Doctor profile · Federal record

Dr. Huseyin Isildak, M.D

Otolaryngology Physician (CMS: Otolaryngology) · Otolaryngology Physician · Stony Brook, NY

  • NPI 1245523000
  • Accepts Medicare
  • MIPS 91.4 / 100 · 2023
  • 23 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
Stony Brook Hospital Hsc T19 068
Stony Brook, NY 117942360
(631) 444-2034
fax (631) 444-8947
Additional location
500 University Dr
Hershey, PA 170332360
(800) 243-1455

Credentials & registration

NPPES · NUCC
NPI registered
May 2011 — 15 yrs on file
Profile last updated
April 15, 2022
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207Y00000X — NUCC code
State licenses (2)
New York #308364 · Pennsylvania #MD449343

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1245523000. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
637
Distinct HCPCS
6
Medicare allowed
$61,542
HCPCS Description Services Patients Avg allowed
92504 Exam of ear using a microscope 238 201 $35
99213 Established patient office or other outpatient visit, 20-29 minutes 196 149 $107
99204 New patient office or other outpatient visit, 45-59 minutes 124 124 $197
69210 Removal of impacted ear wax 54 50 $58
99214 Established patient office or other outpatient visit, 30-39 minutes 13 13 $151
69420 Incision, aspiration, and/or inflation of eardrum 12 11 $237

In context: peer comparison

Among 2 peers in Stony Brook Otolaryngology Physician, average services per provider: 89. This provider delivers 7.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$278
Transactions
8
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Cochlear Americas 5 $179.86
Carestream Dental, LLC 2 $62.04
Integra LifeSciences Corporation 1 $36.44

By nature of payment

Food and Beverage
$278

Frequently asked questions

Auto-generated from federal data
What is Dr. Huseyin Isildak's medical specialty?
Dr. Huseyin Isildak practices Otolaryngology Physician in Stony Brook, NY.
Where does Dr. Huseyin Isildak practice?
Dr. Huseyin Isildak practices at Stony Brook Hospital Hsc T19 068, Stony Brook, NY 117942360. Office phone: 6314442034.
What is Dr. Huseyin Isildak's NPI?
Dr. Huseyin Isildak's National Provider Identifier (NPI) is 1245523000, issued by NPPES.
Does Dr. Huseyin Isildak accept Medicare assignment?
Yes. Dr. Huseyin Isildak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Huseyin Isildak commonly perform?
Top Medicare-reported procedures in 2023: Exam of ear using a microscope (HCPCS 92504); Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.