Clayton T. Hinshaw, MD
Procedural Dermatology Physician · Simi Valley, CA
Clayton T. Hinshaw, MD is a procedural dermatology physician with a practice address in Simi Valley, California, and NPI 1326043456, issued on Jun 15, 2005. Check the license (California A055224, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Clayton T. Hinshaw
- Credential
- MD
- Primary taxonomy
- Procedural Dermatology Physician 207NS0135X
- License number
- A055224 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2925 Sycamore Dr Ste 204, Simi Valley, CA 93065
- Phone
- (805) 409-9199
- Enumerated
- Jun 15, 2005
- Record last updated
- Nov 12, 2025
- Fax
- (805) 416-0116
- Medicare enrollment
- Enrolled (PECOS I20100728000282); accepts Medicare assignment
- Medical or professional school
- George Washington University School Of Medicine, 1994
- Entity
- Type 1 · individual
8 nearest procedural dermatology physician records → All 120 in California → Look up another NPI →
Also registered at 2925 Sycamore Dr Ste 204
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Emelia Perez, M.D.Family Medicine Physician1710393350
Verify Clayton T. Hinshaw in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A055224Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1% more Medicare Part D claims than the average procedural dermatology physician in 2024
720 Medicare Part D claims for 287 beneficiaries, against an average of 713 among the 446 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Fluorouracil77 claims
- Mupirocin72 claims
- Cephalexin64 claims
- Clobetasol Propionate62 claims
- Triamcinolone Acetonide38 claims
- Ciclopirox35 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.
The MIPS final score for 2023 (Medicare payment program): 0 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $862.64
41 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. The 377 providers of this specialty with any payment received $10,439.11 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Clayton T. Hinshaw among 120 procedural dermatology physician records in California
Clayton T. Hinshaw, MD is one of 120 procedural dermatology physician records with a practice address in California. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 86% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated1994 · median 1993 among the 62 with a school on file
- Record last updated2025 · 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 207NS0135X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Procedural Dermatology Physician providers in California
There are 120 procedural dermatology physician records in California.
All 120 in California → Every provider in Simi Valley → Procedural Dermatology Physician nationwide →
The 8 procedural dermatology physician records with the nearest ZIP codes
- Bret Davis, M.D.Santa Barbara, CA 931101316959240
- Mark Logan, M.D.Santa Barbara, CA 931101902819964
- Robert Jordan, M.D.Ventura, CA 930031598844524
- Kristen Kelly, MDOrange, CA 928681265448609
- Edward Kramer, M.D.Anaheim, CA 928041548302243
- David Friedman, M.D.Anaheim, CA 928011629141866
- Jay Applebaum, M.D.Tustin, CA 927801740214618
- Christine Kilcline, M.D.San Luis Obispo, CA 934011093724791
Common questions
What is Clayton T. Hinshaw, MD's NPI number?
Clayton T. Hinshaw, MD's National Provider Identifier (NPI) is 1326043456, issued on Jun 15, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Clayton T. Hinshaw, MD located?
The NPPES record lists a practice address at 2925 Sycamore Dr Ste 204, Simi Valley, CA, 93065. Phone: (805) 409-9199. Providers update this record themselves, so call before visiting.
How can I verify Clayton T. Hinshaw, MD's license?
NPPES lists California license number A055224, 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 Clayton T. Hinshaw, MD prescribe under Medicare Part D?
In 2024, Clayton T. Hinshaw, MD had 720 Medicare Part D claims for 287 beneficiaries; the average among procedural dermatology physician prescribers was 713. Part D covers Medicare prescriptions only.
What is Clayton T. Hinshaw, MD's MIPS final score?
The 2023 MIPS final score is 0 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.