Donald F. Switzer, MD
Cardiovascular Disease Physician · Williamsville, NY
Donald F. Switzer, MD is a cardiovascular disease physician with a practice address in Williamsville, New York, and NPI 1326098112, issued on May 11, 2006. Check the license (New York 147557-1, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Donald F. Switzer
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- 147557-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 6333 Main St, Williamsville, NY 14221
- Phone
- (716) 630-1484
- Enumerated
- May 11, 2006
- Record last updated
- Sep 21, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (716) 630-1413
- Medicaid ID
- 01036502 NY
- Medicare enrollment
- Enrolled (PECOS I20100217000005); accepts Medicare assignment
- Medical or professional school
- State University Of New York At Buffalo School Of Medicine, 1980
- Entity
- Type 1 · individual
Also registered at 6333 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ranjan Bhayana, MDCardiovascular Disease Physician1366407173
- Errol Daniels, O.D..Corneal and Contact Management Optometrist1659440345
- Prashula Ellsworth, PHYSICIAN ASSISTANTPhysician Assistant1013922723
- Barry Epstein, MDOphthalmology Physician1760475156
- Heidrun Gollogly, M.D.Ophthalmology Physician1477879823
- Chee Kim, MDCardiovascular Disease Physician1013974245
Verify Donald F. Switzer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 147557-1Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
243 Medicare Part D claims for 82 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.
Most prescribed
- Metoprolol Succinate78 claims
- Eliquis34 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 MIPS final score for 2023 (Medicare payment program): 80.4 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $3,404.60
84 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 16,686 providers of this specialty with any payment received $3,819.56 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
- General Physician PCWilliamsville, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cardiovascular Disease Physician providers in New York
There are 2,583 cardiovascular disease physician records in New York.
Other cardiovascular disease physician records in New York
- Michael Aaron, MDWest Islip, NY1790762623
- Vivian Abascal, MDRichmond Hill, NY1326049909
- Syed Faiz Abbas, MDRochester, NY1316557853
- Joseph Abboud, MDBrooklyn, NY1710168901
- Marwah Abdalla, M.D.New York, NY1437201415
- Mohamed Abdel-Aal Ahmed, M.D.Buffalo, NY1164834776
- Khaled Abdulla, M.D.Orchard Park, NY1811423684
- Abdullah Abdullah, MDRochester, NY1073965042
- Mohammed AbdulrazzaqBrooklyn, NY1871913095
- Saddam Abisse, MDSchenectady, NY1013179944
Common questions
What is Donald F. Switzer, MD's NPI number?
Donald F. Switzer, MD's National Provider Identifier (NPI) is 1326098112, issued on May 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Donald F. Switzer, MD located?
The NPPES record lists a practice address at 6333 Main St, Williamsville, NY, 14221. Phone: (716) 630-1484. Providers update this record themselves, so call before visiting.
How can I verify Donald F. Switzer, MD's license?
NPPES lists New York license number 147557-1, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Donald F. Switzer, MD prescribe under Medicare Part D?
In 2024, Donald F. Switzer, MD had 243 Medicare Part D claims for 82 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
What is Donald F. Switzer, MD's MIPS final score?
The 2023 MIPS final score is 80.4 of 100. 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.