What is William Malwitz's NPI number?

William Malwitz's National Provider Identifier (NPI) is 1770292245, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is William Malwitz's specialty?

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

Where is William Malwitz located?

William Malwitz's practice location on file with NPPES is 444 Center St, Manchester, CT 06040-3926.

What is William Malwitz's phone number?

The practice phone number listed in the NPPES registry for William Malwitz is (860) 646-3888.

Is William Malwitz's NPI active?

Yes — William Malwitz's NPI (1770292245) is active in the NPPES registry as of the last update on 2025-05-12.

IndividualActive

William Malwitz

NPI 1770292245 · Social Worker · Manchester, CT

William Malwitz is a Social Worker provider in Manchester, CT (NPI 1770292245).

Provider details

NPI number: 1770292245
Entity type: Individual
Primary specialty: Social WorkerBehavioral Health & Social Service Providers
Sex: Male
Sole proprietor: No

Specialties & taxonomies

Social WorkerPrimary104100000X
Behavioral Health & Social Service Providers
Mental Health Counselor101YM0800X
Behavioral Health & Social Service Providers

Profile Score

Established profile(62/100 index)

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

Registry tenure38% of score
3 yrs in NPPES registry
Profile completeness38% of score
83% of core fields populated
Practice footprint23% of score
3 documented practice locations

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

444 Center St

Manchester, CT 06040-3926

Phone: (860) 646-3888

Fax: (860) 731-5536

Street-level locationGet directions

More CT providers

Mailing address

2 Waterside Xing Ste 401

Windsor, CT 06095-1588

Additional practice locations (2)

71 Westcott Rd
Danielson, CT 06239-2929
Phone: (860) 731-5522
Fax: (890) 731-5536
1310 Main St
Willimantic, CT 06226-1910
Phone: (860) 731-5522
Fax: (890) 731-5536

Enumerated: 2022-11-23
Last updated: 2025-05-12
Certified: 2025-05-12

Frequently asked questions

What is William Malwitz's NPI number?: William Malwitz's National Provider Identifier (NPI) is 1770292245, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is William Malwitz's specialty?: William Malwitz is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
Where is William Malwitz located?: William Malwitz's practice location on file with NPPES is 444 Center St, Manchester, CT 06040-3926.
What is William Malwitz's phone number?: The practice phone number listed in the NPPES registry for William Malwitz is (860) 646-3888.
Is William Malwitz's NPI active?: Yes — William Malwitz's NPI (1770292245) is active in the NPPES registry as of the last update on 2025-05-12.

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