William A. Kostun, MD
Pediatrics Physician · Troy, NY
William A. Kostun, MD is a pediatrics physician with a practice address in Troy, New York, and NPI 1457320061, issued on Mar 16, 2006. Check the license (New York 162554, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- William A. Kostun
- Credential
- MD
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- 162554 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1300 Massachusetts Ave, Troy, NY 12180
- Phone
- (518) 272-7614
- Enumerated
- Mar 16, 2006
- Record last updated
- May 14, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 5,795 in New York → Look up another NPI →
Also registered at 1300 Massachusetts Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Deborah Basso, M.D.Obstetrics & Gynecology Physician1740238203
Verify William A. Kostun 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 162554Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $108.44
4 payments; by number, the most common kind was food and beverage; the largest payer was Sanofi-Aventis U.S. LLC. The 21,580 providers of this specialty with any payment received $842.05 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.
William A. Kostun among 5,795 pediatrics physician records in New York
William A. Kostun, MD is one of 5,795 pediatrics physician records with a practice address in New York. 36% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 51% newer
- In a Medicare fileYes · 36% of these records are
- In the CMS Doctors and Clinicians fileNo · 8% of these records are
- Record last updated2021 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatrics Physician providers in New York
There are 5,795 pediatrics physician records in New York.
All 5,795 in New York → Every provider in Troy → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Scott Bello, M.D.Troy, NY 121801295799633
- Donald Bielawski, M.D.Troy, NY 121801356333942
- Marius Killian Ditursi, M.D., PH.D.Troy, NY 121801477787612
- Garry Durosier, MDTroy, NY 121801003128109
- Carol Greenblatt, D.O.Troy, NY 121801245292069
- Karyn Hughes, D.O.Troy, NY 121801770809774
- Ifeoma Ojukwu, M.DTroy, NY 121801811928575
- Marci Reynolds, M.D.Troy, NY 121801043202534
Common questions
What is William A. Kostun, MD's NPI number?
William A. Kostun, MD's National Provider Identifier (NPI) is 1457320061, issued on Mar 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William A. Kostun, MD located?
The NPPES record lists a practice address at 1300 Massachusetts Ave, Troy, NY, 12180. Phone: (518) 272-7614. Providers update this record themselves, so call before visiting.
How can I verify William A. Kostun, MD's license?
NPPES lists New York license number 162554, 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.
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.