What is Katharine Mullin's NPI number?

Katharine Mullin's National Provider Identifier (NPI) is 1447128400, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Katharine Mullin's specialty?

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

Where is Katharine Mullin located?

Katharine Mullin's practice location on file with NPPES is 529 Courtlandt Ave, Bronx, NY 10451-5007.

What is Katharine Mullin's phone number?

The practice phone number listed in the NPPES registry for Katharine Mullin is (718) 993-7700.

Is Katharine Mullin's NPI active?

Yes — Katharine Mullin's NPI (1447128400) is active in the NPPES registry as of the last update on 2025-10-29.

IndividualActive

Katharine Mullin

NPI 1447128400 · Social Worker · Bronx, NY

Katharine Mullin is a Social Worker provider in Bronx, NY (NPI 1447128400).

Provider details

NPI number: 1447128400
Entity type: Individual
Primary specialty: Social WorkerBehavioral Health & Social Service Providers
Sole proprietor: No
License: 128135 (NY)

Specialties & taxonomies

Social WorkerPrimary104100000XLicense 128135 (NY)
Behavioral Health & Social Service Providers

Profile Score

Established profile(54/100 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
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

529 Courtlandt Ave

Bronx, NY 10451-5007

Phone: (718) 993-7700

Street-level locationGet directions

More NY providers

Mailing address

4534 47th St Apt 6cd

Woodside, NY 11377-5217

Enumerated: 2025-10-29
Last updated: 2025-10-29
Certified: 2025-10-29

Frequently asked questions

What is Katharine Mullin's NPI number?: Katharine Mullin's National Provider Identifier (NPI) is 1447128400, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Katharine Mullin's specialty?: Katharine Mullin is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
Where is Katharine Mullin located?: Katharine Mullin's practice location on file with NPPES is 529 Courtlandt Ave, Bronx, NY 10451-5007.
What is Katharine Mullin's phone number?: The practice phone number listed in the NPPES registry for Katharine Mullin is (718) 993-7700.
Is Katharine Mullin's NPI active?: Yes — Katharine Mullin's NPI (1447128400) is active in the NPPES registry as of the last update on 2025-10-29.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.