What is Matthew Isaacson's NPI number?

Matthew Isaacson's National Provider Identifier (NPI) is 1164966610, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Matthew Isaacson's specialty?

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

Where is Matthew Isaacson located?

Matthew Isaacson's practice location on file with NPPES is 650 E Indian School Rd, Phoenix, AZ 85012-1839.

What is Matthew Isaacson's phone number?

The practice phone number listed in the NPPES registry for Matthew Isaacson is (602) 620-4678.

Is Matthew Isaacson's NPI active?

Yes — Matthew Isaacson's NPI (1164966610) is active in the NPPES registry as of the last update on 2026-04-27.

IndividualActive

Matthew Isaacson, LCSW

NPI 1164966610 · Social Worker · Phoenix, AZ

Matthew Isaacson, LCSW is a Social Worker provider in Phoenix, AZ (NPI 1164966610).

Provider details

NPI number: 1164966610
Entity type: Individual
Primary specialty: Social WorkerBehavioral Health & Social Service Providers
Credential: LCSW
Sex: Male
Sole proprietor: Yes

Specialties & taxonomies

Social WorkerPrimary104100000X
Behavioral Health & Social Service Providers

Profile Score

Established profile(64/100 index)

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

Registry tenure38% of score
9 yrs in NPPES 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

650 E Indian School Rd

Phoenix, AZ 85012-1839

Phone: (602) 620-4678

Street-level locationGet directions

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Mailing address