NPPES file of Aug 9, 2026

Kathleen Cat-Linh Dinh, MD

Obstetrics & Gynecology Physician · Los Angeles, CA

Kathleen Cat-Linh Dinh, MD is an obstetrics & gynecology physician with a practice address in Los Angeles, California, and NPI 1902555295, issued on Mar 22, 2022. Check the license (California 20, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1902555295
Name
Kathleen Cat-Linh Dinh
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
20 CA
Self-reported in NPPES; status is on the state search
Practice location
4733 W Sunset Blvd FL 3, Los Angeles, CA 90027
Phone
(323) 783-4516
Enumerated
Mar 22, 2022
Record last updated
Jul 25, 2022
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 4733 W Sunset Blvd FL 3

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

  1. Andrew AbayanStudent in an Organized Health Care Education/Training Program1912589391
  2. Riad Abdulmoniem, MDStudent in an Organized Health Care Education/Training Program1215730841
  3. Dishan AbeydeeraStudent in an Organized Health Care Education/Training Program1265291413
  4. Alyssa AbramStudent in an Organized Health Care Education/Training Program1508626300
  5. Max Abramson, MDStudent in an Organized Health Care Education/Training Program1093579286
  6. Shalini Agrawal, DOStudent in an Organized Health Care Education/Training Program1316707888

Verify Kathleen Cat-Linh 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 20
    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

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70% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

50 Medicare Part D claims for 30 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. Kathleen Dinh50
  2. Specialty average165

Most prescribed

  1. Estradiol16 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.

Kathleen Cat-Linh Dinh among 5,088 obstetrics & gynecology physician records in California

Kathleen Cat-Linh Dinh, 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 2022, is newer than 98% of them.

  • NPI issued2022 · 98% of these records are older, under 1% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileNo · 53% of these records are
  • Record last updated2022 · 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. Jonathan Azizzadeh, M.D.Los Angeles, CA 900271215949367
  2. Robert Chu, MDLos Angeles, CA 900271629145560
  3. Edward Drenth, MDLos Angeles, CA 900271578630414
  4. Lorrie Dubow, MDLos Angeles, CA 900271720159759
  5. William Fong, MDLos Angeles, CA 900271568533511
  6. Gladys Hernandez, MDLos Angeles, CA 900271255408084
  7. Eduard Minas, MDLos Angeles, CA 900271710097670
  8. Brian Miyazaki, MDLos Angeles, CA 900271235206111

Common questions

What is Kathleen Cat-Linh Dinh, MD's NPI number?

Kathleen Cat-Linh Dinh, MD's National Provider Identifier (NPI) is 1902555295, issued on Mar 22, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Kathleen Cat-Linh Dinh, MD located?

The NPPES record lists a practice address at 4733 W Sunset Blvd FL 3, Los Angeles, CA, 90027. Phone: (323) 783-4516. Providers update this record themselves, so call before visiting.

How can I verify Kathleen Cat-Linh Dinh, MD's license?

NPPES lists California license number 20, 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 Kathleen Cat-Linh Dinh, MD prescribe under Medicare Part D?

In 2024, Kathleen Cat-Linh Dinh, MD had 50 Medicare Part D claims for 30 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.