Charles A. Shepard, MD
Internal Medicine Physician · Winona, MN
Charles A. Shepard, MD is an internal medicine physician with a practice address in Winona, Minnesota, and NPI 1477563179, issued on Aug 8, 2006. Check the license (Minnesota 21197, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Charles A. Shepard
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 21197 MN
Self-reported in NPPES; status is on the state search - Practice location
- 859 Mankato Ave, Winona, MN 55987
- Phone
- (507) 454-3680
- Enumerated
- Aug 8, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (507) 457-7672
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,632 in Minnesota → Look up another NPI →
Also registered at 859 Mankato Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Heidi Ferris, RD,CDE,Registered Dietitian1245764604
- Mary Funk, NPNurse Practitioner1780645994
- Traci Morken, CNPFamily Nurse Practitioner1982614558
- Anne Olsen Wagner, CNPFamily Nurse Practitioner1437183191
- Jessica PetersonCertified Registered Nurse Anesthetist1912618000
- James Zaborowski, R.PH.Pharmacist1770635641
Verify Charles A. Shepard in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 21197Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% more Medicare Part D claims than the average internal medicine physician in 2024
3,574 Medicare Part D claims for 214 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 48 claims were for opioids.
Most prescribed
- Atorvastatin Calcium328 claims
- Lisinopril165 claims
- Metoprolol Succinate162 claims
- Amlodipine Besylate153 claims
- Losartan Potassium129 claims
- Hydrochlorothiazide122 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.
Charles A. Shepard among 2,632 internal medicine physician records in Minnesota
Charles A. Shepard, MD is one of 2,632 internal medicine physician records with a practice address in Minnesota. 75% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 58% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 65% of these records are
- Record last updated2007 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
11 internal medicine physician records list a practice address in Winona
They are 11 of the 876 NPPES records with a practice address in Winona, and 2,632 internal medicine physician records in Minnesota.
All 2,632 in Minnesota → Every provider in Winona → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Horace Andersen, MN 18091Winona, MN 559871659510659
- Andrew Edin, MDWinona, MN 559871053428508
- Arnold Fenske, MDWinona, MN 559871831109495
- Richard Ferris, MDWinona, MN 559871245347780
- Katrina Hammel, M.D.Winona, MN 559871780894527
- Joseph Kaiya, MDWinona, MN 559871134550544
- John Mulrooney, MDWinona, MN 559871275543829
- Robert Neilson, M.D.Winona, MN 559871952390338
Common questions
What is Charles A. Shepard, MD's NPI number?
Charles A. Shepard, MD's National Provider Identifier (NPI) is 1477563179, issued on Aug 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Charles A. Shepard, MD located?
The NPPES record lists a practice address at 859 Mankato Ave, Winona, MN, 55987. Phone: (507) 454-3680. Providers update this record themselves, so call before visiting.
How can I verify Charles A. Shepard, MD's license?
NPPES lists Minnesota license number 21197, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Charles A. Shepard, MD prescribe under Medicare Part D?
In 2024, Charles A. Shepard, MD had 3,574 Medicare Part D claims for 214 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.