NPPES file of Aug 9, 2026

Erin Cathrine Larkowski, FNP-BC

Family Nurse Practitioner · Orchard Park, NY

Erin Cathrine Larkowski, FNP-BC is a family nurse practitioner with a practice address in Orchard Park, New York, and NPI 1194594515, issued on Dec 27, 2023. Check the license (New York F352741-01, 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
1194594515
Name
Erin Cathrine Larkowski
Credential
FNP-BC
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License numbers
F352741-01 NY
747277 NY
Self-reported in NPPES; status is on the state search
Practice location
3245 Southwestern Blvd, Orchard Park, NY 14127
Phone
(716) 608-2226
Enumerated
Dec 27, 2023
Record last updated
Dec 27, 2023
Fax
(716) 671-8120
Medicare enrollment
Enrolled (PECOS I20240208001371); accepts Medicare assignment
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.
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Also registered at 3245 Southwestern Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Janelle BellagambaNurse Practitioner1477199560
  2. Leslie Lehmann, D.O.Emergency Medicine Physician1801962329

Verify Erin Cathrine Larkowski 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 F352741-01
    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
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72% fewer Medicare Part D claims than the average family nurse practitioner in 2024

362 Medicare Part D claims for 247 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.

  1. Erin Larkowski362
  2. Specialty average1,305

Most prescribed

  1. Amoxicillin-Clavulanate Potass49 claims
  2. Prednisone39 claims
  3. Cephalexin31 claims
  4. Doxycycline Hyclate31 claims
  5. Azithromycin28 claims
  6. Methylprednisolone17 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.

Bills Medicare through one group practice

  1. Wellnow Urgent Care, P.C.Hudson, NY

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

42 family nurse practitioner records list a practice address in Orchard Park

They are 42 of the 1,404 NPPES records with a practice address in Orchard Park, and 14,805 family nurse practitioner records in New York.

Other family nurse practitioner records in New York

  1. Carolyn A'Hearn, NPSyracuse, NY1093435554
  2. Lindsey Aanonsen, FNPStaten Island, NY1386368926
  3. Abigail Aaron, FNPNew York, NY1548125594
  4. Meredith AaronWellsville, NY1699121764
  5. Memoudou Abalola, NPBronx, NY1154580520
  6. Jennifer Abate, FNP-BCNew York, NY1568134732
  7. Karen Abate, PHD, APRN- BC, FNAPNew York, NY1669599585
  8. Tatiana AbayaBronx, NY1366323958
  9. Evilina AbayevaFresh Meadows, NY1932929585
  10. Dalia AbbasRockville Centre, NY1871425363

Common questions

What is Erin Cathrine Larkowski, FNP-BC's NPI number?

Erin Cathrine Larkowski, FNP-BC's National Provider Identifier (NPI) is 1194594515, issued on Dec 27, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Erin Cathrine Larkowski, FNP-BC located?

The NPPES record lists a practice address at 3245 Southwestern Blvd, Orchard Park, NY, 14127. Phone: (716) 608-2226. Providers update this record themselves, so call before visiting.

How can I verify Erin Cathrine Larkowski, FNP-BC's license?

NPPES lists New York license number F352741-01, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

How much does Erin Cathrine Larkowski, FNP-BC prescribe under Medicare Part D?

In 2024, Erin Cathrine Larkowski, FNP-BC had 362 Medicare Part D claims for 247 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.