Joseph Edward Karpenos, MD
Internal Medicine Physician · Buffalo, NY
Joseph Edward Karpenos, MD is an internal medicine physician with a practice address in Buffalo, New York, and NPI 1619554557, issued on Mar 26, 2021. Check the license (New York 331395-01, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Joseph Edward Karpenos
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 331395-01 NY
Self-reported in NPPES; status is on the state search - Practice location
- 85 High St, Buffalo, NY 14203
- Phone
- (716) 630-1000
- Enumerated
- Mar 26, 2021
- Record last updated
- Jun 23, 2025
- Medicare enrollment
- Enrolled (PECOS I20250912000540); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 85 High St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sara AchakzaiHospitalist Physician1487906996
- Amy Albert, RPACPhysician Assistant1497705016
- Dennis AlexAdult Health Nurse Practitioner1396203691
- Elizabeth Allen, PA-CMedical Physician Assistant1609423375
- Karyma AlmontaserPhysician Assistant1306594833
- Umeer Ashraf, MDInternal Medicine Physician1336398213
Verify Joseph Edward Karpenos in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 331395-01Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
33 Medicare Part D claims for 14 beneficiaries, against an average of 3,176 among the 108,855 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.
One hospital affiliation
- Mercy Hospital OF BuffaloBuffalo, NY · Acute Care Hospitals2 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Joseph Edward Karpenos among 12,067 internal medicine physician records in New York
Joseph Edward Karpenos, MD is one of 12,067 internal medicine physician records with a practice address in New York. 79% 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 91% of them.
- NPI issued2021 · 91% of these records are older, 6% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2021 · median 2002 among the 7,221 with a school on file
- Record last updated2025 · 61% 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 New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
293 internal medicine physician records list a practice address in Buffalo
They are 293 of the 13,287 NPPES records with a practice address in Buffalo, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Buffalo → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Nicholas Aquino, M.DBuffalo, NY 142031710941521
- Octavia Balan, MDBuffalo, NY 142031649236134
- Walter Balon, M.D.Buffalo, NY 142031538148804
- Reena Bose, M.D.Buffalo, NY 142031003860438
- Manju Ceylony, MDBuffalo, NY 142031831137298
- Richard Charles, M.D.Buffalo, NY 142031588629216
- Donald Miller, MDBuffalo, NY 142031225096282
- Matthew O Brien, MDBuffalo, NY 142031972551430
Common questions
What is Joseph Edward Karpenos, MD's NPI number?
Joseph Edward Karpenos, MD's National Provider Identifier (NPI) is 1619554557, issued on Mar 26, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Edward Karpenos, MD located?
The NPPES record lists a practice address at 85 High St, Buffalo, NY, 14203. Phone: (716) 630-1000. Providers update this record themselves, so call before visiting.
How can I verify Joseph Edward Karpenos, MD's license?
NPPES lists New York license number 331395-01, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Joseph Edward Karpenos, MD prescribe under Medicare Part D?
In 2024, Joseph Edward Karpenos, MD had 33 Medicare Part D claims for 14 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.