What is Catherine Altonji's NPI number?

Catherine Altonji's National Provider Identifier (NPI) is 1023460201, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Catherine Altonji's specialty?

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

Where is Catherine Altonji located?

Catherine Altonji's practice location on file with NPPES is 111 Longwood Dr Sw, Huntsville, AL 35801-4522.

What is Catherine Altonji's phone number?

The practice phone number listed in the NPPES registry for Catherine Altonji is (256) 543-8161.

Is Catherine Altonji's NPI active?

Yes — Catherine Altonji's NPI (1023460201) is active in the NPPES registry as of the last update on 2018-11-19.

IndividualActive

Catherine Altonji, LGSW

NPI 1023460201 · Social Worker · Huntsville, AL

Catherine Altonji, LGSW is a Social Worker provider in Huntsville, AL (NPI 1023460201).

Provider details

NPI number: 1023460201
Entity type: Individual
Primary specialty: Social WorkerBehavioral Health & Social Service Providers
Credential: LGSW
Sex: Female
Sole proprietor: No
License: 3689G (AL)

Practice location

111 Longwood Dr Sw

Huntsville, AL 35801-4522

Phone: (256) 543-8161

Fax: (256) 534-7254

Street-level locationGet directions

More AL providers

Mailing address

111 Longwood Dr Sw

Huntsville, AL 35801-4522

Specialties & taxonomies

Social WorkerPrimary104100000XLicense 3689G (AL)
Behavioral Health & Social Service Providers

Profile Score

Established profile(72/100 index)

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

Registry tenure38% of score
10 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.

Enumerated: 2016-07-12
Last updated: 2018-11-19

Frequently asked questions

What is Catherine Altonji's NPI number?: Catherine Altonji's National Provider Identifier (NPI) is 1023460201, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Catherine Altonji's specialty?: Catherine Altonji is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
Where is Catherine Altonji located?: Catherine Altonji's practice location on file with NPPES is 111 Longwood Dr Sw, Huntsville, AL 35801-4522.
What is Catherine Altonji's phone number?: The practice phone number listed in the NPPES registry for Catherine Altonji is (256) 543-8161.
Is Catherine Altonji's NPI active?: Yes — Catherine Altonji's NPI (1023460201) is active in the NPPES registry as of the last update on 2018-11-19.

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

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions