Mark Frommelt, MD
Critical Care Medicine (Internal Medicine) Physician · Madison, WI
Mark Frommelt, MD is a critical care medicine (internal medicine) physician with a practice address in Madison, Wisconsin, and NPI 1386131225, issued on Apr 17, 2018. Check the license (Wisconsin 72403-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Mark Frommelt
- Credential
- MD
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License numbers
- 72403-20 WI
48475 IA
Self-reported in NPPES; status is on the state search - Practice location
- 202 S Park St, Madison, WI 53715
- Phone
- (608) 417-5950
- Enumerated
- Apr 17, 2018
- Record last updated
- Jul 11, 2024
- Medicare enrollment
- Enrolled (PECOS I20240716000992); accepts Medicare assignment
- Medical or professional school
- University Of Iowa, Rj & L Carver College Of Medicine, 2018
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 134 in Wisconsin → Look up another NPI →
Also registered at 202 S Park St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mark Frommelt in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 72403-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average critical care medicine (internal medicine) physician in 2024
145 Medicare Part D claims for 38 beneficiaries, against an average of 696 among the 2,873 providers of this specialty who prescribed in Part D. Brand-name drugs were 57% of claims.
Most prescribed
- Stiolto Respimat15 claims
- Budesonide-Formoterol Fumarate14 claims
- Albuterol Sulfate Hfa13 claims
- Azithromycin13 claims
- Fluticasone-Salmeterol12 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 one group practice
- University OF Wisconsin Medical Foundation IncMadison, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Frommelt among 134 critical care medicine (internal medicine) physician records in Wisconsin
Mark Frommelt, MD is one of 134 critical care medicine (internal medicine) physician records with a practice address in Wisconsin. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 85% of them.
- NPI issued2018 · 85% of these records are older, 11% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated2018 · median 2008 among the 108 with a school on file
- Record last updated2024 · 32% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Internal Medicine) Physician providers in Wisconsin
There are 134 critical care medicine (internal medicine) physician records in Wisconsin.
All 134 in Wisconsin → Every provider in Madison → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- Matthew Anderson, M.D.Madison, WI 537151285922567
- Tessa Damm, D.O.Madison, WI 537151972524064
- John Davis, MDMadison, WI 537151801450341
- Brian Griffith, M.D.Madison, WI 537151013035310
- Megan Haberlein, M.D.Madison, WI 537151881013092
- Danielle Hallett, M.D.Madison, WI 537151114281862
- Pedro Hernandez Acosta, MDMadison, WI 537151184015612
- Kimberly Johnson, M.D.Madison, WI 537151790149375
Common questions
What is Mark Frommelt, MD's NPI number?
Mark Frommelt, MD's National Provider Identifier (NPI) is 1386131225, issued on Apr 17, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Mark Frommelt, MD located?
The NPPES record lists a practice address at 202 S Park St, Madison, WI, 53715. Phone: (608) 417-5950. Providers update this record themselves, so call before visiting.
How can I verify Mark Frommelt, MD's license?
NPPES lists Wisconsin license number 72403-20, 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 Mark Frommelt, MD prescribe under Medicare Part D?
In 2024, Mark Frommelt, MD had 145 Medicare Part D claims for 38 beneficiaries; the average among critical care medicine (internal medicine) physician prescribers was 696. 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.