National Provider Identifier
Kristen Hollach Anastasi, NP
Kristen Hollach Anastasi, NP is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician in Williamsville, NY and a listed phone number of (716) 639-4034.
Source: public NPPES record, last updated July 24, 2025. This profile is informational and is not medical advice, a quality rating, or a provider recommendation.
Profile Overview
- NPI
- 1134259070
- Provider Type
- Individual
- Primary Specialty
- Obstetrics & Gynecology Physician
- Enumeration Date
- March 07, 2007
- Last Updated
- July 24, 2025
Practice Location
- 2240 North Forest RD.
- Williamsville, NY 14221
Phone: (716) 639-4034
Specialties
- Obstetrics & Gynecology Physician (207V00000X)
- Gynecology Physician (207VG0400X)
- Women's Health Nurse Practitioner (363LW0102X)
Browse Similar Providers
See more providers in the Obstetrics & Gynecology classification in Buffalo, NY.
Medicare Part B Activity
Reported 23 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 20th percentile for Medicare service volume.
Lower volume than many peers.
Performs 64% fewer Medicare services than the peer median.
Higher than 18 of 90 peers.
- Activity Percentile
- 20.0%
- Rank by Services
- 72 of 90
- Total Services
- 23
- Est. Allowed Value
- $684.66
- 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
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
- G0101: Cervical or vaginal cancer screening; pelvic and clinical breast examination
23 services | $684.66
Full Record
- NPI
- 1134259070
- Entity Type
- Individual
- Last Name
- Hollach Anastasi
- First Name
- Kristen
- Credential
- NP
- Mailing Street Address
- 2240 North Forest RD.
- Mailing City
- Williamsville
- Mailing State
- NY
- Mailing ZIP Code
- 14221
- Mailing Country
- US
- Mailing Phone
- (716) 639-4034
- Mailing Fax
- (716) 929-8940
- Practice Street Address
- 2240 North Forest RD.
- Practice City
- Williamsville
- Practice State
- NY
- Practice ZIP Code
- 14221
- Practice Country
- US
- Practice Phone
- (716) 639-4034
- Practice Fax
- (716) 929-8940
- Enumeration Date
- March 07, 2007
- Last Updated
- July 24, 2025
- Sex
- Female
- Sole Proprietor
- No
- Certification Date
- July 17, 2025
- Taxonomies
- Obstetrics & Gynecology Physician (207V00000X), Gynecology Physician (207VG0400X), Women's Health Nurse Practitioner (363LW0102X)
- Other Identifiers
- 000560308001 (NY, BCBS), 9512196 (NY, Iha)