Marcus Mather, LCSW
NPI 1073275749 · Clinical Social Worker · Phoenix, AZ
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marcus Mather, LCSW is a Clinical Social Worker provider in Phoenix, AZ (NPI 1073275749).
Provider details
- NPI number
- 1073275749
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- No
- License
- LCSW-19543 (AZ)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-10-11
- Last updated
- 2021-10-11
- Certified
- 2021-10-11
Frequently asked questions
- What is Marcus Mather's NPI number?
- Marcus Mather's National Provider Identifier (NPI) is 1073275749, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marcus Mather's specialty?
- Marcus Mather is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Marcus Mather located?
- Marcus Mather's practice location on file with NPPES is 635 E Baseline Rd, Phoenix, AZ 85042-6583.
- What is Marcus Mather's phone number?
- The practice phone number listed in the NPPES registry for Marcus Mather is (022) 437-2776.
- Does Marcus Mather accept Medicare?
- Marcus Mather is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marcus Mather's NPI active?
- Yes — Marcus Mather's NPI (1073275749) is active in the NPPES registry as of the last update on 2021-10-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.