Richard W. Ganzhorn, M.D.
Specialist · Sault Sainte Marie, MI
Richard W. Ganzhorn, M.D. is a specialist with a practice address in Sault Sainte Marie, Michigan, and NPI 1093777336, issued on Apr 3, 2006. Check the license (Michigan 4301045548, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Richard W. Ganzhorn
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- 4301045548 MI
Self-reported in NPPES; status is on the state search - Practice location
- 511 Osborn Blvd, Sault Sainte Marie, MI 49783
- Phone
- (906) 632-4740
- Enumerated
- Apr 3, 2006
- Record last updated
- Jan 29, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (906) 632-6505
- Entity
- Type 1 · individual
8 nearest specialist records → All 772 in Michigan → Look up another NPI →
Verify Richard W. Ganzhorn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 4301045548Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average specialist in 2024
34 Medicare Part D claims, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D.
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.
Richard W. Ganzhorn among 772 specialist records in Michigan
Richard W. Ganzhorn, M.D. is one of 772 specialist records with a practice address in Michigan. 15% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 66% newer
- In a Medicare fileYes · 15% of these records are
- In the CMS Doctors and Clinicians fileNo · 9% of these records are
- Record last updated2008 · 78% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in Michigan
There are 772 specialist records in Michigan.
All 772 in Michigan → Every provider in Sault Sainte Marie → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- William Cowan, M.D.Sault Sainte Marie, MI 497831316973365
- Vernon Horwitz, CRNASault Sainte Marie, MI 497831487606398
- Edward Smith, M.D.St Ignace, MI 497811174542781
- Judith Hoschner, MDPetoskey, MI 497701063495927
- Cameron AndersonIron Mountain, MI 498011700346756
- John Garrett, M.D.Iron Mountain, MI 498011104829449
- Richard Reed, OPA-CIron Mountain, MI 498011033191523
- Katherine CarlsonGrayling, MI 497381457898561
Common questions
What is Richard W. Ganzhorn, M.D.'s NPI number?
Richard W. Ganzhorn, M.D.'s National Provider Identifier (NPI) is 1093777336, issued on Apr 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Richard W. Ganzhorn, M.D. located?
The NPPES record lists a practice address at 511 Osborn Blvd, Sault Sainte Marie, MI, 49783. Phone: (906) 632-4740. Providers update this record themselves, so call before visiting.
How can I verify Richard W. Ganzhorn, M.D.'s license?
NPPES lists Michigan license number 4301045548, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does Richard W. Ganzhorn, M.D. prescribe under Medicare Part D?
In 2024, Richard W. Ganzhorn, M.D. had 34 Medicare Part D claims; the average among specialist prescribers was 1,380. 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.