Kathleen Pierce
NPI 1639810856 · Family Medicine Physician · Williamsville, NY
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kathleen Pierce is a Family Medicine Physician provider in Williamsville, NY (NPI 1639810856).
Provider details
- NPI number
- 1639810856
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- 334276 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-04-03
- Last updated
- 2026-01-12
- Certified
- 2026-01-12
Frequently asked questions
- What is Kathleen Pierce's NPI number?
- Kathleen Pierce's National Provider Identifier (NPI) is 1639810856, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathleen Pierce's specialty?
- Kathleen Pierce is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Kathleen Pierce located?
- Kathleen Pierce's practice location on file with NPPES is 850 Hopkins Rd, Williamsville, NY 14221-1729.
- What is Kathleen Pierce's phone number?
- The practice phone number listed in the NPPES registry for Kathleen Pierce is (716) 688-9641.
- Does Kathleen Pierce accept Medicare?
- Kathleen Pierce is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kathleen Pierce's NPI active?
- Yes — Kathleen Pierce's NPI (1639810856) is active in the NPPES registry as of the last update on 2026-01-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.