NPPES file of Aug 9, 2026

Kathryn Sarah Marcus, MD

Otolaryngology Physician · Minneapolis, MN

Kathryn Sarah Marcus, MD is an otolaryngology physician with a practice address in Minneapolis, Minnesota, and NPI 1730763723, issued on May 6, 2021. Check the license (Minnesota 83187, as entered in NPPES) on the Minnesota Board of Medical Practice; 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
1730763723
Name
Kathryn Sarah Marcus
Credential
MD
Primary taxonomy
Otolaryngology Physician 207Y00000X
License number
83187 MN
Self-reported in NPPES; status is on the state search
Practice location
2525 Chicago Ave, Minneapolis, MN 55404
Phone
(952) 992-5640
Enumerated
May 6, 2021
Record last updated
Jul 22, 2026
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2525 Chicago Ave

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

  1. Qamar AbdiClinical Social Worker1922806652
  2. Mike Abdulhadi, MDPediatric Radiology Physician1154521342
  3. Aisha Ahmed, PA-CPhysician Assistant1619600038
  4. Nicole Alcorn, ARNPPediatric Nurse Practitioner1124796172
  5. Heather AldenClinical Social Worker1740779859
  6. Diane Alexander, RPHPharmacist1043375579

Verify Kathryn Sarah Marcus in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMinnesota Board of Medical Practice
    Search for license 83187
    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 Minnesota license search

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89% fewer Medicare Part D claims than the average otolaryngology physician in 2024

58 Medicare Part D claims for 35 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. 18 claims were for opioids.

  1. Kathryn Marcus58
  2. Specialty average541

Most prescribed

  1. Oxycodone Hcl18 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.

Kathryn Sarah Marcus among 221 otolaryngology physician records in Minnesota

Kathryn Sarah Marcus, MD is one of 221 otolaryngology physician records with a practice address in Minnesota. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 95% of them.

  • NPI issued2021 · 95% of these records are older, 3% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileNo · 70% of these records are
  • Record last updated2026 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Otolaryngology Physician providers in Minnesota

There are 221 otolaryngology physician records in Minnesota.

The 8 otolaryngology physician records with the nearest ZIP codes

  1. Gregory Barth, M.D.Minneapolis, MN 554041184625659
  2. Merrill Biel, M.D.Minneapolis, MN 554041821099342
  3. Thomas Christiansen, M.D.Minneapolis, MN 554041316949357
  4. Karin Evan, M.D.Minneapolis, MN 554041508867003
  5. Matthew Griebie, M.D.Minneapolis, MN 554041275525305
  6. Nissim Khabie, M.D.Minneapolis, MN 554041851393839
  7. Jeffrey Manlove, M.D.Minneapolis, MN 554041003808049
  8. Darren McDonald, M.D.Minneapolis, MN 554041700863982

Common questions

What is Kathryn Sarah Marcus, MD's NPI number?

Kathryn Sarah Marcus, MD's National Provider Identifier (NPI) is 1730763723, issued on May 6, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Kathryn Sarah Marcus, MD located?

The NPPES record lists a practice address at 2525 Chicago Ave, Minneapolis, MN, 55404. Phone: (952) 992-5640. Providers update this record themselves, so call before visiting.

How can I verify Kathryn Sarah Marcus, MD's license?

NPPES lists Minnesota license number 83187, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Kathryn Sarah Marcus, MD prescribe under Medicare Part D?

In 2024, Kathryn Sarah Marcus, MD had 58 Medicare Part D claims for 35 beneficiaries; the average among otolaryngology physician prescribers was 541. 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.