National Provider Identifier

Susan Catherine Erk, DO

Susan Catherine Erk, DO is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician in Williamsville, NY and a listed phone number of (716) 631-8212.

NPI 1477520203Williamsville, NYObstetrics & Gynecology Physician

Source: public NPPES record, last updated July 13, 2026. This profile is informational and is not medical advice, a quality rating, or a provider recommendation.

Profile Overview

NPI
1477520203
Provider Type
Individual
Primary Specialty
Obstetrics & Gynecology Physician
Enumeration Date
March 01, 2006
Last Updated
July 13, 2026

Practice Location

  • 1835 Maple RD
  • Williamsville, NY 14221-2711

Phone: (716) 631-8212

Specialties

  • Obstetrics & Gynecology Physician (207V00000X)

Browse Similar Providers

See more providers in the Obstetrics & Gynecology classification in Buffalo, NY.

Open Obstetrics & Gynecology providers in Buffalo, NY

Medicare Part B Activity

Reported 163 Medicare fee-for-service service lines in 2024.

Peer comparison

Compared to Obstetrics & Gynecology providers in the Buffalo, NY metro area.

This provider is in the 83rd percentile for Medicare service volume.

Higher volume than most peers.

Performs 155% more Medicare services than the peer median.

Higher than 75 of 90 peers.

Activity Percentile
83.3%
Rank by Services
15 of 90
Total Services
163
Est. Allowed Value
$7,266.70
Dataset Year
2024
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 Obstetrics & Gynecology 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 Obstetrics & Gynecology 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 909 total Medicare services.

Top Clinical Services

Full Record
NPI
1477520203
Entity Type
Individual
Last Name
Erk
First Name
Susan
Middle Name
Catherine
Name Prefix
Dr.
Credential
DO
Mailing Street Address
1835 Maple RD
Mailing City
Williamsville
Mailing State
NY
Mailing ZIP Code
14221-2711
Mailing Country
US
Mailing Phone
(716) 631-8212
Mailing Fax
(716) 631-8710
Practice Street Address
1835 Maple RD
Practice City
Williamsville
Practice State
NY
Practice ZIP Code
14221-2711
Practice Country
US
Practice Phone
(716) 631-8212
Practice Fax
(716) 631-8710
Enumeration Date
March 01, 2006
Last Updated
July 13, 2026
Sex
Female
Sole Proprietor
No
Taxonomies
Obstetrics & Gynecology Physician (207V00000X)
Other Identifiers
01193957 (NY)