National Provider Identifier

Stanley James Pietrak, M.D.

Stanley James Pietrak, M.D. is listed in the NPPES registry with a primary specialty of Gastroenterology Physician in Williamsville, NY and a listed phone number of (716) 626-5250.

NPI 1396794939Williamsville, NYGastroenterology Physician

Source: public NPPES record, last updated December 11, 2013. This profile is informational and is not medical advice, a quality rating, or a provider recommendation.

Profile Overview

NPI
1396794939
Provider Type
Individual
Primary Specialty
Gastroenterology Physician
Enumeration Date
May 10, 2006
Last Updated
December 11, 2013

Practice Location

  • 60 Maple RD
  • Williamsville, NY 14221-2917

Phone: (716) 626-5250

Specialties

  • Gastroenterology Physician (207RG0100X)

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Medicare Part B Activity

Reported 326 Medicare fee-for-service service lines in 2023.

Peer comparison

Compared to Internal Medicine providers in the Buffalo, NY metro area.

This provider is in the 46th percentile for Medicare service volume.

Around the middle of the peer group.

Performs 10% fewer Medicare services than the peer median.

Higher than 309 of 665 peers.

Activity Percentile
46.5%
Rank by Services
354 of 665
Total Services
326
Est. Allowed Value
$44,839.20
Dataset Year
2023
Drug Code Share
0.0%

Estimated allowed value reflects Medicare fee-for-service allowed amounts only. It does not include Medicare Advantage, commercial insurance, cash-pay services, or employment compensation.

Peers are grouped by the broader Internal Medicine classification rather than the exact subspecialty label shown elsewhere on the page.

Percentile distribution

Lowest-volume peersThis providerHighest-volume peers
0%10%20%30%40%50%60%70%80%90%+

Each bar represents a 10-point percentile band of peers by total Medicare services for Internal Medicine across the Buffalo, NY metro area. Taller bars indicate higher service-volume bands. Highlighted bar marks this provider's percentile band.

Observed service range: 11 to 91,321 total Medicare services.

Top Clinical Services

Procedure Cost Comparisons

This provider appears in MedCostCompare procedure price pages built from Medicare fee-for-service data. Follow the links to compare local provider prices for the listed procedures.

Prices are Medicare-approved amounts from public provider-service records, not private insurance rates, cash-pay quotes, or a promise of what any patient will pay.

Biography

Dr. Stanley J. Pietrak is a Williamsville physician with Gastroenterology Associates LLP and Catholic Health affiliations at Sisters of Charity Hospital and St. Joseph Campus. A graduate of Albany Medical College, he completed internal medicine training in Buffalo, served as chief medical resident at Erie County Medical Center, and completed a gastroenterology fellowship; he has also held long-running local leadership roles, including clinical assistant professor of medicine and chief of gastroenterology at Sisters Hospital from 1994 to 2018, according to the Medical Society of Erie County.

Full Record
NPI
1396794939
Entity Type
Individual
Last Name
Pietrak
First Name
Stanley
Middle Name
James
Credential
M.D.
Mailing Street Address
60 Maple RD
Mailing City
Williamsville
Mailing State
NY
Mailing ZIP Code
14221-2917
Mailing Country
US
Mailing Phone
(716) 626-5250
Mailing Fax
(716) 332-2218
Practice Street Address
60 Maple RD
Practice City
Williamsville
Practice State
NY
Practice ZIP Code
14221-2917
Practice Country
US
Practice Phone
(716) 626-5250
Practice Fax
(716) 332-2218
Enumeration Date
May 10, 2006
Last Updated
December 11, 2013
Sex
Male
Sole Proprietor
No
updated_by_file
npidata_pfile_20050523-20260308.csv
Taxonomies
Gastroenterology Physician (207RG0100X)
Other Identifiers
00845969 (NY)