David M. Letzer, MD
Infectious Disease Physician · Brookfield, WI
David M. Letzer, MD is an infectious disease physician with a practice address in Brookfield, Wisconsin, and NPI 1255382529, issued on May 12, 2006. Check the license (Wisconsin 30311-021, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- David M. Letzer
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- 30311-021 WI
Self-reported in NPPES; status is on the state search - Practice location
- 150 S Sunny Slope RD Ste 136, Brookfield, WI 53005
- Phone
- (262) 786-4550
- Enumerated
- May 12, 2006
- Record last updated
- Jan 23, 2025
- Fax
- (262) 786-4552
- Medicaid ID
- 30049800 WI
- Medicare enrollment
- Enrolled (PECOS I20040122000572); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Osteopathic Medicine, 1985
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 150 S Sunny Slope RD Ste 136
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kathleen Barta, PA-CPhysician Assistant1720038292
- Peter Collins, PAPhysician Assistant1710691100
- Jennifer Hong, DOInfectious Disease Physician1033658232
- Jaclyn Lucas, MPAS, PA-CMedical Physician Assistant1801200167
- Sarah StinskiMedical Physician Assistant1306421508
- Lauren Sweeney, PA-CPhysician Assistant1447592928
Verify David M. Letzer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 30311-021Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% more Medicare Part D claims than the average infectious disease physician in 2024
1,316 Medicare Part D claims for 247 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 12 claims were for opioids.
Most prescribed
- Cephalexin115 claims
- Amoxicillin107 claims
- Biktarvy60 claims
- Cefadroxil53 claims
- Doxycycline Monohydrate52 claims
- Vancomycin Hcl51 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: $499.37
30 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 3,895 providers of this specialty with any payment received $4,362.19 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 3 group practices
- Froedtert Andthe Medical College OF Wisconsin Community Physicians IncGermantown, WI
- Infectious Disease Specialists OF SE WI, SCBrookfield, WI
- Thedacare, IncorporatedAppleton, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Infectious Disease Physician providers in Wisconsin
There are 171 infectious disease physician records in Wisconsin.
Other infectious disease physician records in Wisconsin
- Kartikey Acharya, M.D., M.P.H.Milwaukee, WI1023242864
- Adetunji Adejumo, MDGreen Bay, WI1942532528
- William Agger, MDLa Crosse, WI1982607263
- Francisco Aguilar, M.D.Milwaukee, WI1326197831
- Calvin Albrecht, MDMilwaukee, WI1093396640
- Sol Del Mar Aldrete Audiffred, M.D.Milwaukee, WI1396059838
- Claudia Altmann, MDGrafton, WI1386691756
- David Andes, MDMadison, WI1154398857
- Deena Athas, M.D.La Crosse, WI1457526170
- Mirza Omer Baig, M.D.Janesville, WI1285720490
Common questions
What is David M. Letzer, MD's NPI number?
David M. Letzer, MD's National Provider Identifier (NPI) is 1255382529, issued on May 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David M. Letzer, MD located?
The NPPES record lists a practice address at 150 S Sunny Slope RD Ste 136, Brookfield, WI, 53005. Phone: (262) 786-4550. Providers update this record themselves, so call before visiting.
How can I verify David M. Letzer, MD's license?
NPPES lists Wisconsin license number 30311-021, 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 David M. Letzer, MD prescribe under Medicare Part D?
In 2024, David M. Letzer, MD had 1,316 Medicare Part D claims for 247 beneficiaries; the average among infectious disease physician prescribers was 689. 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.