NPPES file of Aug 9, 2026

Marc D. Bear, M.D.

Psychiatry Physician · Chicago, IL

Marc D. Bear, M.D. is a psychiatry physician with a practice address in Chicago, Illinois, and NPI 1821043290, issued on May 24, 2006. Check the license (Illinois 036095995, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; 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
1821043290
Name
Marc D. Bear
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
036095995 IL
Self-reported in NPPES; status is on the state search
Practice location
1011 W Wellington Ave, Chicago, IL 60657
Phone
(773) 458-4671
Enumerated
May 24, 2006
Record last updated
Jun 8, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(847) 328-3565
Medicaid ID
036095995 IL
Medicare enrollment
Enrolled (PECOS I20051013000723); accepts Medicare assignment
Medical or professional school
University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 1995
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 1011 W Wellington Ave

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

  1. William HernandezMassage Therapist1750709960
  2. Kimball Ladien, M.D.Psychiatry Physician1629021787
  3. Mollye Levy, PSY.D.Clinical Psychologist1912441908
  4. Grainne McKeown, L.AC.Acupuncturist1205180122
  5. Morteza Mohajer, M.D.Psychiatry Physician1669429155
  6. David Shore, M.D.Urology Physician1184823163

Verify Marc D. Bear in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036095995
    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 Illinois license search

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5.8 times the Medicare Part D claims of the average psychiatry physician in 2024

5,814 Medicare Part D claims for 192 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.

  1. Marc Bear5,814
  2. Specialty average1,000

Most prescribed

  1. Trazodone Hcl419 claims
  2. Olanzapine354 claims
  3. Quetiapine Fumarate338 claims
  4. Clozapine280 claims
  5. Risperidone273 claims
  6. Aripiprazole257 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.

Industry payments in 2024: $27.05

1 payment: food and beverage; the largest payer was Hologic Sales and Service, LLC. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Marc Bear$27.05
  2. Specialty average$4,954.93

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

841 psychiatry physician records list a practice address in Chicago

They are 841 of the 63,379 NPPES records with a practice address in Chicago, and 2,147 psychiatry physician records in Illinois.

Other psychiatry physician records in Illinois

  1. Alexandra Aaronson, M.D.Chicago, IL1881937928
  2. Anthony Abadir, MDOak Park, IL1295312551
  3. Huma Abbas, M.D.Aurora, IL1609039163
  4. Jeff Abbott, M.D.Chicago, IL1265887509
  5. Kathryn AbbottChicago, IL1295537561
  6. Gil Abelita, MDBloomington, IL1619986551
  7. Dinuk Abeysekera, M.D.North Chicago, IL1366616534
  8. Patrick Abler, DOSpringfield, IL1770158537
  9. Rohit Abraham, MD, MPH, MATChicago, IL1013478932
  10. Richard AbramsChicago, IL1003992413

Common questions

What is Marc D. Bear, M.D.'s NPI number?

Marc D. Bear, M.D.'s National Provider Identifier (NPI) is 1821043290, issued on May 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Marc D. Bear, M.D. located?

The NPPES record lists a practice address at 1011 W Wellington Ave, Chicago, IL, 60657. Phone: (773) 458-4671. Providers update this record themselves, so call before visiting.

How can I verify Marc D. Bear, M.D.'s license?

NPPES lists Illinois license number 036095995, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Marc D. Bear, M.D. prescribe under Medicare Part D?

In 2024, Marc D. Bear, M.D. had 5,814 Medicare Part D claims for 192 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.