NPPES file of Aug 9, 2026

Corinne S. Sugihara, M.D.

Specialist · Newport Beach, CA

Corinne S. Sugihara, M.D. is a specialist with a practice address in Newport Beach, California, and NPI 1801808092, issued on Aug 13, 2006. Check the license (California G66437, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1801808092
Name
Corinne S. Sugihara
Credential
M.D.
Primary taxonomy
Specialist 174400000X
License number
G66437 CA
Self-reported in NPPES; status is on the state search
Practice location
1441 Avocado Ave Ste 608, Newport Beach, CA 92660
Phone
(949) 644-7433
Enumerated
Aug 13, 2006
Record last updated
May 18, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(949) 644-4608
Medicare enrollment
Enrolled (PECOS I20081218000312); accepts Medicare assignment
Medical or professional school
George Washington University School Of Medicine, 1981
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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Also registered at 1441 Avocado Ave Ste 608

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mary Kotob, MDGynecology Physician1447301965

Verify Corinne S. Sugihara in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license G66437
    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
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75% fewer Medicare Part D claims than the average specialist in 2024

346 Medicare Part D claims for 96 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.

  1. Corinne Sugihara346
  2. Specialty average1,380

Most prescribed

  1. Estradiol53 claims
  2. Progesterone38 claims
  3. Premarin26 claims
  4. Valacyclovir20 claims
  5. Estradiol (Twice Weekly)18 claims
  6. Terconazole18 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $577.21

23 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 5,844 providers of this specialty with any payment received $4,760.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Corinne Sugihara$577.21
  2. Specialty average$4,760.79

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

53 specialist records list a practice address in Newport Beach

They are 53 of the 4,414 NPPES records with a practice address in Newport Beach, and 5,749 specialist records in California.

Other specialist records in California

  1. Fatemeh Abbasi, PTVan Nuys, CA1558496760
  2. Erlinda Abcede, M.D.Cudahy, CA1831228675
  3. Maher Abdallah, M.D.Palm Springs, CA1205988011
  4. Farinaz AbdiSan Marcos, CA1063153963
  5. Mai Abe, LESanta Monica, CA1609405158
  6. Hamid Abedi, HEARING AID SPECIALISan Diego, CA1659410744
  7. Jonas AbellaSan Francisco, CA1679760938
  8. Shreedhar Abhyankar, M.D.Indio, CA1861530669
  9. Elaine AbichRiverside, CA1780458927
  10. Mussarat Abidi, MDLadera Ranch, CA1053307769

Common questions

What is Corinne S. Sugihara, M.D.'s NPI number?

Corinne S. Sugihara, M.D.'s National Provider Identifier (NPI) is 1801808092, issued on Aug 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Corinne S. Sugihara, M.D. located?

The NPPES record lists a practice address at 1441 Avocado Ave Ste 608, Newport Beach, CA, 92660. Phone: (949) 644-7433. Providers update this record themselves, so call before visiting.

How can I verify Corinne S. Sugihara, M.D.'s license?

NPPES lists California license number G66437, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Corinne S. Sugihara, M.D. prescribe under Medicare Part D?

In 2024, Corinne S. Sugihara, M.D. had 346 Medicare Part D claims for 96 beneficiaries; the average among specialist prescribers was 1,380. Part D covers Medicare prescriptions only.

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.