Michael D. Tworkowski, PA

  • Buffalo, NY
  • Physician assistant
NPI1174939425PAC ID1658599816
Medicare services, 2024
61
Medicare patients, 2024
46
Part D claims, 2024
483
Industry payments
$1,136
Affiliated sites
3
Practice address
50 George Karl Blvd, Williamsville, NY 14221
Practice phone
Call (716) 929-9502
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Atlas Surgery Center - Williamsville

Surgery Center - Medicare-Certified · Williamsville, New York

See all 6 affiliations

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Michael D. Tworkowski is a physician assistant in Buffalo, New York

Michael Tworkowski practices at Atlas Surgery Center - Williamsville in Williamsville, New York.

Michael Tworkowski's NPI, 1174939425, was assigned on July 8, 2014. Michael Tworkowski holds New York license 017678.

NPI and contact details
Medicare PAC ID
1658599816
NPI enumeration date
July 8, 2014
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(716) 929-9502
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
38
Medical school graduation
2014

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

Michael D. Tworkowski practices in Williamsville and Buffalo

Michael Tworkowski's primary practice is Atlas Surgery Center - Williamsville, at 50 George Karl Blvd, Williamsville, NY 14221. The practice phone is (716) 929-9502. Michael Tworkowski also practices at Wehrle Drive ASC LLC, 35 George Karl Blvd, Buffalo, NY 14221.

  • Atlas Surgery Center - WilliamsvillePrimary
    50 George Karl Blvd, Williamsville, NY 14221Phone(716) 929-9502
  • Wehrle Drive ASC LLC
    35 George Karl Blvd, Buffalo, NY 14221 · Erie CountyPhone(716) 218-1000

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

Michael D. Tworkowski is affiliated with 3 sites of care and 3 medical groups

Michael Tworkowski's primary practice is Atlas Surgery Center - Williamsville in Williamsville, New York. The medical group on file is University at Buffalo Neurosurgery (UBNS). Dmand AI also links Michael Tworkowski to 2 more group practices and clinics and 2 medical groups, each named with a free account.

See all 6 affiliations for Michael Tworkowski

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Michael D. Tworkowski's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Michael Tworkowski practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Atlas Surgery Center - WilliamsvilleAvailable with a free account
+2 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Michael D. Tworkowski is one of 11,456 physician assistants in New York

Physician assistant is Michael Tworkowski's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Michael Tworkowski is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). Michael Tworkowski is licensed in New York.

Specialties and state licenses

  • Physician assistant, New YorkPrimaryLicense 017678 · taxonomy 363A00000X

Clinical focus

Dmand AI lists bursitis, fibromyalgia and chronic pain, joint pain, lower back pain, muscle pain, fibromyalgia, and limb pain, neck pain and spine problems, neuropathy and thoracic spine disorders among the conditions Michael Tworkowski treats.

Physician assistants near Michael Tworkowski

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

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

Michael D. Tworkowski billed Medicare for 61 services in 2024

CMS data shows 61 Medicare services from Michael Tworkowski across 2 procedure codes in 2024, all of them office visits, for 46 Medicare patients. Medicare paid $3,462 for them. Every service was in an office.

Medicare services, 202461
Medicare patients46
Paid by Medicare$3,462
Procedure codes2

Michael Tworkowski compared with the New York median for physician assistants, 2024

  • Michael Tworkowski
  • New York median
Medicare services
61vs 17665% below
Medicare patients
46vs 7841% below
Part D claims
433vs 24577% above

Medians across 6,477 physician assistants in New York with Dmand AI profiles that report each measure.

Michael Tworkowski'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 Michael Tworkowski

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

Michael D. Tworkowski treated 46 Medicare patients in 2024, average age 73

CMS counts 46 Medicare patients who saw Michael Tworkowski in 2024. The largest group is 65 to 74, with 26 patients. 75% of them have arthritis, and 75% have high cholesterol. Their average risk score is 1.31, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Michael Tworkowski's median patient age at 62, with 57% women.

