Richard Singer, MD
NPI 1578648804 · Pediatrics Physician · Brentwood, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Richard Singer, MD is a Pediatrics Physician provider in Brentwood, CA (NPI 1578648804).
Provider details
- NPI number
- 1578648804
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G83571 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 4053 Lone Tree Way Ste 101Antioch, CA 94531-6210Phone: (925) 756-3400Fax: (925) 756-3405
Registry dates
- Enumerated
- 2006-10-26
- Last updated
- 2022-07-21
Frequently asked questions
- What is Richard Singer's NPI number?
- Richard Singer's National Provider Identifier (NPI) is 1578648804, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Richard Singer's specialty?
- Richard Singer is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Richard Singer located?
- Richard Singer's practice location on file with NPPES is 350 John Muir Pkwy Ste 105, Brentwood, CA 94513-5183.
- What is Richard Singer's phone number?
- The practice phone number listed in the NPPES registry for Richard Singer is (925) 513-2483.
- Does Richard Singer accept Medicare?
- Richard Singer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Richard Singer's NPI active?
- Yes — Richard Singer's NPI (1578648804) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.