DR. STEPHANIE N MATEEV M.D.
NPI 1144273467
Pediatrics - Pediatric Critical Care Medicine in Sacramento, CA

Q: What is Stephanie Mateev's NPI number?

The NPI number for Stephanie Mateev is 1144273467. It was assigned to this individual provider in the NPPES registry on May 18, 2006.

Q: What is Stephanie Mateev's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Critical Care Medicine, with taxonomy code 2080P0203X.

Q: When was this NPI record last updated?

The NPPES record for Stephanie Mateev was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.

Active since May 18, 2006PECOS Enrolled

2315 STOCKTON BLVD, SACRAMENTO, CA 95817(916) 734-2131(916) 456-2235 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Dr. Stephanie N Mateev M.d. NPPES

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

DR. STEPHANIE N MATEEV M.D. (NPI 1144273467) is an individual pediatric critical care medicine provider in Sacramento, California, licensed in California (A87827) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1144273467

Entity TypeIndividualFemale

Primary Taxonomy2080P0203X

Provider Legal NameDR. STEPHANIE N MATEEVCredential: M.D.

Location Address2315 STOCKTON BLVDSacramento, CA 95817-2201

Mailing Address2516 Stockton BlvdSacramento, CA 95817-2208 · (916) 734-2131 · Fax (916) 456-2235

Phone(916) 734-2131

Fax(916) 456-2235

Sole ProprietorNo

Enumeration DateMay 18, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1144273467 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric Critical Care MedicineAllopathic & Osteopathic Physicians

Taxonomy Code2080P0203X

License✔ Licensed in CA · A87827

Definition

A pediatrician expert in advanced life support for children from the term or near-term neonate to the adolescent. This competence extends to the critical care management of life-threatening organ system failure from any cause in both medical and surgical patients and to the support of vital physiological functions. This specialist may have administrative responsibilities for intensive care units and also facilitates patient care among other specialists.

2315 STOCKTON BLVD, Sacramento, CA 95817

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Stephanie N Mateev 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

Medicare enrollment records show Stephanie Mateev 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 University Of Ca

Same address

Emergency Medicine

2315 STOCKTON BLVD
Sacramento, CA 95817

Reassigned Medicare billing, California enrollment
Medicare enrollment name: Regents Of The Univ Of Ca
2,570 clinicians in this Medicare group

NPI 1063405074 (916) 734-2363

Shriners Hospitals For Children

0.1 mi

Anesthesiology

2425 STOCKTON BLVD
Sacramento, CA 95817

Reassigned Medicare billing, California enrollment
105 clinicians in this Medicare group

NPI 1114415361 (916) 453-2000

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.

KATHLEEN STUCKER

Social Worker (Clinical)

2315 STOCKTON BLVD
SACRAMENTO, CA 95817

Sacramento County (916) 734-5628

MARIA ISABEL AGUILAR

Registered Nurse

2315 STOCKTON BLVD
SACRAMENTO, CA 95817

Sacramento County (916) 734-8730

NATHAN JACOB VANDEN BERGE

Emergency Medicine

2315 STOCKTON BLVD
SACRAMENTO, CA 95817

Sacramento County (916) 734-8570

PETER SANTIAGO C.O., C.PED., FAAOP

Specialist

2315 STOCKTON BLVD
SACRAMENTO, CA 95817

Sacramento County (916) 734-7045

SHIELA LEIGH SAMSON ANGULO DO

Student in an Organized Health Care Education/Training Program

2315 STOCKTON BLVD
SACRAMENTO, CA 95817

Sacramento County (916) 734-5974

MS. KATHLEEN DOLORES VAN LEEUWEN MD

Surgery (Pediatric Surgery)

2315 STOCKTON BLVD
SACRAMENTO, CA 95817

Sacramento County (916) 734-3229

STEPHEN MULFORD

Physical Therapy Assistant

2315 STOCKTON BLVD, ROOM 0512
SACRAMENTO, CA 95817

Sacramento County (916) 734-7248

MR. MARK YAMADA

Occupational Therapist

2315 STOCKTON BLVD
SACRAMENTO, CA 95817

Sacramento County (916) 734-7248

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 Stephanie Mateev's NPI number?

The NPI number for Stephanie Mateev is 1144273467. It was assigned to this individual provider in the NPPES registry on May 18, 2006.

Where is Stephanie Mateev located?

Stephanie Mateev practices at 2315 Stockton Blvd, Sacramento, CA 95817. The listed phone number is (916) 734-2131.

What is Stephanie Mateev's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Critical Care Medicine, with taxonomy code 2080P0203X.

Is Stephanie Mateev enrolled in Medicare?

Yes. Stephanie Mateev is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Stephanie Mateev's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stephanie Mateev reassigns Medicare benefits to 2 organizations: Regents Of The University Of Ca (Sacramento, CA) and Shriners Hospitals For Children (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 Stephanie Mateev'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 Stephanie Mateev was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.