DR. WILLIAM A KOSTUN MD
NPI 1457320061
Pediatrics in Troy, NY

Q: What is William Kostun's NPI number?

The NPI number for William Kostun is 1457320061. It was assigned to this individual provider in the NPPES registry on March 16, 2006.

Q: What is William Kostun's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Q: When was this NPI record last updated?

The NPPES record for William Kostun was last updated on May 14, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since March 16, 2006PECOS Enrolled

1300 MASSACHUSETTS AVE, TROY, NY 12180(518) 272-7614 Get Directions Write a Review

NPPES record last updated: May 14, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 14, 2021, Nov 24, 2020 (2 updates tracked since 2020).

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About Dr. William A Kostun Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. WILLIAM A KOSTUN MD (NPI 1457320061) is an individual pediatrics provider in Troy, New York, licensed in New York (162554) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1457320061

Entity TypeIndividualMale

Primary Taxonomy208000000X

Provider Legal NameDR. WILLIAM A KOSTUNCredential: MD

Location Address1300 MASSACHUSETTS AVETroy, NY 12180-1628

Mailing Address315 2nd AveTroy, NY 12182-3237 · (518) 235-6181 · Fax (518) 237-2465

Phone(518) 272-7614

Sole ProprietorNo

Enumeration DateMarch 16, 2006

Last NPPES UpdateMay 14, 20212 updates tracked since enumeration

NPPES CertifiedMay 14, 2021

✔ NPI 1457320061 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in NY · 162554

Definition

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

Also ListedLegal MedicineTaxonomy 173000000X · License 162554 (NY)

1300 MASSACHUSETTS AVE, Troy, NY 12180

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Secondary Practice Locations 3

Location 12215 Burdett Ave Fl 2Troy, NY 12180-2466 · Phone (518) 272-7614

Location 21 Tallow Wood DrClifton Park, NY 12065-2807 · Phone (518) 688-0295

Location 3315 2nd AveTroy, NY 12182-3237 · Phone (518) 235-6181 · Fax (518) 237-2465

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. William A Kostun Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show William Kostun reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Samaritan Hospital Of Troy, New York

0.7 mi

General Acute Care Hospital

2215 BURDETT AVE
Troy, NY 12180

Reassigned Medicare billing, New York enrollment
725 clinicians in this Medicare group

NPI 1043267727 (518) 271-3300

Albany Medical College

8.0 mi

Allergy & Immunology

47 NEW SCOTLAND AVE
Albany, NY 12208

Reassigned Medicare billing, New York enrollment
1,640 clinicians in this Medicare group

NPI 1497921688 (518) 262-9600

St. Peter's Hospital Of The City Of Albany

8.2 mi

Internal Medicine

53 COLUMBIA STREET
Rensselaer, NY 12144

Reassigned Medicare billing, New York enrollment
Medicare enrollment name: St Peters Hospital Of The City Of Albany
623 clinicians in this Medicare group

NPI 1487725750 (518) 434-2526

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 12180 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$84.93 typical visit price

range $54.87 – $166.88

Typical copayment $21.23 (range $13.71 – $41.72)

Most-billed visit code 99203

Established Patient

$97.08 typical visit price

range $17.54 – $136.14

Typical copayment $24.27 (range $4.38 – $34.03)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

GARRY DUROSIER MD

Pediatrics