Robert Simmons
NPI 1689269631 · Clinical Social Worker · Hayward, CA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Simmons is a Clinical Social Worker provider in Hayward, CA (NPI 1689269631).
Provider details
- NPI number
- 1689269631
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 100803 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
- Case Manager/Care Coordinator171M00000X
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 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
- 2021-03-02
- Last updated
- 2024-09-10
- Certified
- 2024-09-10
Frequently asked questions
- What is Robert Simmons's NPI number?
- Robert Simmons's National Provider Identifier (NPI) is 1689269631, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Simmons's specialty?
- Robert Simmons is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Robert Simmons located?
- Robert Simmons's practice location on file with NPPES is 1065 a St, Hayward, CA 94541-4148.
- What is Robert Simmons's phone number?
- The practice phone number listed in the NPPES registry for Robert Simmons is (510) 641-7904.
- Does Robert Simmons accept Medicare?
- Robert Simmons is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Simmons's NPI active?
- Yes — Robert Simmons's NPI (1689269631) is active in the NPPES registry as of the last update on 2024-09-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.