Stephanie Kowalski, PA-C
Medical Physician Assistant · Amherst, NY
Stephanie Kowalski, PA-C is a medical physician assistant with a practice address in Amherst, New York, and NPI 1346566817, issued on Apr 8, 2010. Check the license with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Stephanie Kowalski
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- PA20870 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3980 Sheridan Dr Ste 300, Amherst, NY 14226
- Phone
- (716) 250-2000
- Enumerated
- Apr 8, 2010
- Record last updated
- Aug 7, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (716) 250-2040
- Medicare enrollment
- Enrolled (PECOS I20181019002309); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 3,670 in New York → Look up another NPI →
Also registered at 3980 Sheridan Dr Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ashraf Henry, M.D.Pain Medicine (Anesthesiology) Physician1033147400
Verify Stephanie Kowalski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.1 times the Medicare Part D claims of the average medical physician assistant in 2024
5,909 Medicare Part D claims for 859 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 4,121 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen1,635 claims
- Oxycodone Hcl623 claims
- Oxycodone-Acetaminophen556 claims
- Gabapentin433 claims
- Morphine Sulfate Er320 claims
- Pregabalin289 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 85.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,900.60
114 payments; by number, the most common kind was food and beverage; the largest payer was Collegium Pharmaceutical, Inc. The 16,165 providers of this specialty with any payment received $1,055.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Dent Neurologic Group LLPAmherst, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephanie Kowalski among 3,670 medical physician assistant records in New York
Stephanie Kowalski, PA-C is one of 3,670 medical physician assistant records with a practice address in New York. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 39% of them.
- NPI issued2010 · 39% of these records are older, 57% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 49% of these records are
- Graduated2009 · median 2014 among the 1,802 with a school on file
- Record last updated2018 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
25 medical physician assistant records list a practice address in Amherst
They are 25 of the 1,741 NPPES records with a practice address in Amherst, and 3,670 medical physician assistant records in New York.
All 3,670 in New York → Every provider in Amherst → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Melissa Aduddle, RPA-CAmherst, NY 142261588783617
- Kerenza Anderson, PAAmherst, NY 142261790074011
- Carol Calhoun, RPA-CAmherst, NY 142261932197514
- Melissa Desouza, RPA-CAmherst, NY 142261376831594
- Melissa Hasselbeck, PA-CAmherst, NY 142261285092098
- Karly Kozlowski, PAAmherst, NY 142261437309085
- Lisa Lewis, RPACAmherst, NY 142261174511778
- Frances Noble, RPA-C , CDEAmherst, NY 142261548289358
Common questions
What is Stephanie Kowalski, PA-C's NPI number?
Stephanie Kowalski, PA-C's National Provider Identifier (NPI) is 1346566817, issued on Apr 8, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Stephanie Kowalski, PA-C located?
The NPPES record lists a practice address at 3980 Sheridan Dr Ste 300, Amherst, NY, 14226. Phone: (716) 250-2000. Providers update this record themselves, so call before visiting.
How can I verify Stephanie Kowalski, PA-C's license?
Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Stephanie Kowalski, PA-C prescribe under Medicare Part D?
In 2024, Stephanie Kowalski, PA-C had 5,909 Medicare Part D claims for 859 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.
What is Stephanie Kowalski, PA-C's MIPS final score?
The 2023 MIPS final score is 85.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.