Gregory Ishimoto, M.D.
Student in an Organized Health Care Education/Training Program · Manitowoc, WI
Gregory Ishimoto, M.D. is a student in an organized health care education/training program with a practice address in Manitowoc, Wisconsin, and NPI 1164681896, issued on Jun 6, 2008. Check the license with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory Ishimoto
- Credential
- M.D.
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- Practice location
- 4100 Dewey St, Manitowoc, WI 54220
- Phone
- (805) 624-0615
- Enumerated
- Jun 6, 2008
- Entity
- Type 1 · individual
Also registered at 4100 Dewey St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Yang Chang, DNPFamily Medicine Physician1588481766
- Steven Chilinski, MDEmergency Medicine Physician1619116191
- Michal Chiu, MDPediatrics Physician1497739288
- Melissa Leist, ANP-CNurse Practitioner1891213401
- Lucas Mirera, DOFamily Medicine Physician1891439105
- Eric Peterson, MSN FNP-BCNurse Practitioner1790112050
Verify Gregory Ishimoto in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
2.1 times the Medicare Part D claims of the average student in an organized health care education/training program in 2024
1,044 Medicare Part D claims for 262 beneficiaries, against an average of 488 among the 106,422 providers of this specialty who prescribed in Part D. 71 claims were for opioids.
Most prescribed
- Ibuprofen106 claims
- Prednisone61 claims
- Gabapentin43 claims
- Lisinopril31 claims
- Tramadol Hcl31 claims
- Hydrocodone-Acetaminophen30 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.
2 hospital and facility affiliations
- American Specialty Physicians Group IncColusa, CA
- Orchard HospitalGridley, CA · Critical Access Hospitals
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Student in an Organized Health Care Education/Training Program providers in Wisconsin
There are 3,905 student in an organized health care education/training program records in Wisconsin.
Other student in an organized health care education/training program records in Wisconsin
- Margaret Aasen, MDMilwaukee, WI1710628615
- Maame Abokuma Abaidoo, MBCHBMilwaukee, WI1629997424
- Ashraf AbbasAppleton, WI1558723775
- Amrou Abdelkader, MDWest Allis, WI1316364698
- Buhisa AbdelkafiRacine, WI1881383586
- Amjad Abdelrahim, MDMilwaukee, WI1356029904
- Nasteho AbdiMilwaukee, WI1013875871
- Yusuf Abdullah, DOSun Prairie, WI1437788478
- Marwan Abdulsattar, MDJanesville, WI1265790695
- Elizabeth Abegglen, MDGreen Bay, WI1124821848
Common questions
What is Gregory Ishimoto, M.D.'s NPI number?
Gregory Ishimoto, M.D.'s National Provider Identifier (NPI) is 1164681896, issued on Jun 6, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Ishimoto, M.D. located?
The NPPES record lists a practice address at 4100 Dewey St, Manitowoc, WI, 54220. Phone: (805) 624-0615. Providers update this record themselves, so call before visiting.
How can I verify Gregory Ishimoto, M.D.'s license?
Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Gregory Ishimoto, M.D. prescribe under Medicare Part D?
In 2024, Gregory Ishimoto, M.D. had 1,044 Medicare Part D claims for 262 beneficiaries; the average among student in an organized health care education/training program prescribers was 488. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.