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HOAG CLINIC
NPI 1942799523
Clinic/Center - Primary Care in Newport Beach, CA

Active since May 09, 2018CLIA Certified · 8 labs
510 SUPERIOR AVE, NEWPORT BEACH, CA 92663(949) 791-3001(949) 764-7246 Get Directions Write a Review

NPPES record last updated: May 28, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 28, 2026, Nov 14, 2022, May 9, 2018 (3 updates tracked since 2018).

About Hoag Clinic NPPES

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

HOAG CLINIC (NPI 1942799523) is a healthcare organization registered as a primary care in Newport Beach, California and active in the NPI registry since May 2018. The organization holds 8 active CLIA laboratory certificates and lists Andrew Guarni, Senior Vice President And Cfo, as its authorized official.

NPPES Registry Identity

NPI1942799523
Entity TypeOrganization
Primary Taxonomy261QP2300X
Legal Business NameHOAG CLINIC
Location Address510 SUPERIOR AVENewport Beach, CA 92663-3663
Mailing Address2995 Red Hill Ave Ste 100Costa Mesa, CA 92626-5984 · (949) 764-5700 · Fax (949) 764-7246
Phone(949) 791-3001
Fax(949) 764-7246
Organization SubpartYesParent: Hoag Memorial Hospital Presbyterian
Authorized OfficialAndrew GuarniSenior Vice President And Cfo · (949) 764-8444
Enumeration DateMay 9, 2018
Last NPPES UpdateMay 28, 20263 updates tracked since enumeration
NPPES CertifiedMay 28, 2026
✔ NPI 1942799523 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyClinic/Center · Primary CareAmbulatory Health Care Facilities
Taxonomy Code261QP2300X
Also ListedClinic/Center · Urgent CareTaxonomy 261QU0200X
510 SUPERIOR AVE, Newport Beach, CA 92663
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Hoag Clinic is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

526

Medicare enrollment records show 526 clinicians reassign Medicare billing to Hoag Clinic, which bills Medicare for the services they deliver. Of these, 53 practice at this address and 302 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 39

Nurse Practitioner145
Family Practice99
Obstetrics/Gynecology68
Internal Medicine46
Pediatric Medicine22
General Surgery21
Gastroenterology12
Certified Nurse Midwife (CNM)11
31 other specialties102

Nearest to this location (20)

See all 526
Charles Loeb, MD
Urology
NPI 1750878997
510 SUPERIOR AVE STE 200F
Newport Beach, CA 92663
(949) 999-8979
✔ PECOS✔ Accepts MedicareSame address
David Gehret, M.D.
Psychiatry
NPI 1497774947
510 SUPERIOR AVE STE 200A
Newport Beach, CA 92663
(949) 764-2790
✔ PECOS✔ Accepts MedicareSame address
Grace Sollender, MD
Urology
NPI 1295294270
510 SUPERIOR AVE STE F
Newport Beach, CA 92663
(949) 999-8979
✔ PECOS✔ Accepts MedicareSame address
Bruce Tammelin, M.D.
Pulmonary Disease
NPI 1942288709
510 SUPERIOR AVE STE 200A
Newport Beach, CA 92663
(949) 764-8074
✔ PECOS✔ Accepts MedicareSame address
Anne Tang-Ulanday, MD
Family Practice
NPI 1114556313
510 SUPERIOR AVE STE 200B200D
Newport Beach, CA 92663
(949) 791-3001
✔ PECOS✔ Accepts MedicareSame address
Antonio Alcantar, MD
Family Practice
NPI 1346828035
510 SUPERIOR AVE STE 200B200D
Newport Beach, CA 92663
(800) 400-4624
✔ PECOS✔ Accepts MedicareSame address
Alireza Amirpour
Endocrinology
NPI 1275997900
510 SUPERIOR AVE STE B
Newport Beach, CA 92663
(949) 791-3001
✔ PECOS✔ Accepts MedicareSame address
Monica Aszterbaum, MD
Obstetrics/Gynecology
NPI 1689737942
510 SUPERIOR AVENUE SUITE 200B
Newport Beach, CA 92663
(949) 559-1911
✔ PECOS✔ Accepts MedicareSame address
Kristine Brown, M.D.
Pediatric Medicine
NPI 1104820547
510 SUPERIOR AVE STE 200D
Newport Beach, CA 92663
(949) 791-3001
✔ PECOSSame address
Jonathan Dau, M.D.
Rheumatology
NPI 1467809608
510 SUPERIOR AVE STE 200D
Newport Beach, CA 92663
(949) 791-3001
✔ PECOS✔ Accepts MedicareSame address
Michael Demeure, MD
General Surgery
NPI 1629041579
510 SUPERIOR AVE STE 200G
Newport Beach, CA 92663
(949) 791-6767
✔ PECOS✔ Accepts MedicareSame address
Martin Fee, MD
Infectious Disease
NPI 1124008537
510 SUPERIOR AVE STE 200B
Newport Beach, CA 92663
(949) 791-3001
✔ PECOS✔ Accepts MedicareSame address
Natisha Jensen, MD
General Surgery
NPI 1821072828
510 SUPERIOR AVE STE 200G
Newport Beach, CA 92663
(949) 791-6767
✔ PECOS✔ Accepts MedicareSame address
Joseph Ling, MD
Internal Medicine
NPI 1558894139
510 SUPERIOR AVE STE 200D
Newport Beach, CA 92663
(949) 791-3001
✔ PECOS✔ Accepts MedicareSame address
Dorothy Marquez-Maneja, MD
Allergy/Immunology
NPI 1750473187
510 SUPERIOR AVE
Newport Beach, CA 92663
(800) 400-4624
✔ PECOS✔ Accepts MedicareSame address
Audra Wong
Nurse Practitioner
NPI 1528694957
510 SUPERIOR AVE
Newport Beach, CA 92663
(800) 400-4624
✔ PECOSSame address
Timothy Lucas, MD
Neurosurgery
NPI 1699880526
510 SUPERIOR AVE STE 290
Newport Beach, CA 92663
(949) 764-4500
✔ PECOS✔ Accepts MedicareSame address
Daniel Ng, MD
Colorectal Surgery (Proctology)
NPI 1265523351
510 SUPERIOR AVE STE 200G
Newport Beach, CA 92663
(949) 791-6767
✔ PECOS✔ Accepts MedicareSame address
Brian Lee, MD
Gastroenterology
NPI 1346583242
500 SUPERIOR AVE STE 100
Newport Beach, CA 92663
(949) 764-5793
✔ PECOS✔ Accepts MedicareSame address
Antonio Covarrubias, M.D.
Vascular Surgery
NPI 1679834907
500 SUPERIOR AVE STE 305
Newport Beach, CA 92663
(949) 764-8960
✔ PECOS✔ Accepts MedicareSame address
See all 526 clinicians

