Catherine Valentyn, P.A. - C.
NPI 1578558045 · Physician Assistant · Milwaukee, WI
Enrolled with Medicare as Order and Referring Only - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Catherine Valentyn, P.A. - C. is a Physician Assistant provider in Milwaukee, WI (NPI 1578558045).
Provider details
- NPI number
- 1578558045
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- P.A. - C.
- Sex
- Female
- Sole proprietor
- No
- License
- 1750-023 (WI)
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
- 2005-09-12
- Last updated
- 2017-04-10
Frequently asked questions
- What is Catherine Valentyn's NPI number?
- Catherine Valentyn's National Provider Identifier (NPI) is 1578558045, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Valentyn's specialty?
- Catherine Valentyn is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Catherine Valentyn located?
- Catherine Valentyn's practice location on file with NPPES is 633 E Mason St, Milwaukee, WI 53202-3813.
- What is Catherine Valentyn's phone number?
- The practice phone number listed in the NPPES registry for Catherine Valentyn is (414) 665-8400.
- Does Catherine Valentyn accept Medicare?
- Catherine Valentyn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Catherine Valentyn's NPI active?
- Yes — Catherine Valentyn's NPI (1578558045) is active in the NPPES registry as of the last update on 2017-04-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.