1. Home
  2. Directory
  3. California
  4. Huntington Beach
  5. Internal Medicine
  6. NPI Profile

NEWPORT HUNTINGTON MEDICAL GROUP
NPI 1063426997
Internal Medicine in Huntington Beach, CA

Active since July 28, 2006CLIA 05D0703820 · Waiver
19582 BEACH BLVD STE 321, HUNTINGTON BEACH, CA 92648(714) 378-2401 Get Directions Write a Review

NPPES record last updated: November 4, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Newport Huntington Medical Group NPPES

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

NEWPORT HUNTINGTON MEDICAL GROUP (NPI 1063426997) is a healthcare organization registered as an internal medicine in Huntington Beach, California and active in the NPI registry since July 2006. The organization holds a CLIA Waiver certificate valid through December 18, 2027 and lists Christine Thai, Physician Partner, as its authorized official.

NPPES Registry Identity

NPI1063426997
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameNEWPORT HUNTINGTON MEDICAL GROUP
Location Address19582 BEACH BLVD STE 321Huntington Beach, CA 92648-5950
Mailing Address19582 Beach Blvd Ste 321Huntington Beach, CA 92648-5950 · (714) 378-2401
Phone(714) 378-2401
Organization SubpartNo
Authorized OfficialChristine ThaiPhysician Partner · (714) 378-2401
Enumeration DateJuly 28, 2006
Last NPPES UpdateNovember 4, 2025
NPPES CertifiedNovember 4, 2025
✔ NPI 1063426997 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
19582 BEACH BLVD STE 321, Huntington Beach, CA 92648
Open in Google Maps ↗

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)

Newport Huntington Medical Group is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

5

Medicare enrollment records show 5 clinicians reassign Medicare billing to Newport Huntington Medical Group, which bills Medicare for the services they deliver. Of these, 5 practice at this address. They are listed nearest first.

Clinicians, nearest first (5)

Ratul Chatterjee, M.D.
Internal Medicine
NPI 1770597387
19582 BEACH BLVD STE 102
Huntington Beach, CA 92648
(714) 378-2403
✔ PECOS✔ Accepts MedicareSame address
Phuong Anh Doan, M.D.
Internal Medicine
NPI 1629031968
19582 BEACH BLVD 102
Huntington Beach, CA 92648
(714) 963-1030
✔ PECOS✔ Accepts MedicareSame address
Azadeh Majlessi, M.D.
Rheumatology
NPI 1871533679
19582 BEACH BLVD # 302
Huntington Beach, CA 92648
(714) 378-2440
✔ PECOS✔ Accepts MedicareSame address
Marlowe Ross, M.D.
Pulmonary Disease
NPI 1245244771
19582 BEACH BLVD STE 314
Huntington Beach, CA 92648
(714) 378-2421
✔ PECOS✔ Accepts MedicareSame address
Christine Thai, M.D.
Rheumatology
NPI 1043224587
19582 BEACH BLVD STE 320
Huntington Beach, CA 92648
(714) 378-2440
✔ PECOS✔ Accepts MedicareSame address

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

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 05D0703820

Newport-Huntington Medical Group Laboratory · Huntington Beach, CA
Active · expires Dec 18, 2027
CLIA Number05D0703820
Laboratory TypePhysician Office
Certificate Effective DateDecember 19, 2025
Certificate Expiration DateDecember 18, 2027
Laboratory DirectorChristine Thai
Laboratory Phone(714) 378-2401
Laboratory LocationNewport-Huntington Medical Group Laboratory19582 Beach Blvd Ste 320, Huntington Beach, CA 92648
CLIA data matches this NPI record on: Name Phone
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 Newport Huntington Medical Group's NPI number?

The NPI number for Newport Huntington Medical Group is 1063426997. It was assigned to this organization in the NPPES registry on July 28, 2006.

Where is Newport Huntington Medical Group located?

Newport Huntington Medical Group is located at 19582 Beach Blvd Ste 321, Huntington Beach, CA 92648. The listed phone number is (714) 378-2401.

What is Newport Huntington Medical Group's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Newport Huntington Medical Group enrolled in Medicare?

Yes. Newport Huntington Medical Group is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Newport Huntington Medical Group?

According to the CMS Revalidation Reassignment List (October 2026 release), 5 clinicians reassign their Medicare billing to Newport Huntington Medical Group, in Internal Medicine, Pulmonary Disease and Rheumatology. 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. Of these, 5 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Newport Huntington Medical Group hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D0703820) is associated with this NPI, valid through December 18, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Newport Huntington Medical Group was last updated on November 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.