NPPES file of Aug 9, 2026

Daniel S. Petersen, MD

Sleep Medicine (Family Medicine) Physician · Fitchburg, WI

Daniel S. Petersen, MD is a sleep medicine (family medicine) physician with a practice address in Fitchburg, Wisconsin, and NPI 1578049763, issued on Jul 11, 2018. Check the license (Wisconsin 77190-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1578049763
Name
Daniel S. Petersen
Credential
MD
Primary taxonomy
Sleep Medicine (Family Medicine) Physician 207QS1201X
License numbers
77190-20 WI
125.073406 IL
Self-reported in NPPES; status is on the state search
Practice location
2844 Index RD, Fitchburg, WI 53713
Phone
(608) 229-7979
Enumerated
Jul 11, 2018
Record last updated
Aug 3, 2022
Fax
(608) 229-8110
Medicaid ID
1578049763 WI
Medicare enrollment
Enrolled (PECOS I20220817000326); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2844 Index RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ewa Alexander, MDSleep Medicine (Internal Medicine) Physician1609092584
  2. Joseph Crisalli, M.D.Sleep Medicine (Internal Medicine) Physician1417987736
  3. William Donovan, MDSleep Medicine (Internal Medicine) Physician1972556827
  4. Megan Galske, APNPNurse Practitioner1073022356
  5. Harrison Gimbel, MDSleep Medicine (Internal Medicine) Physician1184042723
  6. Tanya Guntly, PA-CPhysician Assistant1932147857

Verify Daniel S. Petersen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 77190-20
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Wisconsin license search

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53% fewer Medicare Part D claims than the average sleep medicine (family medicine) physician in 2024

339 Medicare Part D claims for 80 beneficiaries, against an average of 718 among the 211 providers of this specialty who prescribed in Part D.

  1. Daniel Petersen339
  2. Specialty average718

Most prescribed

  1. Zolpidem Tartrate61 claims
  2. Gabapentin32 claims
  3. Modafinil27 claims
  4. Fluticasone Propionate22 claims
  5. Dextroamphetamine-Amphetamine20 claims
  6. Ropinirole Hcl20 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

  1. Dean Health Systems IncFitchburg, WI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Sleep Medicine (Family Medicine) Physician providers in Wisconsin

There are 8 sleep medicine (family medicine) physician records in Wisconsin.

The 7 sleep medicine (family medicine) physician records with the nearest ZIP codes

  1. Rachna Tiwari, M.D.Madison, WI 537111699905679
  2. Andrew Clithero, D.O.Milwaukee, WI 532261639528037
  3. Andrzej Kurek, MDSturgeon Bay, WI 542351477710036
  4. Brittany Meyer, MDDelafield, WI 530181922442722
  5. Jose Pareja ZabalaDelafield, WI 530181407389414
  6. Rebekah Van Erp, NURSE PRACTITIONERMarshfield, WI 544491356916654
  7. Eric Newgent, D.O.Berlin, WI 549231942201967

Common questions

What is Daniel S. Petersen, MD's NPI number?

Daniel S. Petersen, MD's National Provider Identifier (NPI) is 1578049763, issued on Jul 11, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Daniel S. Petersen, MD located?

The NPPES record lists a practice address at 2844 Index RD, Fitchburg, WI, 53713. Phone: (608) 229-7979. Providers update this record themselves, so call before visiting.

How can I verify Daniel S. Petersen, MD's license?

NPPES lists Wisconsin license number 77190-20, 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 Daniel S. Petersen, MD prescribe under Medicare Part D?

In 2024, Daniel S. Petersen, MD had 339 Medicare Part D claims for 80 beneficiaries; the average among sleep medicine (family medicine) physician prescribers was 718. 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.