George Andrew Cholack, MD, MSC
Hematology & Oncology Physician · Rochester, MN
George Andrew Cholack, MD, MSC is a hematology & oncology physician with a practice address in Rochester, Minnesota, and NPI 1669122214, issued on Mar 26, 2022. Check the license (Minnesota 77455, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- George Andrew Cholack
- Credential
- MD, MSC
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- 77455 MN
33492 MN
Self-reported in NPPES; status is on the state search - Practice location
- 200 1St St SW, Rochester, MN 55905
- Phone
- (507) 284-2511
- Enumerated
- Mar 26, 2022
- Record last updated
- Jun 16, 2026
- Medicare enrollment
- Enrolled (PECOS I20240816000959); accepts Medicare assignment
- Medical or professional school
- Oakland Univ, William Beaumont School Of Medicine, 2023
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 274 in Minnesota → Look up another NPI →
Also registered at 200 1St St SW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Timothy Aadland, M.D.Diagnostic Radiology Physician1780662783
- Christopher Aakre, MDInternal Medicine Physician1508151663
- Kathryn Aaro, P.T.Physical Therapist1619360666
- Danielle Aase, MDReproductive Endocrinology Physician1316524135
- Uzoamaka Abajue, PHARMDPharmacist1982335295
- Francisco Abarca Rendon, MDIndependent Medical Examiner Physician1790096246
Verify George Andrew Cholack in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 77455Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
288 Medicare Part D claims for 50 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Atorvastatin Calcium37 claims
- Amlodipine Besylate23 claims
- Losartan Potassium18 claims
- Lisinopril15 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.
Bills Medicare through one group practice
- Mayo ClinicRochester, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
George Andrew Cholack among 274 hematology & oncology physician records in Minnesota
George Andrew Cholack, MD, MSC is one of 274 hematology & oncology physician records with a practice address in Minnesota. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 92% of them.
- NPI issued2022 · 92% of these records are older, 4% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated2023 · median 2009 among the 208 with a school on file
- Record last updated2026 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Minnesota
There are 274 hematology & oncology physician records in Minnesota.
All 274 in Minnesota → Every provider in Rochester → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Hassan Alkhateeb, M.DRochester, MN 559051982931705
- Deepti Behl, M.D.Rochester, MN 559051538172143
- Timothy Call, M.D.Rochester, MN 559051326024829
- Robert Dalton, M.D.Rochester, MN 559051740267467
- Moussab Damlaj, MDRochester, MN 559051891195186
- Jonathan Day, MD, PHARMDRochester, MN 559051730587429
- Dhauna Karam Chandra Mohan Prasad, M.D.Rochester, MN 559051265810923
- Brian Koh, MDRochester, MN 559051215135900
Common questions
What is George Andrew Cholack, MD, MSC's NPI number?
George Andrew Cholack, MD, MSC's National Provider Identifier (NPI) is 1669122214, issued on Mar 26, 2022. An NPI identifies a provider in billing; it is not a license.
Where is George Andrew Cholack, MD, MSC located?
The NPPES record lists a practice address at 200 1St St SW, Rochester, MN, 55905. Phone: (507) 284-2511. Providers update this record themselves, so call before visiting.
How can I verify George Andrew Cholack, MD, MSC's license?
NPPES lists Minnesota license number 77455, 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 George Andrew Cholack, MD, MSC prescribe under Medicare Part D?
In 2024, George Andrew Cholack, MD, MSC had 288 Medicare Part D claims for 50 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.