Jahan Aghalar, M.D.
Internal Medicine Physician · Commack, NY
Jahan Aghalar, M.D. is an internal medicine physician with a practice address in Commack, New York, and NPI 1346474517, issued on May 4, 2009. Check the license (New York 251445, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Jahan Aghalar
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 251445 NY
Self-reported in NPPES; status is on the state search - Practice location
- 650 Commack RD, Commack, NY 11725
- Phone
- (631) 623-4000
- Enumerated
- May 4, 2009
- Record last updated
- Jul 22, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (631) 864-3827
- Medicare enrollment
- Enrolled (PECOS I20110106000091); accepts Medicare assignment
- Medical or professional school
- Albert Einstein College Of Medicine Of Yeshiva University, 2007
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 650 Commack RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Allison Allan, AGPCNP-BCAdult Health Nurse Practitioner1467846576
- Kelly Blum, NPFamily Nurse Practitioner1346192788
- Mark Bluth, MDDiagnostic Radiology Physician1306817952
- Emily Boyce, NPAdult Health Nurse Practitioner1952150864
- Roseann Caruso, NPAdult Health Nurse Practitioner1568719532
- Amanda Corr, PHARMDOncology Pharmacist1679396949
Verify Jahan Aghalar 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 251445Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
25% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,383 Medicare Part D claims for 307 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 25 claims were for opioids.
Most prescribed
- Prednisone248 claims
- Abiraterone Acetate242 claims
- Nubeqa160 claims
- Aranesp133 claims
- Akynzeo108 claims
- Orgovyx97 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: $21,318.20
19 payments; by number, the most common kind was compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program; the largest payer was Bayer Healthcare Pharmaceuticals 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.
Bills Medicare through one group practice
- North Shore Hematology Oncology Associates PCBayside, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
19 internal medicine physician records list a practice address in Commack
They are 19 of the 1,341 NPPES records with a practice address in Commack, and 12,067 internal medicine physician records in New York.
All 19 in Commack → All 12,067 in New York → Every provider in Commack →
Other internal medicine physician records in New York
- Deborah Aanonsen, D.O.Staten Island, NY1952395717
- Nivedita Aanur, M.D.New York, NY1982833471
- Jay Aaron, MDGreat Neck, NY1245332956
- Ahmad AbadiPoughkeepsie, NY1780258517
- Jamsheed Abadi, MDBrooklyn, NY1477537496
- Antonieta Abarientos, MDNew Rochelle, NY1649285123
- Zurab Abayev, M.D.Brooklyn, NY1841283058
- Ehab Abaza, MDNew York, NY1114507555
- Vaidarshi Abbagoni, MDNew York, NY1871237495
- Muhammad AbbasRichmond Hill, NY1053996587
Common questions
What is Jahan Aghalar, M.D.'s NPI number?
Jahan Aghalar, M.D.'s National Provider Identifier (NPI) is 1346474517, issued on May 4, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Jahan Aghalar, M.D. located?
The NPPES record lists a practice address at 650 Commack RD, Commack, NY, 11725. Phone: (631) 623-4000. Providers update this record themselves, so call before visiting.
How can I verify Jahan Aghalar, M.D.'s license?
NPPES lists New York license number 251445, 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 Jahan Aghalar, M.D. prescribe under Medicare Part D?
In 2024, Jahan Aghalar, M.D. had 2,383 Medicare Part D claims for 307 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.