Tam M. Diep, DO
Emergency Medicine Physician · Appleton, WI
Tam M. Diep, DO is an emergency medicine physician with a practice address in Appleton, Wisconsin, and NPI 1467013995, issued on Jun 25, 2019. Check the license (Wisconsin 22337-875, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Tam M. Diep
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 22337-875 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1818 N Meade St, Appleton, WI 54911
- Phone
- (920) 731-4101
- Enumerated
- Jun 25, 2019
- Record last updated
- Jul 22, 2022
- Entity
- Type 1 · individual
Also registered at 1818 N Meade St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mohamed Abdelazim, APNPNurse Practitioner1760266696
- Satish Achanti, MDInternal Medicine Physician1982711198
- Ernesto Acosta, MDObstetrics & Gynecology Physician1386773208
- Abdulmohsin Ahmadjee, M.DCardiovascular Disease Physician1225370802
- Maria Akhutina, MDHospitalist Physician1164652673
- Arshad Al-Mashhadani, MDHospitalist Physician1245771476
Verify Tam M. Diep in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 22337-875Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% more Medicare Part D claims than the average emergency medicine physician in 2024
387 Medicare Part D claims for 254 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 79 claims were for opioids.
Most prescribed
- Cephalexin66 claims
- Hydrocodone-Acetaminophen59 claims
- Ondansetron Odt44 claims
- Prednisone23 claims
- Ciprofloxacin Hcl15 claims
- Oxycodone Hcl14 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.
Emergency Medicine Physician providers in Wisconsin
There are 1,464 emergency medicine physician records in Wisconsin.
Other emergency medicine physician records in Wisconsin
- Hythem Abad, DOPortage, WI1548799455
- Alan Abdulla, D.O.Waukesha, WI1508164419
- Krystyna Abdulla, DONew Berlin, WI1205146578
- Abdulmoniem Abdulmoniem, M.D.Elkhorn, WI1194175042
- Justine Abel, DOEau Claire, WI1861830507
- Michael Abernethy, MDMadison, WI1013972579
- Meinkeng Acha-Morfaw, MDMadison, WI1467934836
- Manish Acharya, M.D.Milwaukee, WI1437129715
- Axel AdamsMadison, WI1366905192
- Eric Adar, MDWauwatosa, WI1255325726
Common questions
What is Tam M. Diep, DO's NPI number?
Tam M. Diep, DO's National Provider Identifier (NPI) is 1467013995, issued on Jun 25, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Tam M. Diep, DO located?
The NPPES record lists a practice address at 1818 N Meade St, Appleton, WI, 54911. Phone: (920) 731-4101. Providers update this record themselves, so call before visiting.
How can I verify Tam M. Diep, DO's license?
NPPES lists Wisconsin license number 22337-875, 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 Tam M. Diep, DO prescribe under Medicare Part D?
In 2024, Tam M. Diep, DO had 387 Medicare Part D claims for 254 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.