NPPES file of Aug 9, 2026

Katrina Diann Stinson, M.D.

Obstetrics & Gynecology Physician · Temescal Valley, CA

Katrina Diann Stinson, M.D. is an obstetrics & gynecology physician with a practice address in Temescal Valley, California, and NPI 1881957686, issued on Jun 18, 2012. Check the license (California C174429, 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
1881957686
Name
Katrina Diann Stinson
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License numbers
C174429 CA
4301117483 MI
27955 NE
306612-01 NY
Self-reported in NPPES; status is on the state search
Practice location
21634 Retreat Pkwy, Temescal Valley, CA 92883
Phone
(951) 493-8134
Enumerated
Jun 18, 2012
Record last updated
Mar 2, 2023
Fax
(951) 826-8134
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.
Download card Updates feed

Also registered at 21634 Retreat Pkwy

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

  1. Ronald Crater, M.D.Orthopaedic Surgery Physician1801172291
  2. Mario Flores, D.O.Pain Medicine (Anesthesiology) Physician1184088841
  3. Yu-Chen Lee, AUDAudiologist1427890763
  4. Mandira Patel, DOCardiovascular Disease Physician1114452810
  5. Derek Phan, MDCardiovascular Disease Physician1598184244

Verify Katrina Diann Stinson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C174429
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

32% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

113 Medicare Part D claims for 48 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.

  1. Katrina Stinson113
  2. Specialty average165

Most prescribed

  1. Estradiol40 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: $69.59

3 payments; by number, the most common kind was food and beverage; the largest payer was Hologic Sales and Service, LLC. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Katrina Stinson$69.59
  2. Specialty average$1,030.61

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

Katrina Diann Stinson among 5,088 obstetrics & gynecology physician records in California

Katrina Diann Stinson, M.D. 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 2012, is newer than 75% of them.

  • NPI issued2012 · 75% of these records are older, 22% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileNo · 53% of these records are
  • Record last updated2023 · 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. Gamage Nanayakkara, MDCorona, CA 928831497836464
  2. Kimberly Tustison, MDCorona, CA 928831063731297
  3. Jennifer Vong, DOCorona, CA 928831952669715
  4. Thomas Cachur, D.O.Corona, CA 928821225037047
  5. Choon Koo, MDCorena, CA 928821457345894
  6. Mohamedali Ismailjee, M.D.Eastvale, CA 928801952594715
  7. Vivian Lin, MDYorba Linda, CA 928861477750479
  8. Jacqueline Long, MDCorona, CA 928801568662518

Common questions

What is Katrina Diann Stinson, M.D.'s NPI number?

Katrina Diann Stinson, M.D.'s National Provider Identifier (NPI) is 1881957686, issued on Jun 18, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Katrina Diann Stinson, M.D. located?

The NPPES record lists a practice address at 21634 Retreat Pkwy, Temescal Valley, CA, 92883. Phone: (951) 493-8134. Providers update this record themselves, so call before visiting.

How can I verify Katrina Diann Stinson, M.D.'s license?

NPPES lists California license number C174429, 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 Katrina Diann Stinson, M.D. prescribe under Medicare Part D?

In 2024, Katrina Diann Stinson, M.D. had 113 Medicare Part D claims for 48 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.