Bonnie A. McMichael, M.D.
Internal Medicine Physician · Williamsville, NY
Bonnie A. McMichael, M.D. is an internal medicine physician with a practice address in Williamsville, New York, and NPI 1881692267, issued on Jul 11, 2005. Check the license (New York 191409, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Bonnie A. McMichael
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 191409 NY
Self-reported in NPPES; status is on the state search - Practice location
- 61 Maple RD, Williamsville, NY 14221
- Phone
- (716) 565-1234
- Enumerated
- Jul 11, 2005
- Record last updated
- Jan 31, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (716) 565-1246
- Medicaid ID
- 01843145 NY
- Medicare enrollment
- Enrolled (PECOS I20040311001111); accepts Medicare assignment
- Medical or professional school
- Ohio State University College Of Medicine, 1991
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 61 Maple RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Erika Brown, RPAPhysician Assistant1811944820
- Renee Crooks, PAPhysician Assistant1851771778
- Victoria Grudzinski, PA-CMedical Physician Assistant1124330048
- Patricia Hoffarth, FNPAdult Health Nurse Practitioner1134132970
- Adam Kroe, MDFamily Medicine Physician1669039236
- John Leone, D.O.Internal Medicine Physician1871558825
Verify Bonnie A. McMichael 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 191409Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
44% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,776 Medicare Part D claims for 273 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 61 claims were for opioids.
Most prescribed
- Levothyroxine Sodium88 claims
- Rosuvastatin Calcium72 claims
- Atorvastatin Calcium71 claims
- Amlodipine Besylate62 claims
- Metoprolol Succinate62 claims
- Lisinopril51 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: $401.36
20 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Family Care Physician, P.C.Williamsville, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Bonnie A. McMichael among 12,067 internal medicine physician records in New York
Bonnie A. McMichael, M.D. is one of 12,067 internal medicine physician records with a practice address in New York. 79% 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, 92% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1991 · median 2002 among the 7,221 with a school on file
- Record last updated2018 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
64 internal medicine physician records list a practice address in Williamsville
They are 64 of the 3,530 NPPES records with a practice address in Williamsville, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Williamsville → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- George Burnett, MDWilliamsville, NY 142211679559934
- Jeffrey Burnett, DOWilliamsville, NY 142211346226271
- Lynn Cieslak, M.D.Williamsville, NY 142211518951011
- Peter Elkin, M.D.Williamsville, NY 142211568432656
- Shuman Hua, M.D.Williamsville, NY 142211245219229
- Larisa Meras, M.D.Buffalo, NY 142211962474262
- Margaret Mitchell, M.D.Williamsville, NY 142211477551331
- James Rycyna, MDWilliamsville, NY 142211770556631
Common questions
What is Bonnie A. McMichael, M.D.'s NPI number?
Bonnie A. McMichael, M.D.'s National Provider Identifier (NPI) is 1881692267, issued on Jul 11, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Bonnie A. McMichael, M.D. located?
The NPPES record lists a practice address at 61 Maple RD, Williamsville, NY, 14221. Phone: (716) 565-1234. Providers update this record themselves, so call before visiting.
How can I verify Bonnie A. McMichael, M.D.'s license?
NPPES lists New York license number 191409, 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 Bonnie A. McMichael, M.D. prescribe under Medicare Part D?
In 2024, Bonnie A. McMichael, M.D. had 1,776 Medicare Part D claims for 273 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.