1. Home
  2. Directory
  3. California
  4. Sacramento
  5. Pediatrics
  6. NPI Profile

DR. MARY BETH J STEINFELD M.D.
NPI 1003891334
Pediatrics - Developmental - Behavioral Pediatrics in Sacramento, CA

Active since December 09, 2005PECOS Enrolled
2825 50TH ST, UC DAVIS DEPARTMENT OF PEDIATRICS, SACRAMENTO, CA 95817(916) 703-0271(916) 703-0243 Get Directions Write a Review

NPPES record last updated: December 5, 2011. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Mary Beth J Steinfeld M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARY BETH J STEINFELD M.D. (NPI 1003891334) is an individual developmental - behavioral pediatrics provider in Sacramento, California, licensed in California (G059676) and active in the NPI registry since December 2005. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1003891334
Entity TypeIndividualFemale
Primary Taxonomy2080P0006X
Provider Legal NameDR. MARY BETH J STEINFELDCredential: M.D.
Location Address2825 50TH ST, UC DAVIS DEPARTMENT OF PEDIATRICSSacramento, CA 95817-2308
Mailing Address3346 Sierra Oaks DrSacramento, CA 95864-5729 · (916) 703-0271
Phone(916) 703-0271
Fax(916) 703-0243
Sole ProprietorNo
Enumeration DateDecember 9, 2005
Last NPPES UpdateDecember 5, 2011
✔ NPI 1003891334 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Developmental - Behavioral PediatricsAllopathic & Osteopathic Physicians
Taxonomy Code2080P0006X
License✔ Licensed in CA · G059676
Definition
A developmental-behavioral specialist is a pediatrician with special training and experience who aims to foster understanding and promotion of optimal development of children and families through research, education, clinical care and advocacy efforts. This physician assists in the prevention, diagnosis, and management of developmental difficulties and problematic behaviors in children and in the family dysfunctions that compromise children's development.
2825 50TH ST, Sacramento, CA 95817
Open in Google Maps ↗

Other Identifiers 2

Medicaid00G0596760CA
Medicare UPINE64337CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Mary Beth J Steinfeld M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Mary Beth Steinfeld reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Regents Of The Univ Of Ca
Same address
Clinical Child & Adolescent
2825 50TH ST
Sacramento, CA 95817
  • Reassigned Medicare billing, California enrollment
  • 2,570 clinicians in this Medicare group
NPI 1447423959 (916) 703-0315
County Of Sacramento
0.4 mi
Federally Qualified Health Center (FQHC)
4600 BROADWAY, SUITE 1100
Sacramento, CA 95820
  • Reassigned Medicare billing, California enrollment
  • 135 clinicians in this Medicare group
NPI 1366513061 (916) 874-9670

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. SUSAN C BACALMAN M.S.W.
Social Worker (Clinical)
2825 50TH ST
SACRAMENTO, CA 95817
Sacramento County (916) 703-0305
MS. OYINDAMOLA TOLULOPE ADEDIPE MS
Student in an Organized Health Care Education/Training Program
2825 50TH ST
SACRAMENTO, CA 95817
Sacramento County (916) 703-0300
HEATHER MARIE ELAHI
Student in an Organized Health Care Education/Training Program
2825 50TH ST
SACRAMENTO, CA 95817
Sacramento County (916) 703-0300
DR. LAUREN B. PLUMER M.D.
Pediatrics (Developmental - Behavioral Pediatrics)
2825 50TH ST
SACRAMENTO, CA 95817
Sacramento County (916) 703-0262
DR. MADELENA MICHELE MARTIN M.D.
Pediatrics
2825 50TH ST
SACRAMENTO, CA 95817
Sacramento County (916) 703-0300
MS. JO ANN SHEAR OTR/L
Occupational Therapist
2825 50TH ST
SACRAMENTO, CA 95817
Sacramento County (916) 703-0341
SARA MARIE KNAUFT
Pediatrics (Developmental - Behavioral Pediatrics)
2825 50TH ST
SACRAMENTO, CA 95817
Sacramento County (916) 703-0280
DR. LESLEY DEPREY PHD
Psychologist
2825 50TH ST, UC DAVIS MIND INSTITUTE
SACRAMENTO, CA 95817
Sacramento County (916) 703-0327

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mary Beth Steinfeld's NPI number?

The NPI number for Mary Beth Steinfeld is 1003891334. It was assigned to this individual provider in the NPPES registry on December 9, 2005.

Where is Mary Beth Steinfeld located?

Mary Beth Steinfeld practices at 2825 50th St Uc Davis Department Of Pediatrics, Sacramento, CA 95817. The listed phone number is (916) 703-0271.

What is Mary Beth Steinfeld's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Developmental - Behavioral Pediatrics, with taxonomy code 2080P0006X.

Is Mary Beth Steinfeld enrolled in Medicare?

Yes. Mary Beth Steinfeld is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Mary Beth Steinfeld's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Beth Steinfeld reassigns Medicare benefits to 2 organizations: Regents Of The Univ Of Ca (Sacramento, CA) and County Of Sacramento (Sacramento, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mary Beth Steinfeld's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Mary Beth Steinfeld was last updated on December 5, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.