NPPES file of Aug 9, 2026

Deborah J. Grouse, MD

Obstetrics & Gynecology Physician · Newport Beach, CA

Deborah J. Grouse, MD is an obstetrics & gynecology physician with a practice address in Newport Beach, California, and NPI 1669408076, issued on Jun 25, 2006. Check the license (California G71740, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1669408076
Name
Deborah J. Grouse
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
G71740 CA
Self-reported in NPPES; status is on the state search
Practice location
361 Hospital Road, Newport Beach, CA 92663
Phone
(949) 650-7200
Enumerated
Jun 25, 2006
Record last updated
Sep 19, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(949) 650-2873
Medicare enrollment
Enrolled (PECOS I20120314000591); accepts Medicare assignment
Medical or professional school
University Of California, Geffen School Of Medicine, 1989
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Deborah J. Grouse in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G71740
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. County OF Santa ClaraSan Jose, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Deborah J. Grouse among 5,088 obstetrics & gynecology physician records in California

Deborah J. Grouse, MD is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 52% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated1989 · median 2004 among the 2,700 with a school on file
  • Record last updated2008 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in California

There are 5,088 obstetrics & gynecology physician records in California.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Richard Agnew, MD OB GYNNewport Beach, CA 926631629089206
  2. William Clayton, MDNewport Beach, CA 926631366525586
  3. Bernard Feldman, M.DNewport Beach, CA 926631558380048
  4. Rhonda Flora, M.D.Newport Beach, CA 926631720160583
  5. Chai-Lin Hsu, M.D.Newport Beach, CA 926631336191386
  6. Lisa Karamardian, M.D.Newport Beach, CA 926631922053644
  7. Patricia Keresztes-Korber, M.DNewport Beach, CA 926631780616805
  8. Jennifer Lee, M.DNewport Beach, CA 926631386676294

Common questions

What is Deborah J. Grouse, MD's NPI number?

Deborah J. Grouse, MD's National Provider Identifier (NPI) is 1669408076, issued on Jun 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Deborah J. Grouse, MD located?

The NPPES record lists a practice address at 361 Hospital Road, Newport Beach, CA, 92663. Phone: (949) 650-7200. Providers update this record themselves, so call before visiting.

How can I verify Deborah J. Grouse, MD's license?

NPPES lists California license number G71740, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.