REGENTS OF THE UNIV OF CA
NPI 1750374872
Otolaryngology in Sacramento, CA

Q: What is Regents Of The Univ Of Ca's NPI number?

The NPI number for Regents Of The Univ Of Ca is 1750374872. It was assigned to this organization in the NPPES registry on August 24, 2005. The provider is also known as Regents/UCDPBG/OTOLARYNG.

Q: What is Regents Of The Univ Of Ca's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

Active since August 24, 2005

2521 STOCKTON BLVD, SACRAMENTO, CA 95817(916) 734-2801(916) 456-7509 Get Directions Write a Review

NPPES record last updated: May 16, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 16, 2025, Aug 23, 2023 (2 updates tracked since 2023).

On this page

About Regents Of The Univ Of Ca NPPES

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

REGENTS OF THE UNIV OF CA (NPI 1750374872) is a healthcare organization registered as an otolaryngology in Sacramento, California and active in the NPI registry since August 2005. The organization lists Tammy Trovatten, Vice President, Gov't Reimbursement, as its authorized official.

NPPES Registry Identity

NPI1750374872

Entity TypeOrganization

Primary Taxonomy207Y00000X

Legal Business NameREGENTS OF THE UNIV OF CA

Location Address2521 STOCKTON BLVDSacramento, CA 95817-2207

Mailing Address10850 White Rock RdRancho Cordova, CA 95670-6044 · (916) 734-9200 · Fax (916) 734-9661

Phone(916) 734-2801

Fax(916) 456-7509

Organization SubpartNo

Authorized OfficialTammy TrovattenVice President, Gov't Reimbursement · (916) 855-2315

Enumeration DateAugust 24, 2005

Last NPPES UpdateMay 16, 20252 updates tracked since enumeration

NPPES CertifiedMay 16, 2025

✔ NPI 1750374872 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians

Taxonomy Code207Y00000X

Definition

An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.

2521 STOCKTON BLVD, Sacramento, CA 95817

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Other Names 1

Other NameRegents/ucdpbg/otolaryng

Other Identifiers 9

OtherCN4844CA · Railroad Medicare Pin

OtherZZZP5701ZCA · Medicaid/chdp Pin

OtherCI4127CA · Railroad Medicare Pin

OtherCR0028CA · Railroad Medicare Pin

OtherDA4168CA · Railroad Medicare Pin

OtherDE7275CA · Railroad Medicare Pin

MedicaidGNP000070CA

MedicaidGR002104KCA

OtherCN4400CA · Railroad Medicare Pin

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Regents Of The Univ Of Ca is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2,556

Medicare enrollment records show 2,556 clinicians reassign Medicare billing to Regents Of The Univ Of Ca, which bills Medicare for the services they deliver. Of these, 50 practice at this address and 1,474 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 81

Nurse Practitioner346

Internal Medicine223

Anesthesiology188

Pediatric Medicine174

Diagnostic Radiology169

Emergency Medicine118

Certified Registered Nurse Anesthetist (CRNA)103

Orthopedic Surgery100

73 other specialties1,135

Nearest to this location (20)

See all 2,556

Marianne Abouyared, M.D.

Otolaryngology

NPI 1235472200

2521 STOCKTON BLVD STE 7200
Sacramento, CA 95817

(916) 734-8064

✔ PECOS✔ Accepts MedicareSame address

Sara Abu Nasser

Pediatric Medicine

NPI 1790149805

2521 STOCKTON BLVD
Sacramento, CA 95817

(916) 734-3112

✔ PECOSSame address

John Adams, M.D.

