Mary Beth Steinfeld, M.D.
NPI 1003891334 · Developmental - Behavioral Pediatrics Physician · Sacramento, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Beth Steinfeld, M.D. is a Developmental - Behavioral Pediatrics Physician provider in Sacramento, CA (NPI 1003891334).
Provider details
- NPI number
- 1003891334
- Entity type
- Individual
- Primary specialty
- Developmental - Behavioral Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- G059676 (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
20 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
- 2005-12-09
- Last updated
- 2011-12-05
Frequently asked questions
- What is Mary Beth Steinfeld's NPI number?
- Mary Beth Steinfeld's National Provider Identifier (NPI) is 1003891334, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Beth Steinfeld's specialty?
- Mary Beth Steinfeld is listed in the NPPES registry with a primary specialty of Developmental - Behavioral Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Beth Steinfeld located?
- Mary Beth Steinfeld's practice location on file with NPPES is 2825 50th St, Sacramento, CA 95817-2308.
- What is Mary Beth Steinfeld's phone number?
- The practice phone number listed in the NPPES registry for Mary Beth Steinfeld is (916) 703-0271.
- Does Mary Beth Steinfeld accept Medicare?
- Mary Beth Steinfeld is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Beth Steinfeld's NPI active?
- Yes — Mary Beth Steinfeld's NPI (1003891334) is active in the NPPES registry as of the last update on 2011-12-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.