Catherine Stack, CNM
NPI 1871551200 · Advanced Practice Midwife · Williamsville, NY
Enrolled with Medicare as Practitioner - Certified Nurse Midwife (cnm) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Catherine Stack, CNM is a Advanced Practice Midwife provider in Williamsville, NY (NPI 1871551200).
Provider details
- NPI number
- 1871551200
- Entity type
- Individual
- Primary specialty
- Advanced Practice MidwifePhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CNM
- Sex
- Female
- License
- F000820 (NY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2006-05-03
- Last updated
- 2007-07-08
Frequently asked questions
- What is Catherine Stack's NPI number?
- Catherine Stack's National Provider Identifier (NPI) is 1871551200, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Stack's specialty?
- Catherine Stack is listed in the NPPES registry with a primary specialty of Advanced Practice Midwife (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Catherine Stack located?
- Catherine Stack's practice location on file with NPPES is 1540 Maple Rd, Williamsville, NY 14221-3647.
- What is Catherine Stack's phone number?
- The practice phone number listed in the NPPES registry for Catherine Stack is (716) 568-6570.
- Does Catherine Stack accept Medicare?
- Catherine Stack is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Catherine Stack's NPI active?
- Yes — Catherine Stack's NPI (1871551200) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.