Mariann Graczyk, FNP
NPI 1801043617 · Family Nurse Practitioner · Olean, NY
Mariann Graczyk, FNP is a Family Nurse Practitioner provider in Olean, NY (NPI 1801043617).
Provider details
- NPI number
- 1801043617
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- F331428-1 (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
17 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
- 2008-08-22
- Last updated
- 2008-08-22
Frequently asked questions
- What is Mariann Graczyk's NPI number?
- Mariann Graczyk's National Provider Identifier (NPI) is 1801043617, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mariann Graczyk's specialty?
- Mariann Graczyk is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mariann Graczyk located?
- Mariann Graczyk's practice location on file with NPPES is 1 Leo Moss Dr, Olean, NY 14760-1100.
- What is Mariann Graczyk's phone number?
- The practice phone number listed in the NPPES registry for Mariann Graczyk is (716) 373-8050.
- Is Mariann Graczyk's NPI active?
- Yes — Mariann Graczyk's NPI (1801043617) is active in the NPPES registry as of the last update on 2008-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.