Katharine Louzek, NP
Psychiatric/Mental Health Nurse Practitioner · Orchard Park, NY
Katharine Louzek, NP is a psychiatric/mental health nurse practitioner with a practice address in Orchard Park, New York, and NPI 1639390586, issued on May 1, 2007. Check the license (New York 402281, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katharine Louzek
- Credential
- NP
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- 402281 NY
Self-reported in NPPES; status is on the state search - Practice location
- 227 Thorn Ave, Orchard Park, NY 14127
- Phone
- (716) 327-5346
- Enumerated
- May 1, 2007
- Record last updated
- Oct 6, 2023
- Medicare enrollment
- Enrolled (PECOS I20210713003908); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 4,129 in New York → Look up another NPI →
Also registered at 227 Thorn Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tahereh ArnoldCounselor1750147633
- David Baker, LCSWRClinical Social Worker1629002290
- Paula Barton, MSCase Manager/Care Coordinator1316579626
- Carly BehmCounselor1134782188
- Zachary BodackCounselor1033751789
- Katherine BuckleyCounselor1669818373
Verify Katharine Louzek in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 402281Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
848 Medicare Part D claims for 35 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Haloperidol Decanoate111 claims
- Clozapine68 claims
- Olanzapine61 claims
- Invega Sustenna44 claims
- Clozapine Odt42 claims
- Benztropine Mesylate38 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
- Erie County South East Corp VBuffalo, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katharine Louzek among 4,129 psychiatric/mental health nurse practitioner records in New York
Katharine Louzek, NP is one of 4,129 psychiatric/mental health 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 2007, is newer than 8% of them.
- NPI issued2007 · 8% of these records are older, 87% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 46% of these records are
- Graduated2017 · median 2021 among the 1,914 with a school on file
- Record last updated2023 · 34% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
17 psychiatric/mental health nurse practitioner records list a practice address in Orchard Park
They are 17 of the 1,404 NPPES records with a practice address in Orchard Park, and 4,129 psychiatric/mental health nurse practitioner records in New York.
All 4,129 in New York → Every provider in Orchard Park → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Nadine Abdellatif, DNP, PMHNPOrchard Park, NY 141271225613615
- Emily AndersonOrchard Park, NY 141271548754567
- Mary Arlow, NPOrchard Park, NY 141271437673134
- Jessica Clark, DNP, PMHNP-BCOrchard Park, NY 141271962054387
- Brenna Fox, PMHNP-BCOrchard Park, NY 141271801300017
- Amy Kotarski, DNPOrchard Park, NY 141271013470350
- Seema LewisOrchard Park, NY 141271538853163
- Joann Liberta, PMHNP-BCOrchard Park, NY 141271205382165
Common questions
What is Katharine Louzek, NP's NPI number?
Katharine Louzek, NP's National Provider Identifier (NPI) is 1639390586, issued on May 1, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Katharine Louzek, NP located?
The NPPES record lists a practice address at 227 Thorn Ave, Orchard Park, NY, 14127. Phone: (716) 327-5346. Providers update this record themselves, so call before visiting.
How can I verify Katharine Louzek, NP's license?
NPPES lists New York license number 402281, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Katharine Louzek, NP prescribe under Medicare Part D?
In 2024, Katharine Louzek, NP had 848 Medicare Part D claims for 35 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. 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.