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

CLIA Laboratory Certificates CMS CLIA 8

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D2058794

Hoag Clinic · Newport Beach, CA
Active · expires Aug 31, 2028
CLIA Number05D2058794
Laboratory TypePhysician Office
Certificate Effective DateSeptember 1, 2026
Certificate Expiration DateAugust 31, 2028
Laboratory DirectorDorothy Marquez-Maneja
Laboratory Phone(949) 791-3065
Laboratory LocationHoag Clinic360 San Miguel Dr, Ste 105, Newport Beach, CA 92660
CLIA data matches this NPI record on: Name
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 05D2345907

Hoag Clinic · Newport Beach, CA
Active · expires Jun 18, 2028
CLIA Number05D2345907
Laboratory TypePhysician Office
Certificate Effective DateJune 19, 2026
Certificate Expiration DateJune 18, 2028
Laboratory DirectorPaik Brian
Laboratory Phone(949) 791-3065
Laboratory LocationHoag Clinic5190 Campus Dr, Newport Beach, CA 92660
CLIA data matches this NPI record on: Name
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 05D2238642

Hoag Clinic · Newport Beach, CA
Active · expires Oct 4, 2027
CLIA Number05D2238642
Laboratory TypePhysician Office
Certificate Effective DateOctober 5, 2025
Certificate Expiration DateOctober 4, 2027
Laboratory DirectorBrian Paik
Laboratory Phone(949) 791-3065
Laboratory LocationHoag Clinic4699 Jamboree Rd, Newport Beach, CA 92660
CLIA data matches this NPI record on: Name
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 05D2232273

Hoag Clinic · Newport Beach, CA
Active · expires Aug 10, 2027
CLIA Number05D2232273
Laboratory TypePhysician Office
Certificate Effective DateAugust 11, 2025
Certificate Expiration DateAugust 10, 2027
Laboratory DirectorDorothy Marquez-Maneja
Laboratory Phone(949) 791-3065
Laboratory LocationHoag Clinic360 San Miguel Dr Suite 300, Newport Beach, CA 92660
CLIA data matches this NPI record on: Name
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 05D2131639

Hoag Clinic · Costa Mesa, CA
Active · expires Jun 1, 2027
CLIA Number05D2131639
Laboratory TypePhysician Office
Certificate Effective DateJune 2, 2025
Certificate Expiration DateJune 1, 2027
Laboratory DirectorThao Phan
Laboratory Phone(949) 791-3065
Laboratory LocationHoag Clinic1170 Baker St, Ste H1, Costa Mesa, CA 92626
CLIA data matches this NPI record on: Name
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 05D2321419

Hoag Clinic · Newport Beach, CA
Active · expires Apr 2, 2027
CLIA Number05D2321419
Laboratory TypePhysician Office
Certificate Effective DateApril 3, 2025
Certificate Expiration DateApril 2, 2027
Laboratory DirectorBrooke Hargrove
Laboratory Phone(949) 791-3064
Laboratory LocationHoag Clinic1441 Avocado Ave Ste 205, Newport Beach, CA 92660
CLIA data matches this NPI record on: Name
This certificate is issued to a laboratory to perform only waived tests.

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 Hoag Clinic's NPI number?

The NPI number for Hoag Clinic is 1942799523. It was assigned to this organization in the NPPES registry on May 9, 2018.

Where is Hoag Clinic located?

Hoag Clinic is located at 510 Superior Ave, Newport Beach, CA 92663. The listed phone number is (949) 791-3001.

What is Hoag Clinic's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Primary Care, with taxonomy code 261QP2300X.

Is Hoag Clinic enrolled in Medicare?

Yes. Hoag Clinic is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Hoag Clinic?

According to the CMS Revalidation Reassignment List (October 2026 release), 526 clinicians in 39 Medicare specialties reassign their Medicare billing to Hoag Clinic. 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 (145), Family Practice (99) and Obstetrics/Gynecology (68). Of these, 53 practice at this address and 302 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Hoag Clinic hold CLIA laboratory certificates?

Yes. 8 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

When was this NPI record last updated?

The NPPES record for Hoag Clinic was last updated on May 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.