Timothy Gerard McAvoy, MD
Internal Medicine Physician · Waukesha, WI
Timothy Gerard McAvoy, MD is an internal medicine physician with a practice address in Waukesha, Wisconsin, and NPI 1396792255, issued on May 27, 2006. Check the license (Wisconsin 22122, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Timothy Gerard McAvoy
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 22122 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1751 E Main St, Waukesha, WI 53186
- Phone
- (262) 547-0000
- Enumerated
- May 27, 2006
- Record last updated
- Dec 28, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (262) 547-0157
- Medicare enrollment
- Enrolled (PECOS I20120111000945); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 1973
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,078 in Wisconsin → Look up another NPI →
Also registered at 1751 E Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amanda Weber, APNPAdult Health Nurse Practitioner1093207094
Verify Timothy Gerard McAvoy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 22122Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,366 Medicare Part D claims for 297 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 41 claims were for opioids.
Most prescribed
- Levothyroxine Sodium154 claims
- Atorvastatin Calcium141 claims
- Metoprolol Succinate100 claims
- Allopurinol98 claims
- Lisinopril82 claims
- Pantoprazole Sodium81 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.
Bills Medicare through 2 group practices
- Presbyterian Homes OF Wisconsin IncWaukesha, WI
- Timothy G Mcavoy MD SCWaukesha, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Timothy Gerard McAvoy among 2,078 internal medicine physician records in Wisconsin
Timothy Gerard McAvoy, MD is one of 2,078 internal medicine physician records with a practice address in Wisconsin. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 46% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1973 · median 2002 among the 1,098 with a school on file
- Record last updated2009 · 55% 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 Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
42 internal medicine physician records list a practice address in Waukesha
They are 42 of the 2,814 NPPES records with a practice address in Waukesha, and 2,078 internal medicine physician records in Wisconsin.
All 2,078 in Wisconsin → Every provider in Waukesha → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Margaret BarrettWaukesha, WI 531861912161647
- Bruce Berry, M.D.Waukesha, WI 531861710065230
- Cassandra Edwards, DOWaukesha, WI 531861598027203
- Melissa Kalt, MDWaukesha, WI 531861326011701
- Kieran McAvoy, MDWaukesha, WI 531861316407372
- Surendra Patel, M.D.Waukesha, WI 531861265748404
- Roman Pyasta, MDWaukesha, WI 531861487607115
- Rajan Regmi, MDWaukesha, WI 531861447413570
Common questions
What is Timothy Gerard McAvoy, MD's NPI number?
Timothy Gerard McAvoy, MD's National Provider Identifier (NPI) is 1396792255, issued on May 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Timothy Gerard McAvoy, MD located?
The NPPES record lists a practice address at 1751 E Main St, Waukesha, WI, 53186. Phone: (262) 547-0000. Providers update this record themselves, so call before visiting.
How can I verify Timothy Gerard McAvoy, MD's license?
NPPES lists Wisconsin license number 22122, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Timothy Gerard McAvoy, MD prescribe under Medicare Part D?
In 2024, Timothy Gerard McAvoy, MD had 2,366 Medicare Part D claims for 297 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.