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

CM PROVIDERS MEDICAL GROUP, PC
NPI 1497444905
Internal Medicine in Newport Beach, CA

Active since May 02, 2023
1501 SUPERIOR AVE STE 205, NEWPORT BEACH, CA 92663(866) 433-9943(657) 226-2907 Get Directions Write a Review

NPPES record last updated: August 31, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 31, 2023, May 2, 2023 (2 updates tracked since 2023).

About Cm Providers Medical Group, Pc NPPES

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

CM PROVIDERS MEDICAL GROUP, PC (NPI 1497444905) is a healthcare organization registered as an internal medicine in Newport Beach, California and active in the NPI registry since May 2023. The organization maintains a secondary practice location in Fountain Valley and lists Tarun Marwaha, President, as its authorized official.

NPPES Registry Identity

NPI1497444905
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameCM PROVIDERS MEDICAL GROUP, PC
Location Address1501 SUPERIOR AVE STE 205Newport Beach, CA 92663-3640
Mailing Address625 The City Dr S Ste 310Orange, CA 92868-4949 · (866) 433-9943 · Fax (657) 226-2907
Phone(866) 433-9943
Fax(657) 226-2907
Organization SubpartNo
Authorized OfficialTarun MarwahaPresident · (866) 433-9943
Enumeration DateMay 2, 2023
Last NPPES UpdateAugust 31, 20232 updates tracked since enumeration
NPPES CertifiedAugust 2, 2023
✔ NPI 1497444905 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ 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.
Also ListedGeneral PracticeTaxonomy 208D00000X
1501 SUPERIOR AVE STE 205, Newport Beach, CA 92663
Open in Google Maps ↗

Secondary Practice Location 1

Location 111180 Warner Ave Ste 463Fountain Valley, CA 92708-7505 · Phone (866) 433-9943 · Fax (657) 226-2907

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)

Cm Providers Medical Group, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

8

Medicare enrollment records show 8 clinicians reassign Medicare billing to Cm Providers Medical Group, PC, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 4 within 10 miles. They are listed nearest first.

Clinicians, nearest first (8)

Eric Wechsler, M.D.
Nephrology
NPI 1659469526
1501 SUPERIOR AVE SUITE 205
Newport Beach, CA 92663
(949) 642-4974
✔ PECOS✔ Accepts MedicareSame address
Deborah Harrop
Nurse Practitioner
NPI 1649925421
11180 WARNER AVE STE 463
Fountain Valley, CA 92708
(714) 241-9200
✔ PECOS6.0 mi
Tarun Marwaha, M.D.
Nephrology
NPI 1407964976
11180 WARNER AVE STE 463
Fountain Valley, CA 92708
(714) 241-9200
✔ PECOS✔ Accepts Medicare6.0 mi
Heather Mcisaac, AGACNP-BC, APRN
Nurse Practitioner
NPI 1861022824
11180 WARNER AVE STE 463
Fountain Valley, CA 92708
(714) 241-9200
✔ PECOS6.0 mi
Anthony Chin Loy, M.D.
General Practice
NPI 1528389301
101 THE CITY DR S
Orange, CA 92868
(714) 456-7890
✔ PECOS✔ Accepts Medicare11 mi
Brian Park, M.D.
Internal Medicine
NPI 1548609241
11234 ANDERSON ST
Loma Linda, CA 92350
(818) 624-4936
✔ PECOS✔ Accepts Medicare48 mi
Joyce Atkins, RDN
Registered Dietitian or Nutrition Professional
NPI 1952810236
45196 HANZELL CT
Temecula, CA 92592
(909) 241-1379
51 mi
Erika Green, RD,LDN
Registered Dietitian or Nutrition Professional
NPI 1922156322
2536A PLANTATION CENTER DR
Matthews, NC 28105
(980) 230-9370
2,116 mi

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 Cm Providers Medical Group, PC's NPI number?

The NPI number for Cm Providers Medical Group, PC is 1497444905. It was assigned to this organization in the NPPES registry on May 2, 2023.

Where is Cm Providers Medical Group, PC located?

Cm Providers Medical Group, PC is located at 1501 Superior Ave Ste 205, Newport Beach, CA 92663. The listed phone number is (866) 433-9943.

What is Cm Providers Medical Group, PC's specialty?

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

Is Cm Providers Medical Group, PC enrolled in Medicare?

Yes. Cm Providers Medical Group, PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Cm Providers Medical Group, PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 8 clinicians reassign their Medicare billing to Cm Providers Medical Group, PC, in General Practice, Internal Medicine, Nephrology, Nurse Practitioner and Registered Dietitian or Nutrition Professional. 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, 1 practice at this address and 4 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 Cm Providers Medical Group, PC was last updated on August 31, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.