Medicare patients, 202446
Average age73
Average risk score1.31

Michael Tworkowski's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Michael Tworkowski's Medicare patients by sex, 2024

  • Women2963%
  • Men1737%

Chronic conditions among Michael Tworkowski's Medicare patients, 2024

  1. Arthritis75%
  2. High cholesterol75%
  3. High blood pressure74%
  4. Anxiety48%
  5. Mood disorders33%
  6. Depression28%
  7. Chronic kidney disease24%

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

Michael Tworkowski's patients across all payers

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

Patient panel by age, all payers

Median age 62

Patient panel by sex, all payers

  • Women57%
  • Men39%

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

Michael D. Tworkowski wrote 483 Medicare Part D claims in 2024

In 2024, Michael Tworkowski wrote 483 Medicare Part D claims for 154 patients. 97% of them were for generic drugs. CMS names the drug for 433 of them, across 12 drugs with 11 or more claims each, at $8,456 in total drug cost.

Part D claims, 2024483
Drugs named by CMS12
Total drug cost$8,456
Part D patients154

Michael Tworkowski's Part D claims by kind of drug, 2024

  • Generic470 claims97%
  • Brand-name13 claims3%

Michael Tworkowski'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 Michael Tworkowski's Part D claims, 2024

  • Opioids6%27 of 483 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 Michael Tworkowski

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

How Michael D. Tworkowski takes part in Medicare

Michael Tworkowski accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

For MedTech and pharma teams

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Michael D. Tworkowski received $1,136 in industry payments in 2025

CMS Open Payments shows 22 general payments to Michael Tworkowski from 6 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Abbott Laboratories paid the most, $538.

Companies that paid Michael Tworkowski the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Michael Tworkowski

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

Michael D. Tworkowski is board certified in certified physician assistant

  1. Board certified in certified physician assistantNational Commission on Certification of Physician Assistants (NCCPA)

Source: Dmand AI Professional Profile Data

Sources for Michael D. Tworkowski'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 Affiliation DataDmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy 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)
Training, board certification and membershipsDmand AI Professional Profile Data
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 Michael D. Tworkowski

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

What is Michael D. Tworkowski's NPI number?

Michael D. Tworkowski's NPI number is 1174939425. It was assigned on July 8, 2014, and it is active in the NPI Registry.

What does Michael D. Tworkowski specialize in?

Michael D. Tworkowski is a physician assistant in Buffalo, New York. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Michael D. Tworkowski practice?

Michael Tworkowski practices at 50 George Karl Blvd, Williamsville, NY 14221. Michael Tworkowski also practices at 35 George Karl Blvd, Buffalo, NY 14221. Michael Tworkowski's primary practice is Atlas Surgery Center - Williamsville in Williamsville, New York. Dmand AI also links Michael Tworkowski to 2 group practices and clinics and 2 medical groups.

What is Michael D. Tworkowski's office phone number?

The practice phone on file for Michael Tworkowski is (716) 929-9502.

What is Michael D. Tworkowski's medical license number?

Michael Tworkowski holds New York license 017678.

What medical group is Michael D. Tworkowski part of?

Michael Tworkowski is linked to University at Buffalo Neurosurgery (UBNS). Dmand AI links Michael Tworkowski to 2 more medical groups.

Does Michael D. Tworkowski accept Medicare?

Yes. CMS data shows Michael Tworkowski billed Medicare for 61 services in 2024, and Michael Tworkowski accepts Medicare assignment.

How many Medicare patients does Michael D. Tworkowski see?

CMS counts 46 Medicare patients who saw Michael Tworkowski in 2024, with an average age of 73.

Is Michael D. Tworkowski board certified?

Yes. Michael Tworkowski is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).

What services does Michael D. Tworkowski bill to Medicare?

In 2024, Michael Tworkowski's most billed Medicare services were office visit, established patient (99213) and office visit, new patient (99203).

Show 3 more questionsShow fewer questions

What drugs does Michael D. Tworkowski prescribe most?

In 2024 Medicare Part D data, Michael Tworkowski's most prescribed drugs by claims were Gabapentin, Pregabalin and Baclofen.

Has Michael D. Tworkowski received payments from drug or device companies?

CMS Open Payments shows $1,136 in general payments to Michael Tworkowski from 6 companies from 2025 to 2025. The largest total came from Abbott Laboratories.

How long has Michael D. Tworkowski been practicing?

Michael Tworkowski graduated from medical school in 2014, 12 years ago.

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