NPPES file of Aug 9, 2026

Christien Eileen Olewniczak, NURSE PRACTITIONER

Family Nurse Practitioner · Lancaster, NY

Christien Eileen Olewniczak, NURSE PRACTITIONER is a family nurse practitioner with a practice address in Lancaster, New York, and NPI 1609498658, issued on May 13, 2020. Check the license (New York F345430-01, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1609498658
Name
Christien Eileen Olewniczak
Credential
NURSE PRACTITIONER
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
F345430-01 NY
Self-reported in NPPES; status is on the state search
Practice location
3592 Walden Ave Apt 3, Lancaster, NY 14086
Phone
(716) 572-5946
Enumerated
May 13, 2020
Record last updated
Jul 14, 2023
Medicare enrollment
Enrolled (PECOS I20220323000043); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Verify Christien Eileen Olewniczak in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this profession
    Search for license F345430-01
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the New York license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

3.9 times the Medicare Part D claims of the average family nurse practitioner in 2024

5,063 Medicare Part D claims for 417 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 91 claims were for opioids.

  1. Christien Olewniczak5,063
  2. Specialty average1,305

Most prescribed

  1. Clonazepam298 claims
  2. Alprazolam280 claims
  3. Quetiapine Fumarate242 claims
  4. Sertraline Hcl181 claims
  5. Buspirone Hcl140 claims
  6. Trazodone Hcl131 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $3,581.50

120 payments; by number, the most common kind was food and beverage; the largest payer was Vanda Pharmaceuticals Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Christien Olewniczak$3,581.50
  2. Specialty average$650.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. County OF NiagaraLockport, NY
  2. Wny Medical PCDepew, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Christien Eileen Olewniczak among 14,805 family nurse practitioner records in New York

Christien Eileen Olewniczak, NURSE PRACTITIONER is one of 14,805 family nurse practitioner records with a practice address in New York. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 58% of them.

  • NPI issued2020 · 58% of these records are older, 37% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileYes · 49% of these records are
  • Graduated2019 · median 2019 among the 7,239 with a school on file
  • Record last updated2023 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

8 family nurse practitioner records list a practice address in Lancaster

They are 8 of the 284 NPPES records with a practice address in Lancaster, and 14,805 family nurse practitioner records in New York.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Hollyanne Bly, DNPLancaster, NY 140861942787098
  2. Kara Good, ARNPLancaster, NY 140861588946768
  3. Carrie Lodestro, FNPLancaster, NY 140861366801698
  4. Sandra Moreno, NPLancaster, NY 140861326069766
  5. Jessica Pfeifer, FNPLancaster, NY 140861659949089
  6. Megan TuberdykeLancaster, NY 140861154298438
  7. Cara Whittingham, FNPLancaster, NY 140861730603598
  8. Karen Pellicore, FNP-BCLake View, NY 140851366498511

Common questions

What is Christien Eileen Olewniczak, NURSE PRACTITIONER's NPI number?

Christien Eileen Olewniczak, NURSE PRACTITIONER's National Provider Identifier (NPI) is 1609498658, issued on May 13, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Christien Eileen Olewniczak, NURSE PRACTITIONER located?

The NPPES record lists a practice address at 3592 Walden Ave Apt 3, Lancaster, NY, 14086. Phone: (716) 572-5946. Providers update this record themselves, so call before visiting.

How can I verify Christien Eileen Olewniczak, NURSE PRACTITIONER's license?

NPPES lists New York license number F345430-01, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

How much does Christien Eileen Olewniczak, NURSE PRACTITIONER prescribe under Medicare Part D?

In 2024, Christien Eileen Olewniczak, NURSE PRACTITIONER had 5,063 Medicare Part D claims for 417 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.