Katherine M. Shanahan

  • Hamburg, NY
  • Physician assistant
NPI1346808383PAC ID5294064648
Medicare services, 2024
257
Medicare patients, 2024
158
Part D claims, 2024
2,540
Hospital affiliations
3
Industry payments
$1,267
Practice address
5844 Southwestern Blvd, Hamburg, NY 14075
Practice phone
Call (716) 348-2759
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Premier Ambulatory Surgery Center

Hamburg, New York

See all 8 affiliations

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Katherine M. Shanahan is a physician assistant in Hamburg, New York

Katherine Shanahan practices at Premier Ambulatory Surgery Center in Hamburg, New York.

Katherine Shanahan's NPI, 1346808383, was assigned on June 4, 2019.

NPI and contact details
Medicare PAC ID
5294064648
NPI enumeration date
June 4, 2019
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(716) 348-2759
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Female
Estimated age
33
Medical school graduation
2019

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Katherine M. Shanahan practices at Premier Ambulatory Surgery Center in Hamburg, New York

Katherine Shanahan's primary practice is Premier Ambulatory Surgery Center, at 5844 Southwestern Blvd, Hamburg, NY 14075 in Erie County. The practice phone is (716) 348-2759.

  • Premier Ambulatory Surgery Center
    5844 Southwestern Blvd, Hamburg, NY 14075 · Erie CountyPhone(716) 348-2759

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Katherine M. Shanahan is affiliated with 6 sites of care and 2 medical groups

Katherine Shanahan's primary practice is Premier Ambulatory Surgery Center in Hamburg, New York. Katherine Shanahan is also affiliated with Buffalo General Medical Center/Gates Vascular Institute. The medical group on file is General Physician. Dmand AI also links Katherine Shanahan to 2 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account.

See all 8 affiliations for Katherine Shanahan

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Katherine M. Shanahan's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Katherine Shanahan practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Premier Ambulatory Surgery CenterAvailable with a free account
+5 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Katherine M. Shanahan is one of 2,670 physician assistants in New York

Medical is Katherine Shanahan's primary specialty in the NPI Registry, under taxonomy code 363AM0700X. Katherine Shanahan has a license on file in New York.

Specialties and state licenses

  • Medical physician assistant, New Yorktaxonomy 363AM0700X

Clinical focus

Dmand AI lists chronic indigestion, gastroenteritis and yeast infection among the conditions Katherine Shanahan treats.

Physician assistants near Katherine Shanahan

Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.

2,670physician assistants in New York
4physician assistants in Hamburg

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Katherine M. Shanahan billed Medicare for 257 services in 2024

CMS data shows 257 Medicare services from Katherine Shanahan across 3 procedure codes in 2024, all of them office visits, for 158 Medicare patients. Medicare paid $16,060 for them. Every service was in an office.

Medicare services, 2024257
Medicare patients158
Paid by Medicare$16,060
Procedure codes3

Katherine Shanahan compared with the New York median for physician assistants, 2024

  • Katherine Shanahan
  • New York median
Medicare services
257vs 19432% above
Medicare patients
158vs 8880% above
Part D claims
2,337vs 4734.9 times

Medians across 1,670 physician assistants in New York with Dmand AI profiles that report each measure.

Katherine Shanahan's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Katherine Shanahan

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Katherine M. Shanahan treated 158 Medicare patients in 2024, average age 65

CMS counts 158 Medicare patients who saw Katherine Shanahan in 2024. The largest group is 65 to 74, with 67 patients. 75% of them have high cholesterol, and 70% have high blood pressure. 34% are also on Medicaid. Their average risk score is 1.75, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Katherine Shanahan's median patient age at 60, with 66% women.

Medicare patients, 2024158
Average age65
Average risk score1.75
Also on Medicaid34%

Katherine Shanahan's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Katherine Shanahan's Medicare patients by sex, 2024

  • Women9158%
  • Men6742%

Chronic conditions among Katherine Shanahan's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure70%
  3. Anxiety45%
  4. Arthritis44%
  5. Mood disorders41%
  6. Depression34%
  7. Chronic kidney disease33%
  8. Ischemic heart disease29%

Share of Medicare patients with each condition. A patient can have several.

