Registry data as of Aug 27, 2026

Jeffrey Marcus, M.D.

Psychiatry Physician · Chippewa Falls, WI

Jeffrey Marcus, M.D. is a psychiatry physician with a practice address in Chippewa Falls, Wisconsin, and NPI 1821025677, issued on Jun 27, 2006. Check the license (Wisconsin 35610, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1821025677
Name
Jeffrey Marcus
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
35610 WI
Self-reported in NPPES; status is on the state search
Practice location
2820 E Park Ave, Chippewa Falls, WI 54729
Phone
(715) 723-5542
Enumerated
Jun 27, 2006
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 2820 E Park Ave

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

  1. Nicholas Baer, PA-CStudent in an Organized Health Care Education/Training Program1710515077
  2. Lawrence Eaton, PAPhysician Assistant1386851087
  3. Margaret Khan, M.D.Internal Medicine Physician1689845745

Verify Jeffrey Marcus in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 35610    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

75% fewer Medicare Part D claims than the average psychiatry physician in 2024

251 Medicare Part D claims for 15 beneficiaries, against an average of 1,010 among the 32,287 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Jeffrey Marcus251
  2. Specialty average1,010

Most prescribed

  1. Quetiapine Fumarate70 claims
  2. Escitalopram Oxalate36 claims
  3. Olanzapine29 claims
  4. Fluoxetine Hcl21 claims
  5. Trazodone Hcl20 claims
  6. Risperidone18 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.

Psychiatry Physician providers in Wisconsin

There are 858 psychiatry physician records in Wisconsin.

All 858 in Wisconsin → Every provider in Chippewa Falls →

Other psychiatry physician records in Wisconsin

  1. Semhal Abbay, MDGreen Bay, WI1780713172
  2. Beth Abramson, M.D.Milwaukee, WI1922045996
  3. Sean Ackerman, M.D.Columbus, WI1548559305
  4. Nagwa Agaiby, M.D.Milwaukee, WI1336240407
  5. Eileen Ahearn, M.D.Madison, WI1144320524
  6. Mahmoud Ahmed, MDLadysmith, WI1659473312
  7. Jose Alba, M.D.Chilton, WI1942342704
  8. Nathaniel Albrecht, DOMenasha, WI1467853705
  9. Donald Alicea, M.D.Madison, WI1255794665
  10. Jordan Allen, DOMilwaukee, WI1568039865

Common questions

What is Jeffrey Marcus, M.D.'s NPI number?

Jeffrey Marcus, M.D.'s National Provider Identifier (NPI) is 1821025677, issued on Jun 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jeffrey Marcus, M.D. located?

The NPPES record lists a practice address at 2820 E Park Ave, Chippewa Falls, WI, 54729. Phone: (715) 723-5542. Providers update this record themselves, so call before visiting.

How can I verify Jeffrey Marcus, M.D.'s license?

NPPES lists Wisconsin license number 35610, 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 Jeffrey Marcus, M.D. prescribe under Medicare Part D?

In 2024, Jeffrey Marcus, M.D. had 251 Medicare Part D claims for 15 beneficiaries; the average among psychiatry physician prescribers was 1,010. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Compiled from official public sources by the editorial process.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.