Cynthia L. Clark, MD
Family Medicine Physician · Winner, SD
Cynthia L. Clark, MD is a family medicine physician with a practice address in Winner, South Dakota, and NPI 1346206430, issued on Apr 26, 2006. Check the license (South Dakota 1151, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; the Medicare figures below come from public CMS files.
- Name
- Cynthia L. Clark
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 1151 SD
5797 ND
Self-reported in NPPES; status is on the state search - Practice location
- 825 E 8TH St Ste 100, Winner, SD 57580
- Phone
- (605) 842-2626
- Enumerated
- Apr 26, 2006
- Record last updated
- Mar 19, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (605) 842-3557
- Medicaid IDs
- 711298000 MN
14513 ND - Entity
- Type 1 · individual
8 nearest family medicine physician records → All 601 in South Dakota → Look up another NPI →
Verify Cynthia L. Clark in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Dakota Board of Medical and Osteopathic Examiners
Search for license 1151Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
31% fewer Medicare Part D claims than the average family medicine physician in 2024
2,444 Medicare Part D claims for 134 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 108 claims were for opioids.
Most prescribed
- Levothyroxine Sodium159 claims
- Losartan Potassium138 claims
- Atorvastatin Calcium117 claims
- Omeprazole92 claims
- Amlodipine Besylate85 claims
- Gabapentin78 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: $147.51
9 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. 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.
Cynthia L. Clark among 601 family medicine physician records in South Dakota
Cynthia L. Clark, MD is one of 601 family medicine physician records with a practice address in South Dakota. 79% 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 12% of them.
- NPI issued2006 · 12% of these records are older, 47% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 65% of these records are
- Record last updated2013 · 52% 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 South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 family medicine physician records list a practice address in Winner
They are 4 of the 79 NPPES records with a practice address in Winner, and 601 family medicine physician records in South Dakota.
All 601 in South Dakota → Every provider in Winner → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Anora Henderson, MDWinner, SD 575801063593762
- Teresa Marts, M.D.Winner, SD 575801780764167
- Jeffrey Pinter, MDWinner, SD 575801417947623
- Raquel Jaatoul, MDRosebud, SD 575701619056959
- Shannelle Rico, MDRosebud, SD 575701023078623
- Terry Henrie, PA-CPhilip, SD 575671689644098
- David Holman, M.D.Philip, SD 575671629048954
- Robin Peterson-Lund, CNPPhilip, SD 575671962472704
Common questions
What is Cynthia L. Clark, MD's NPI number?
Cynthia L. Clark, MD's National Provider Identifier (NPI) is 1346206430, issued on Apr 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Cynthia L. Clark, MD located?
The NPPES record lists a practice address at 825 E 8TH St Ste 100, Winner, SD, 57580. Phone: (605) 842-2626. Providers update this record themselves, so call before visiting.
How can I verify Cynthia L. Clark, MD's license?
NPPES lists South Dakota license number 1151, as entered by the provider. Search the South Dakota Board of Medical and Osteopathic Examiners at https://www.sdbmoe.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Cynthia L. Clark, MD prescribe under Medicare Part D?
In 2024, Cynthia L. Clark, MD had 2,444 Medicare Part D claims for 134 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.