Naomi Duffy, ACSW
NPI 1538821525 · Clinical Social Worker · Long Beach, CA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Naomi Duffy, ACSW is a Clinical Social Worker provider in Long Beach, CA (NPI 1538821525).
Provider details
- NPI number
- 1538821525
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- ACSW
- Sex
- Female
- Sole proprietor
- No
- License
- 96710 (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
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
- 2021-10-07
- Last updated
- 2021-10-07
- Certified
- 2021-10-07
Frequently asked questions
- What is Naomi Duffy's NPI number?
- Naomi Duffy's National Provider Identifier (NPI) is 1538821525, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Naomi Duffy's specialty?
- Naomi Duffy is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Naomi Duffy located?
- Naomi Duffy's practice location on file with NPPES is 3939 Atlantic Ave Ste 102, Long Beach, CA 90807-3535.
- What is Naomi Duffy's phone number?
- The practice phone number listed in the NPPES registry for Naomi Duffy is (562) 473-0827.
- Does Naomi Duffy accept Medicare?
- Naomi Duffy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Naomi Duffy's NPI active?
- Yes — Naomi Duffy's NPI (1538821525) is active in the NPPES registry as of the last update on 2021-10-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.