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Maryann Pietrzyk, PNP
NPI 1447288113 · Pediatrics Physician · West Amherst, NY
Maryann Pietrzyk, PNP is a Pediatrics Physician provider in West Amherst, NY (NPI 1447288113).
Provider details
- NPI number
- 1447288113
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- PNP
- Sex
- Female
- Sole proprietor
- No
- License
- F381606-1 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
3950 E Robinson Rd
West Amherst, NY 14228-2041
Phone: (716) 691-3400
Fax: (716) 691-3404
Street-level locationGet directions
Mailing address
8205 Main St Ste 10
Williamsville, NY 14221-6054
Registry dates
- Enumerated
- 2006-06-29
- Last updated
- 2026-01-29
- Certified
- 2026-01-29
Frequently asked questions
- What is Maryann Pietrzyk's NPI number?
- Maryann Pietrzyk's National Provider Identifier (NPI) is 1447288113, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maryann Pietrzyk's specialty?
- Maryann Pietrzyk is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Maryann Pietrzyk located?
- Maryann Pietrzyk's practice location on file with NPPES is 3950 E Robinson Rd, West Amherst, NY 14228-2041.
- What is Maryann Pietrzyk's phone number?
- The practice phone number listed in the NPPES registry for Maryann Pietrzyk is (716) 691-3400.
- Is Maryann Pietrzyk's NPI active?
- Yes — Maryann Pietrzyk's NPI (1447288113) is active in the NPPES registry as of the last update on 2026-01-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.