Jessica Mac, LCSW
NPI 1326561382 · Clinical Social Worker · Diamond Bar, CA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jessica Mac, LCSW is a Clinical Social Worker provider in Diamond Bar, CA (NPI 1326561382).
Provider details
- NPI number
- 1326561382
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 119283 (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
8 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
- 2017-07-21
- Last updated
- 2025-04-23
- Certified
- 2025-04-23
Frequently asked questions
- What is Jessica Mac's NPI number?
- Jessica Mac's National Provider Identifier (NPI) is 1326561382, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jessica Mac's specialty?
- Jessica Mac is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Jessica Mac located?
- Jessica Mac's practice location on file with NPPES is 253 S Diamond Bar Blvd, Diamond Bar, CA 91765-1606.
- What is Jessica Mac's phone number?
- The practice phone number listed in the NPPES registry for Jessica Mac is (909) 860-1144.
- Does Jessica Mac accept Medicare?
- Jessica Mac is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jessica Mac's NPI active?
- Yes — Jessica Mac's NPI (1326561382) is active in the NPPES registry as of the last update on 2025-04-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.