Gregory Max Hemenway, MD
Internal Medicine Physician · Philadelphia, PA
Gregory Max Hemenway, MD is an internal medicine physician with a practice address in Philadelphia, Pennsylvania, and NPI 1316563539, issued on Jun 23, 2020. Check the license (Pennsylvania MT220231, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Gregory Max Hemenway
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MT220231 PA
Self-reported in NPPES; status is on the state search - Practice location
- 3401 N Broad St, Philadelphia, PA 19140
- Phone
- (800) 836-7536
- Enumerated
- Jun 23, 2020
- Record last updated
- Jun 23, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
Also registered at 3401 N Broad St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tori Abdalla, DOInternal Medicine Physician1942091699
- Ahmad Abdeen, MDSurgery Physician1033900642
- Rehab Abdel-Kariem, M.D.Emergency Medicine Physician1508008434
- Abdelaal Abdelbaky, MDNeurological Surgery Physician1437429107
- Ziyodakhon Abdujabborova, MDInternal Medicine Physician1699391839
- Asia Abdul-Haqq, CNMAdvanced Practice Midwife1588679161
Verify Gregory Max Hemenway in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MT220231Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average internal medicine physician in 2024
299 Medicare Part D claims for 96 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 16 claims were for opioids.
Most prescribed
- Eliquis24 claims
- Ondansetron Hcl16 claims
- Gabapentin15 claims
- Lidocaine-Prilocaine14 claims
- Amlodipine Besylate13 claims
- Prochlorperazine Maleate11 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.
Industry payments in 2024: $61.49
2 payments; by number, the most common kind was food and beverage; the largest payer was Tempus AI, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Gregory Max Hemenway among 7,300 internal medicine physician records in Pennsylvania
Gregory Max Hemenway, MD is one of 7,300 internal medicine physician records with a practice address in Pennsylvania. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 77% of them.
- NPI issued2020 · 77% of these records are older, 19% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2020 · 56% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,855 internal medicine physician records list a practice address in Philadelphia
They are 1,855 of the 42,849 NPPES records with a practice address in Philadelphia, and 7,300 internal medicine physician records in Pennsylvania.
All 7,300 in Pennsylvania → Every provider in Philadelphia → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Kathleen Coppola, MDPhiladelphia, PA 191401932197837
- Giuliana Defrancesch, MDPhila, PA 191401154307783
- Susan Gersh, MDPhiladelphia, PA 191401780672659
- Sharon Herring, MDPhiladelphia, PA 191401285600197
- Lawrence Kaplan, MDPhiladelphia, PA 191401225026198
- Karen Lin, MDPhiladelphia, PA 191401194713099
- Keith McNellis, MDPhiladelphia, PA 191401003804907
- Faria Mesgar, MDPhiladelphia, PA 191401104814268
Common questions
What is Gregory Max Hemenway, MD's NPI number?
Gregory Max Hemenway, MD's National Provider Identifier (NPI) is 1316563539, issued on Jun 23, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Max Hemenway, MD located?
The NPPES record lists a practice address at 3401 N Broad St, Philadelphia, PA, 19140. Phone: (800) 836-7536. Providers update this record themselves, so call before visiting.
How can I verify Gregory Max Hemenway, MD's license?
NPPES lists Pennsylvania license number MT220231, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gregory Max Hemenway, MD prescribe under Medicare Part D?
In 2024, Gregory Max Hemenway, MD had 299 Medicare Part D claims for 96 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.