Marilyn Walczak, CRNP
NPI 1689640120 · Family Nurse Practitioner · Allison Park, PA
Marilyn Walczak, CRNP is a Family Nurse Practitioner provider in Allison Park, PA (NPI 1689640120).
Provider details
- NPI number
- 1689640120
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNP
- Sex
- Female
- Sole proprietor
- No
- License
- SP004385B (PA)
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
- 2006-02-24
- Last updated
- 2022-07-21
Frequently asked questions
- What is Marilyn Walczak's NPI number?
- Marilyn Walczak's National Provider Identifier (NPI) is 1689640120, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marilyn Walczak's specialty?
- Marilyn Walczak is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marilyn Walczak located?
- Marilyn Walczak's practice location on file with NPPES is 4849 William Flynn Hwy, Allison Park, PA 15101-2319.
- What is Marilyn Walczak's phone number?
- The practice phone number listed in the NPPES registry for Marilyn Walczak is (724) 443-2418.
- Is Marilyn Walczak's NPI active?
- Yes — Marilyn Walczak's NPI (1689640120) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.