Registry data as of Aug 27, 2026

Cecilia Dinh, D.O.

Family Medicine Physician · Costa Mesa, CA

Cecilia Dinh, D.O. is a family medicine physician with a practice address in Costa Mesa, California, and NPI 1831500917, issued on May 12, 2014. Check the license (California 20A15687, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1831500917
Name
Cecilia Dinh
Credential
D.O.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
20A15687 CA
Self-reported in NPPES; status is on the state search
Practice location
1550 Superior Ave, Costa Mesa, CA 92627
Phone
(949) 270-2100
Enumerated
May 12, 2014
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1550 Superior Ave

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

  1. Rocio Bender, PHARMDPharmacist1336505312
  2. Diane Beyaoju, DDSGeneral Practice Dentistry1497963771
  3. Patricia Bruce, DR.Clinical Social Worker1346426921
  4. Christopher Burkett, P.A.Physician Assistant1629258447
  5. Nancy Dao, PHARMDPharmacist1548757271
  6. Jeremy Elkins, PA-CMedical Physician Assistant1003961749

Verify Cecilia Dinh in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A15687
    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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

72% fewer Medicare Part D claims than the average family medicine physician in 2024

986 Medicare Part D claims for 166 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D.

  1. Cecilia Dinh986
  2. Specialty average3,519

Most prescribed

  1. Atorvastatin Calcium91 claims
  2. Lisinopril62 claims
  3. Losartan Potassium41 claims
  4. Levothyroxine Sodium40 claims
  5. Metformin Hcl34 claims
  6. Famotidine31 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.

One hospital or facility affiliation

  1. Share Our Selves CorporationCosta Mesa, CA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

48 family medicine physician records list a Costa Mesa practice address

They are 48 of the 4,286 NPPES records with a Costa Mesa practice address, and 16,272 family medicine physician records in California.

Other family medicine physician records in California

  1. Omer Aba-Omer, MDSanta Monica, CA1649702093
  2. Michelle Ababa, MDWilmington, CA1710922513
  3. Anna Tzeitel Abalos, MDRoseville, CA1720200017
  4. Adan Abarca, MDAnaheim, CA1760553689
  5. Vanessa Abarca, DOVentura, CA1952040859
  6. Lorraine Abate, M.D.Sacramento, CA1104840008
  7. Robert Abatecola, MDCastro Valley, CA1669551719
  8. Romeo Abaya, M.D.Cottonwood, CA1598053506
  9. Effiem Abbah, MD, MPHSan Francisco, CA1821185133
  10. Khuzeman Abbasi, MDSanta Rosa, CA1841979952

Common questions

What is Cecilia Dinh, D.O.'s NPI number?

Cecilia Dinh, D.O.'s National Provider Identifier (NPI) is 1831500917, issued on May 12, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Cecilia Dinh, D.O. located?

The NPPES record lists a practice address at 1550 Superior Ave, Costa Mesa, CA, 92627. Phone: (949) 270-2100. Providers update this record themselves, so call before visiting.

How can I verify Cecilia Dinh, D.O.'s license?

NPPES lists California license number 20A15687, 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.

How much does Cecilia Dinh, D.O. prescribe under Medicare Part D?

In 2024, Cecilia Dinh, D.O. had 986 Medicare Part D claims for 166 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.