NPPES file of Aug 9, 2026

Nazi S. Khan, MD

Sleep Medicine (Internal Medicine) Physician · Columbus, WI

Nazi S. Khan, MD is a sleep medicine (internal medicine) physician with a practice address in Columbus, Wisconsin, and NPI 1225004245, issued on Feb 28, 2006. Check the license (Wisconsin 31654, 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
1225004245
Name
Nazi S. Khan
Credential
MD
Primary taxonomy
Sleep Medicine (Internal Medicine) Physician 207RS0012X
License number
31654 WI
Self-reported in NPPES; status is on the state search
Practice location
1511 Park Ave, Columbus, WI 53925
Phone
(920) 623-5226
Enumerated
Feb 28, 2006
Record last updated
Mar 10, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(920) 623-5252
Medicare enrollment
Enrolled (PECOS I20040211000828); 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 1511 Park Ave

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

  1. John Bohn, M.D.Pediatrics Physician1346776523
  2. Dawn Faust, APRN, BCAdult Health Nurse Practitioner1831384874
  3. Heidi Hughes, PA-CMedical Physician Assistant1548209695
  4. Katelyn Knapp, RDNRegistered Dietitian1063059558
  5. Elizabeth Larson, MDFamily Medicine Physician1912141433
  6. Thomas Mitchell, MDFamily Medicine Physician1891764114

Verify Nazi S. Khan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 31654
    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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8% more Medicare Part D claims than the average sleep medicine (internal medicine) physician in 2024

634 Medicare Part D claims for 84 beneficiaries, against an average of 585 among the 852 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 143 claims were for opioids.

  1. Nazi Khan634
  2. Specialty average585

Most prescribed

  1. Gabapentin130 claims
  2. Methadone Hcl108 claims
  3. Clonazepam90 claims
  4. Neupro74 claims
  5. Zolpidem Tartrate32 claims
  6. Modafinil25 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. University OF Wisconsin Medical Foundation IncMonona, WI

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

Sleep Medicine (Internal Medicine) Physician providers in Wisconsin

There are 27 sleep medicine (internal medicine) physician records in Wisconsin.

Other sleep medicine (internal medicine) physician records in Wisconsin

  1. Kabir Ahmed, M.D.Fond Du Lac, WI1528325891
  2. Ewa Alexander, MDFitchburg, WI1609092584
  3. Rajesh Balagani, DOJanesville, WI1477754927
  4. Steven Barczi, MDMadison, WI1730156761
  5. Quinn Bongers, MDMadison, WI1073133757
  6. Kenneth Casey, MDMadison, WI1952384703
  7. Medhavani Chandra, MDMadison, WI1003428343
  8. Shane Creado, M.D.Madison, WI1578829230
  9. Joseph Crisalli, M.D.Fitchburg, WI1417987736
  10. William Donovan, MDFitchburg, WI1972556827

Common questions

What is Nazi S. Khan, MD's NPI number?

Nazi S. Khan, MD's National Provider Identifier (NPI) is 1225004245, issued on Feb 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Nazi S. Khan, MD located?

The NPPES record lists a practice address at 1511 Park Ave, Columbus, WI, 53925. Phone: (920) 623-5226. Providers update this record themselves, so call before visiting.

How can I verify Nazi S. Khan, MD's license?

NPPES lists Wisconsin license number 31654, 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 Nazi S. Khan, MD prescribe under Medicare Part D?

In 2024, Nazi S. Khan, MD had 634 Medicare Part D claims for 84 beneficiaries; the average among sleep medicine (internal medicine) physician prescribers was 585. 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.