Michael L. Allan, MD
Gastroenterology Physician · Madison, WI
Michael L. Allan, MD is a gastroenterology physician with a practice address in Madison, Wisconsin, and NPI 1558300822, issued on Jun 5, 2006. Check the license (Wisconsin 45234-020, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Michael L. Allan
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 45234-020 WI
Self-reported in NPPES; status is on the state search - Practice location
- 700 S Park St, Madison, WI 53715
- Phone
- (608) 260-2900
- Enumerated
- Jun 5, 2006
- Record last updated
- Oct 27, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (608) 260-2977
- Medicaid IDs
- 34403900 WI
1558300822 WI - Medicare enrollment
- Enrolled (PECOS I20040907001227); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 1997
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 700 S Park St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Axel AdamsEmergency Medicine Physician1366905192
- Muhammad Akbar, MDHospitalist Physician1720096753
- Ibrahim Al-Sanouri, MDPulmonary Disease Physician1356452833
- Clark Albert, MDAnesthesiology Physician1457300634
- Shane Allen, M.D.Emergency Medicine Physician1649478231
- Grace Anbouba, CGCGenetic Counselor (M.S.)1952067910
Verify Michael L. Allan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 45234-020Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% more Medicare Part D claims than the average gastroenterology physician in 2024
1,357 Medicare Part D claims for 581 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Gavilyte-C441 claims
- Omeprazole99 claims
- Azathioprine55 claims
- Pantoprazole Sodium47 claims
- Budesonide Dr39 claims
- Creon36 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
- Dean Health Systems IncMadison, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gastroenterology Physician providers in Wisconsin
There are 340 gastroenterology physician records in Wisconsin.
Other gastroenterology physician records in Wisconsin
- Frank Aberger, MDLa Crosse, WI1396748711
- Mohammad Abuassi, M.D.Milwaukee, WI1275211567
- Kwabena Adu-Gyamfi, MDGreen Bay, WI1154677391
- Aboud Affi, M.D.Milwaukee, WI1003891250
- Dilpesh Agrawal, M.D, MRCPMilwaukee, WI1407134422
- Awais Ahmed, MDOshkosh, WI1316213481
- Trupti Akella, M.D.New Berlin, WI1215321690
- Adebisi Alimi, M.D.Sheboygan, WI1649599317
- Jihad Aljabban, MD, MMSCMadison, WI1699304808
- Jameel Alp, MDMadison, WI1114614153
Common questions
What is Michael L. Allan, MD's NPI number?
Michael L. Allan, MD's National Provider Identifier (NPI) is 1558300822, issued on Jun 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael L. Allan, MD located?
The NPPES record lists a practice address at 700 S Park St, Madison, WI, 53715. Phone: (608) 260-2900. Providers update this record themselves, so call before visiting.
How can I verify Michael L. Allan, MD's license?
NPPES lists Wisconsin license number 45234-020, 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 Michael L. Allan, MD prescribe under Medicare Part D?
In 2024, Michael L. Allan, MD had 1,357 Medicare Part D claims for 581 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.