Richard Mark Winkler, M.D.
Family Medicine Physician · Turlock, CA
Richard Mark Winkler, M.D. is a family medicine physician with a practice address in Turlock, California, and NPI 1780763631, issued on Nov 3, 2006. Check the license (California 00G601370, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Richard Mark Winkler
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 00G601370 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1000 Delbon Ave, Turlock, CA 95382
- Phone
- (209) 669-3400
- Enumerated
- Nov 3, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (209) 669-8495
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 1000 Delbon Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sukhwinder BajwaFamily Nurse Practitioner1063045011
- Mary Starn, NPFamily Nurse Practitioner1235468364
Verify Richard Mark Winkler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 00G601370Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.3 times the Medicare Part D claims of the average family medicine physician in 2024
15,214 Medicare Part D claims for 785 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 434 claims were for opioids.
Most prescribed
- Levothyroxine Sodium880 claims
- Atorvastatin Calcium581 claims
- Losartan Potassium554 claims
- Lisinopril531 claims
- Rosuvastatin Calcium493 claims
- Tamsulosin Hcl434 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: $47.92
2 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 55,478 providers of this specialty with any payment received $902.55 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.
Richard Mark Winkler among 17,133 family medicine physician records in California
Richard Mark Winkler, M.D. is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2007 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
43 family medicine physician records list a practice address in Turlock
They are 43 of the 1,343 NPPES records with a practice address in Turlock, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Turlock → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Rodney Avilla, DOTurlock, CA 953821790765428
- Mitchell Cohen, D.O.Turlock, CA 953821063429843
- Tiffany Gee, MDTurlock, CA 953821265499123
- Lenna Gorman, MDTurlock, CA 953821588636609
- Christopher HawleyTurlock, CA 953821073616041
- Jennifer Houston, MDTurlock, CA 953821043313018
- Ronald Johanson, M.D.Turlock, CA 953821134153299
- James Maclaren, M.D.Turlock, CA 953821497844575
Common questions
What is Richard Mark Winkler, M.D.'s NPI number?
Richard Mark Winkler, M.D.'s National Provider Identifier (NPI) is 1780763631, issued on Nov 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Richard Mark Winkler, M.D. located?
The NPPES record lists a practice address at 1000 Delbon Ave, Turlock, CA, 95382. Phone: (209) 669-3400. Providers update this record themselves, so call before visiting.
How can I verify Richard Mark Winkler, M.D.'s license?
NPPES lists California license number 00G601370, 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 Richard Mark Winkler, M.D. prescribe under Medicare Part D?
In 2024, Richard Mark Winkler, M.D. had 15,214 Medicare Part D claims for 785 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.