National Provider Identifier

William Cihak, MD

William Cihak, MD is listed in the NPPES registry with a primary specialty of Internal Medicine Physician in Olean, NY and a listed phone number of (716) 372-0141.

NPI 1386643781Olean, NYInternal Medicine Physician

Source: public NPPES record, last updated February 13, 2012. This profile is informational and is not medical advice, a quality rating, or a provider recommendation.

Profile Overview

NPI
1386643781
Provider Type
Individual
Primary Specialty
Internal Medicine Physician
Enumeration Date
July 18, 2005
Last Updated
February 13, 2012

Practice Location

  • 535 Main St
  • Olean, NY 14760-1513

Phone: (716) 372-0141

Specialties

  • Internal Medicine Physician (207R00000X)

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Medicare Part B Activity

Reported 6,627 Medicare fee-for-service service lines in 2023.

Peer comparison

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

This provider is in the 95th percentile for Medicare service volume.

Among the highest-volume peers.

Performs 536% more Medicare services than the peer median.

Higher than 21 of 22 peers.

Activity Percentile
95.5%
Rank by Services
1 of 22
Total Services
6,627
Est. Allowed Value
$178,082.24
Dataset Year
2023
Drug Code Share
36.2%

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 Allegany, NY metro area. Taller bars indicate higher service-volume bands. Highlighted bar marks this provider's percentile band.

Observed service range: 84 to 6,627 total Medicare services.

Top Clinical Services

Common Drug-Related Codes

Full Record
NPI
1386643781
Entity Type
Individual
Last Name
Cihak
First Name
William
Credential
MD
Mailing Street Address
535 Main St
Mailing City
Olean
Mailing State
NY
Mailing ZIP Code
14760-1513
Mailing Country
US
Mailing Phone
(716) 372-0141
Mailing Fax
(716) 376-2273
Practice Street Address
535 Main St
Practice City
Olean
Practice State
NY
Practice ZIP Code
14760-1513
Practice Country
US
Practice Phone
(716) 372-0141
Practice Fax
(716) 376-2273
Enumeration Date
July 18, 2005
Last Updated
February 13, 2012
Sex
Male
Sole Proprietor
No
updated_by_file
npidata_pfile_20050523-20260308.csv
Taxonomies
Internal Medicine Physician (207R00000X)
Other Identifiers
02022622 (NY)