Katherine Shanahan's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 60

Patient panel by sex, all payers

  • Women66%
  • Men33%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Katherine M. Shanahan wrote 2,540 Medicare Part D claims in 2024

In 2024, Katherine Shanahan wrote 2,540 Medicare Part D claims for 475 patients. 83% of them were for generic drugs. CMS names the drug for 2,337 of them, across 42 drugs with 11 or more claims each, at $1,159,970 in total drug cost.

Part D claims, 20242,540
Drugs named by CMS42
Total drug cost$1.2M
Part D patients475

Katherine Shanahan's Part D claims by kind of drug, 2024

  • Generic2,112 claims83%
  • Brand-name428 claims17%

Katherine Shanahan's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Katherine Shanahan's Part D claims, 2024

  • Antibiotics4%93 of 2,540 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

See all prescribing by Katherine Shanahan

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Katherine M. Shanahan offers telehealth to Medicare patients

Katherine Shanahan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Katherine Shanahan as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

For MedTech and pharma teams

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Katherine M. Shanahan received $1,267 in industry payments in 2025

CMS Open Payments shows 99 general payments to Katherine Shanahan from 6 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Bausch Health Americas, Inc. paid the most, $403.

Companies that paid Katherine Shanahan the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Katherine Shanahan

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Katherine M. Shanahan's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Katherine M. Shanahan

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Katherine M. Shanahan's NPI number?

Katherine M. Shanahan's NPI number is 1346808383. It was assigned on June 4, 2019, and it is active in the NPI Registry.

What does Katherine M. Shanahan specialize in?

Katherine M. Shanahan is a physician assistant in Hamburg, New York. The primary specialty in the NPI Registry is Medical Physician Assistant (taxonomy code 363AM0700X).

Where does Katherine M. Shanahan practice?

Katherine Shanahan practices at 5844 Southwestern Blvd, Hamburg, NY 14075. Katherine Shanahan's primary practice is Premier Ambulatory Surgery Center in Hamburg, New York. Dmand AI also links Katherine Shanahan to 2 hospitals, 2 group practices and clinics and 1 medical group.

What is Katherine M. Shanahan's office phone number?

The practice phone on file for Katherine Shanahan is (716) 348-2759.

Which hospitals is Katherine M. Shanahan affiliated with?

Katherine Shanahan is affiliated with Buffalo General Medical Center/Gates Vascular Institute. Dmand AI links Katherine Shanahan to 2 more hospitals.

What medical group is Katherine M. Shanahan part of?

Katherine Shanahan is linked to General Physician. Dmand AI links Katherine Shanahan to 1 more medical group.

Does Katherine M. Shanahan accept Medicare?

Yes. CMS data shows Katherine Shanahan billed Medicare for 257 services in 2024, and Katherine Shanahan accepts Medicare assignment.

Does Katherine M. Shanahan offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Katherine Shanahan as offering telehealth services.

How many Medicare patients does Katherine M. Shanahan see?

CMS counts 158 Medicare patients who saw Katherine Shanahan in 2024, with an average age of 65.

What services does Katherine M. Shanahan bill to Medicare?

In 2024, Katherine Shanahan's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and office visit, new patient (99204).

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What drugs does Katherine M. Shanahan prescribe most?

In 2024 Medicare Part D data, Katherine Shanahan's most prescribed drugs by claims were Famotidine, Omeprazole and Pantoprazole Sodium.

Has Katherine M. Shanahan received payments from drug or device companies?

CMS Open Payments shows $1,267 in general payments to Katherine Shanahan from 6 companies from 2025 to 2025. The largest total came from Bausch Health Americas, Inc.

How long has Katherine M. Shanahan been practicing?

Katherine Shanahan graduated from medical school in 2019, 7 years ago.

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