Andrew Gregory, MD
Hematology & Oncology Physician · Milwaukee, WI
Andrew Gregory, MD is a hematology & oncology physician with a practice address in Milwaukee, Wisconsin, and NPI 1023695400, issued on Mar 24, 2021. Check the license (Wisconsin 81487-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Andrew Gregory
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 81487-20 WI
Self-reported in NPPES; status is on the state search - Practice location
- 945 N 12TH St, Milwaukee, WI 53233
- Phone
- (888) 863-5502
- Enumerated
- Mar 24, 2021
- Record last updated
- Sep 6, 2024
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 295 in Wisconsin → Look up another NPI →
Also registered at 945 N 12TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ahmed Abdelmagid, M.D.Critical Care Medicine (Internal Medicine) Physician1144589383
- Mohammad Abdul AzeemNeurology Physician1295229797
- Ibrahim Abu-ArqoubPharmacist1033539390
- Stephanie Adamczyk, PAPhysician Assistant1063007441
- Shant Adamian, DOObstetrics & Gynecology Physician1952861668
- Ola AhmadStudent in an Organized Health Care Education/Training Program1629871645
Verify Andrew Gregory in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 81487-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
26 Medicare Part D claims for 12 beneficiaries, against an average of 877 among the 10,784 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.
Andrew Gregory among 295 hematology & oncology physician records in Wisconsin
Andrew Gregory, MD is one of 295 hematology & oncology physician records with a practice address in Wisconsin. 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 2021, is newer than 97% of them.
- NPI issued2021 · 97% of these records are older, 2% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 74% of these records are
- Record last updated2024 · 51% 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 Wisconsin 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 Wisconsin
There are 295 hematology & oncology physician records in Wisconsin.
All 295 in Wisconsin → Every provider in Milwaukee → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Joe Al-RamahiMilwaukee, WI 532331295312387
- Ankoor Biswas, M.D.Milwaukee, WI 532331255774972
- Logan Daines, DOMilwaukee, WI 532331497495295
- Magdalena Flejsierowicz, MDMilwaukee, WI 532331144246737
- Faiz Hussain, M.D.Milwaukee, WI 532331285044784
- Insia Rizvi, M.D.Milwaukee, WI 532331073040895
- Chad GlischWest Allis, WI 532271134514078
- Brenda Pierce, MDWest Allis, WI 532271437140175
Common questions
What is Andrew Gregory, MD's NPI number?
Andrew Gregory, MD's National Provider Identifier (NPI) is 1023695400, issued on Mar 24, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Andrew Gregory, MD located?
The NPPES record lists a practice address at 945 N 12TH St, Milwaukee, WI, 53233. Phone: (888) 863-5502. Providers update this record themselves, so call before visiting.
How can I verify Andrew Gregory, MD's license?
NPPES lists Wisconsin license number 81487-20, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Andrew Gregory, MD prescribe under Medicare Part D?
In 2024, Andrew Gregory, MD had 26 Medicare Part D claims for 12 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.