NPPES file of Aug 9, 2026

Wendy A. Callen, RPAC

Surgical Physician Assistant · Amherst, NY

Wendy A. Callen, RPAC is a surgical physician assistant with a practice address in Amherst, New York, and NPI 1609851401, issued on Dec 14, 2005. Check the license (New York 0093671, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1609851401
Name
Wendy A. Callen
Credential
RPAC
Primary taxonomy
Surgical Physician Assistant 363AS0400X
License number
0093671 NY
Self-reported in NPPES; status is on the state search
Practice location
3980 Sheridan Dr, Amherst, NY 14226
Phone
(716) 250-2000
Enumerated
Dec 14, 2005
Record last updated
Feb 14, 2017 (not updated in 9 years: call before relying on the address or phone)
Medicaid ID
02429087 NY
Medicare enrollment
Enrolled (PECOS I20101220000267); 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 3980 Sheridan Dr

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

  1. Karuna Ahuja, M.D.Internal Medicine Physician1669496105
  2. Traci AladeenPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1912496910
  3. Shannon Alessandra, FNPFamily Nurse Practitioner1528834041
  4. Rachel Allen, RPA-CPhysician Assistant1134668908
  5. Shereen Alrashdan, MDPsychiatry Physician1831506229
  6. William Alvarado, PA-CMedical Physician Assistant1831936582

Verify Wendy A. Callen 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 0093671
    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.

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13.5 times the Medicare Part D claims of the average surgical physician assistant in 2024

4,096 Medicare Part D claims for 612 beneficiaries, against an average of 304 among the 10,174 providers of this specialty who prescribed in Part D. 156 claims were for opioids.

  1. Wendy Callen4,096
  2. Specialty average304

Most prescribed

  1. Gabapentin467 claims
  2. Primidone161 claims
  3. Carbidopa-Levodopa152 claims
  4. Pregabalin147 claims
  5. Prednisone134 claims
  6. Baclofen124 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.

  1. Qualityout of 100 · 30% of the final score74.9
  2. Costout of 100 · 30%100.0
  3. Promoting interoperabilityout of 100 · 25%52.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $2,873.70

106 payments; by number, the most common kind was food and beverage; the largest payer was Mdd US Operations, LLC. The 7,578 providers of this specialty with any payment received $703.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Wendy Callen$2,873.70
  2. Specialty average$703.95

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

3 hospitals and group practices

  1. Mercy Hospital OF BuffaloBuffalo, NY · Acute Care Hospitals2 of 5 stars
  2. Mount St. Marys Hospital OF Niagara FallsLewiston, NY
  3. Sisters OF Charity Hospital OF Buffalo New YorkBuffalo, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Wendy A. Callen among 2,152 surgical physician assistant records in New York

Wendy A. Callen, RPAC is one of 2,152 surgical physician assistant records with a practice address in New York. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 98% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2003 · median 2012 among the 1,293 with a school on file
  • Record last updated2017 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AS0400X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgical Physician Assistant providers in New York

There are 2,152 surgical physician assistant records in New York.

The 8 surgical physician assistant records with the nearest ZIP codes

  1. Kristin Bitikofer, PA-CAmherst, NY 142261710904768
  2. Glenn Buczkowski, PA-CAmherst, NY 142261639107196
  3. Christine Ehrensberger, RPA-CAmherst, NY 142261023072162
  4. Tanya Geist, RPA-CAmherst, NY 142261174666945
  5. Jackie KwokAmherst, NY 142261417814286
  6. Ashley Lauricella, PA-CAmherst, NY 142261447802632
  7. Jacqueline SiejkaAmherst, NY 142261508271214
  8. Ryan SkibitskyAmherst, NY 142261932586930

Common questions

What is Wendy A. Callen, RPAC's NPI number?

Wendy A. Callen, RPAC's National Provider Identifier (NPI) is 1609851401, issued on Dec 14, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Wendy A. Callen, RPAC located?

The NPPES record lists a practice address at 3980 Sheridan Dr, Amherst, NY, 14226. Phone: (716) 250-2000. Providers update this record themselves, so call before visiting.

How can I verify Wendy A. Callen, RPAC's license?

NPPES lists New York license number 0093671, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

How much does Wendy A. Callen, RPAC prescribe under Medicare Part D?

In 2024, Wendy A. Callen, RPAC had 4,096 Medicare Part D claims for 612 beneficiaries; the average among surgical physician assistant prescribers was 304. Part D covers Medicare prescriptions only.

What is Wendy A. Callen, RPAC'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.