Adolescent Medicine

NPI 1588944201

2521 STOCKTON BLVD
Sacramento, CA 95817

(916) 734-5387

✔ PECOSSame address

Debbie Aizenberg, MD

Otolaryngology

NPI 1962486720

2521 STOCKTON BLVD STE 7200
Sacramento, CA 95817

(916) 734-2801

✔ PECOSSame address

Gage Alvernaz, DO

Pediatric Medicine

NPI 1275196107

2521 STOCKTON BLVD FL 3
Sacramento, CA 95817

(800) 823-4543

✔ PECOSSame address

Peter Belafsky, MD, PHD

Otolaryngology

NPI 1790768026

2521 STOCKTON BLVD SUITE 7200
Sacramento, CA 95817

(916) 734-8181

✔ PECOS✔ Accepts MedicareSame address

Arnaud Bewley, MD

Otolaryngology

NPI 1407054182

2521 STOCKTON BLVD SUITE 7200
Sacramento, CA 95817

(215) 593-0606

✔ PECOS✔ Accepts MedicareSame address

Aditi Bhuskute, MD

Otolaryngology

NPI 1629332796

2521 STOCKTON BLVD STE 7200
Sacramento, CA 95817

(916) 734-8064

✔ PECOS✔ Accepts MedicareSame address

Ambika Chidambaram, M.B.B.S

Pediatric Medicine

NPI 1831583483

2521 STOCKTON BLVD FL 3
Sacramento, CA 95817

(916) 734-3112

✔ PECOS✔ Accepts MedicareSame address

David Kawatu, MD

Pediatric Medicine

NPI 1407800683

2521 STOCKTON BLVD
Sacramento, CA 95817

(916) 734-1720

✔ PECOSSame address

William Love, D.D.S.

Dentist

NPI 1720367303

2521 STOCKTON BLVD STE 5200
Sacramento, CA 95817

(916) 734-1944

✔ PECOS✔ Accepts MedicareSame address

Armaiti Mody

Endocrinology

NPI 1841610839

2521 STOCKTON BLVD
Sacramento, CA 95817

(800) 823-4543

✔ PECOSSame address

Mackenzie Quinn, AUDIOLOGIST

Qualified Audiologist

NPI 1164159810

2521 STOCKTON BLVD
Sacramento, CA 95817

(916) 734-2801

✔ Accepts MedicareSame address

Payam Saadai, M.D.

Pediactric Surgery

NPI 1225298870

2521 STOCKTON BLVD
Sacramento, CA 95817

(916) 734-4148

✔ PECOSSame address

Jennifer Stein, FNP

Nurse Practitioner

NPI 1437871670

2521 STOCKTON BLVD # 7200
Sacramento, CA 95817

(916) 734-5400

✔ PECOS✔ Accepts MedicareSame address

Alison Sullivan, RN

Nurse Practitioner

NPI 1114646551

2521 STOCKTON BLVD STE 3
Sacramento, CA 95817

(916) 734-3112

✔ PECOS✔ Accepts MedicareSame address

Travis Tollefson, M.D.

Plastic and Reconstructive Surgery

NPI 1144205352

2521 STOCKTON BLVD SUITE 7200
Sacramento, CA 95817

(916) 734-8169

✔ PECOS✔ Accepts MedicareSame address

Sarah Woods, NP

Nurse Practitioner

NPI 1346716941

2521 STOCKTON BLVD STE 3200
Sacramento, CA 95817

(916) 734-3112

✔ PECOSSame address

Angel Herrera Guerra, MD

Pediatric Rheumatology and Pediatric Infectious Disease

NPI 1023237351

2521 STOCKTON BLVD
Sacramento, CA 95817

(916) 734-2105

✔ PECOSSame address

Beverly Garber, NP

Nurse Practitioner

NPI 1336427798

2521 STOCKTON BLVD STE 7200
Sacramento, CA 95817

(916) 734-5400

✔ PECOS✔ Accepts MedicareSame address

See all 2,556 clinicians

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

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 Regents Of The Univ Of Ca's NPI number?

The NPI number for Regents Of The Univ Of Ca is 1750374872. It was assigned to this organization in the NPPES registry on August 24, 2005. The provider is also known as Regents/UCDPBG/OTOLARYNG.

Where is Regents Of The Univ Of Ca located?

Regents Of The Univ Of Ca is located at 2521 Stockton Blvd, Sacramento, CA 95817. The listed phone number is (916) 734-2801.

What is Regents Of The Univ Of Ca's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

Is Regents Of The Univ Of Ca enrolled in Medicare?

Yes. Regents Of The Univ Of Ca is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Regents Of The Univ Of Ca?

According to the CMS Revalidation Reassignment List (October 2026 release), 2,556 clinicians in 81 Medicare specialties reassign their Medicare billing to Regents Of The Univ Of Ca. A 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 the clinician's services. The largest specialties are Nurse Practitioner (346), Internal Medicine (223) and Anesthesiology (188). Of these, 50 practice at this address and 1,474 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Regents Of The Univ Of Ca was last updated on May 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.