Doctor profile · Federal record

Dr. Jahan Aghalar, M.D.

Internal Medicine Physician (CMS: Medical Oncology) · Commack, NY

  • NPI 1346474517
  • Accepts Medicare
  • 19 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
650 Commack RD
Commack, NY 117255404
(631) 623-4000
fax (631) 864-3827

Credentials & registration

NPPES · NUCC
NPI registered
May 2009 — 17 yrs on file
Profile last updated
July 22, 2014
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
New York #251445

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1346474517. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
104,730
Distinct HCPCS
10
Medicare allowed
$1,987,615
HCPCS Description Services Patients Avg allowed
J1439 Injection, ferric carboxymaltose, 1 mg 41,250 45 $1
J9271 Injection, pembrolizumab, 1 mg 12,600 26 $54
J1756 Injection, iron sucrose, 1 mg 11,600 30 $0
J0881 Injection, darbepoetin alfa, 1 microgram (non-esrd use) 7,100 14 $3
J9144 Injection, daratumumab, 10 mg and hyaluronidase-fihj 5,040 13 $47
J0897 Injection, denosumab, 1 mg 4,920 42 $23
36415 Insertion of needle into vein for collection of blood sample 3,094 1,077 $8
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 2,318 946 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 2,107 728 $151
J1100 Injection, dexamethasone sodium phosphate, 1 mg 1,915 84 $0

In context: peer comparison

Among 10 peers in this city , average services per provider: 580. This provider delivers 181× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$21,318
Transactions
19
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Bayer Healthcare Pharmaceuticals Inc. 3 $7,946.00
Janssen Biotech, Inc. 6 $6,928.04
Merck Sharp & Dohme LLC 3 $3,752.39
Exelixis Inc. 5 $2,516.94
Dendreon Pharmaceuticals LLC 2 $174.83

By nature of payment

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
$14,078
Consulting Fee
$3,378
Travel and Lodging
$1,900
Honoraria
$1,715
Food and Beverage
$247

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,137
Patients
213
Total drug cost
$4,713,373
Drug Type Claims Patients Total cost
Prednisone Generic 206 40 $2,000
Abiraterone Acetate Generic 174 29 $665,934
Aranesp (Darbepoetin Alfa In Polysorbat) Brand 110 31 $379,993
Akynzeo (Fosnetupitant/Palonosetron) Brand 102 30 $109,879
Lynparza (Olaparib) Brand 68 0 $956,576
Nubeqa (Darolutamide) Brand 64 15 $849,000
Orgovyx (Relugolix) Brand 53 0 $151,430
Xtandi (Enzalutamide) Brand 53 13 $833,917
Xarelto (Rivaroxaban) Brand 51 11 $31,341
Xgeva (Denosumab) Brand 48 0 $153,263

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jahan Aghalar's medical specialty?
Dr. Jahan Aghalar practices Internal Medicine Physician in Commack, NY.
Where does Dr. Jahan Aghalar practice?
Dr. Jahan Aghalar practices at 650 Commack RD, Commack, NY 117255404. Office phone: 6316234000.
What is Dr. Jahan Aghalar's NPI?
Dr. Jahan Aghalar's National Provider Identifier (NPI) is 1346474517, issued by NPPES.
Does Dr. Jahan Aghalar accept Medicare assignment?
Yes. Dr. Jahan Aghalar accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jahan Aghalar commonly perform?
Top Medicare-reported procedures in 2023: Injection, ferric carboxymaltose, 1 mg (HCPCS J1439); Injection, pembrolizumab, 1 mg (HCPCS J9271); Injection, iron sucrose, 1 mg (HCPCS J1756). Source: CMS Medicare Physician & Other Practitioners file.