washington, DC

Cathy Nelson is a Social Worker provider in Washington, DC (NPI 1770423956).

Provider details

NPI number: 1770423956
Entity type: Individual
Primary specialty: Social WorkerBehavioral Health & Social Service Providers
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

1627 Massachusetts Ave Se Apt 301

Washington, DC 20003-1722

Phone: (202) 262-6466

Street-level locationGet directions

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Mailing address