NPPES file of Aug 9, 2026

Katherine M. Shanahan

Medical Physician Assistant · Williamsville, NY

Katherine M. Shanahan is a medical physician assistant with a practice address in Williamsville, New York, and NPI 1346808383, issued on Jun 4, 2019. Check the license 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
1346808383
Name
Katherine M. Shanahan
Primary taxonomy
Medical Physician Assistant 363AM0700X
Practice location
5225 Sheridan Dr, Williamsville, NY 14221
Phone
(716) 626-2644
Enumerated
Jun 4, 2019
Record last updated
Jun 4, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(716) 626-2660
Medicare enrollment
Enrolled (PECOS I20190910001714); 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.
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Also registered at 5225 Sheridan Dr

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

  1. Molly AndriantsoaSpeech-Language Pathologist1598585960
  2. Kelly CartusMassage Therapist1790153781
  3. James Corasanti, MD, PHDGastroenterology Physician1750347068
  4. Rachel Derenda, LMTSpecialist1477803799
  5. Ann Desotelle, MS PTPhysical Therapist1831220623
  6. Brianna Dobmeier, AUDAudiologist1558887992

Verify Katherine M. Shanahan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this professionCheck 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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2.2 times the Medicare Part D claims of the average medical physician assistant in 2024

2,540 Medicare Part D claims for 475 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.

  1. Katherine Shanahan2,540
  2. Specialty average1,148

Most prescribed

  1. Famotidine456 claims
  2. Omeprazole323 claims
  3. Pantoprazole Sodium313 claims
  4. Dicyclomine Hcl137 claims
  5. Linzess87 claims
  6. Mesalamine74 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: $904.65

61 payments; by number, the most common kind was food and beverage; the largest payer was Salix Pharmaceuticals, a division of Bausch Health US, LLC. 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.

  1. Katherine Shanahan$904.65
  2. Specialty average$1,055.00

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

  1. General Physician PCBuffalo, NY

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

Katherine M. Shanahan among 3,670 medical physician assistant records in New York

Katherine M. Shanahan 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 2019, is newer than 75% of them.

  • NPI issued2019 · 75% of these records are older, 20% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 49% of these records are
  • Graduated2019 · median 2014 among the 1,802 with a school on file
  • Record last updated2019 · 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).

74 medical physician assistant records list a practice address in Williamsville

They are 74 of the 3,530 NPPES records with a practice address in Williamsville, and 3,670 medical physician assistant records in New York.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Alicia Bommersbach, PHYSICIAN ASSISTANTWilliamsville, NY 142211245244516
  2. Pamela Burton, PAWilliamsville, NY 142211669460622
  3. David Dapolito, RPA-CBuffalo, NY 142211386681211
  4. Robyn Emery, RPA-CWilliamsville, NY 142211528023363
  5. Deborah Hamlin, CNPWilliamsville, NY 142211215934294
  6. Michele Lannon, CNPWilliamsville, NY 142211972501609
  7. Susan Nichter, PAWilliamsville, NY 142211700817087
  8. Paul Olizarowicz, RPA-CWilliamsville, NY 142211639128648

Common questions

What is Katherine M. Shanahan's NPI number?

Katherine M. Shanahan's National Provider Identifier (NPI) is 1346808383, issued on Jun 4, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Katherine M. Shanahan located?

The NPPES record lists a practice address at 5225 Sheridan Dr, Williamsville, NY, 14221. Phone: (716) 626-2644. Providers update this record themselves, so call before visiting.

How can I verify Katherine M. Shanahan's license?

Search the New York board that licenses this profession; the NPPES record confirms identity only.

How much does Katherine M. Shanahan prescribe under Medicare Part D?

In 2024, Katherine M. Shanahan had 2,540 Medicare Part D claims for 475 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.