Huseyin Isildak, M.D
NPI 1245523000 · Otolaryngology Physician · Stony Brook, NY
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Huseyin Isildak, M.D is a Otolaryngology Physician provider in Stony Brook, NY (NPI 1245523000).
Provider details
- NPI number
- 1245523000
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Male
- Sole proprietor
- No
- License
- MD449343 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
15 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
880 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Exam of Ear Using a Microscope92504 | 304 | $35 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 194 | $107 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 130 | $197 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 124 | $151 |
| Removal of Impacted Ear Wax69210 | 103 | $57 |
| Incision of Eardrum With Insertion of Eardrum Tube Under Local Or Topical Anesthesia69433 | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$278 across 8 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 500 University DrHershey, PA 17033-2360Phone: (800) 243-1455
Registry dates
- Enumerated
- 2011-05-26
- Last updated
- 2022-04-15
- Certified
- 2022-04-15
Frequently asked questions
- What is Huseyin Isildak's NPI number?
- Huseyin Isildak's National Provider Identifier (NPI) is 1245523000, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Huseyin Isildak's specialty?
- Huseyin Isildak is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Huseyin Isildak located?
- Huseyin Isildak's practice location on file with NPPES is Stony Brook Hospital Hsc T19 068, Stony Brook, NY 11794-2360.
- What is Huseyin Isildak's phone number?
- The practice phone number listed in the NPPES registry for Huseyin Isildak is (631) 444-2034.
- Does Huseyin Isildak accept Medicare?
- Huseyin Isildak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Huseyin Isildak's NPI active?
- Yes — Huseyin Isildak's NPI (1245523000) is active in the NPPES registry as of the last update on 2022-04-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.