Gregory Flaxman
NPI 1154602241 · Clinical Social Worker · Duarte, CA
Enrolled with Medicare as Order and Referring Only - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Flaxman is a Clinical Social Worker provider in Duarte, CA (NPI 1154602241).
Provider details
- NPI number
- 1154602241
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 75533 (CA)
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
14 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
- 2011-09-01
- Last updated
- 2024-03-08
- Certified
- 2024-03-08
Frequently asked questions
- What is Gregory Flaxman's NPI number?
- Gregory Flaxman's National Provider Identifier (NPI) is 1154602241, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Flaxman's specialty?
- Gregory Flaxman is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Gregory Flaxman located?
- Gregory Flaxman's practice location on file with NPPES is 1500 Duarte Rd, Duarte, CA 91010-3012.
- What is Gregory Flaxman's phone number?
- The practice phone number listed in the NPPES registry for Gregory Flaxman is (626) 218-1537.
- Does Gregory Flaxman accept Medicare?
- Gregory Flaxman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Flaxman's NPI active?
- Yes — Gregory Flaxman's NPI (1154602241) is active in the NPPES registry as of the last update on 2024-03-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.