Dr. Marc D. Bear, MD
- Medicare services, 2023
- 46
- Part D claims, 2024
- 5,814
- Industry payments
- $557
- Affiliated sites
- 2
- State license
- 1
- Practice address
- 4423 North Ravenswood Avenue, Chicago, IL 60640
- Practice phone
- Call (773) 751-7800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Tapestry - Thresholds
FQHC - Main Site · Chicago, Illinois
Find Dr. Bear's professional email, personal email and mobile number
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Dr. Marc D. Bear is a psychiatrist in Chicago, Illinois
Dr. Bear practices at Tapestry - Thresholds in Chicago, Illinois.
Dr. Bear's NPI, 1821043290, was assigned on May 24, 2006. Dr. Bear graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1995. Dr. Bear holds Illinois license 036095995.
- NPI
- 1821043290NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7012932510
- NPI enumeration date
- May 24, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (773) 751-7800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Marc D. Bear practices at Tapestry - Thresholds in Chicago, Illinois
Dr. Bear's primary practice is Tapestry - Thresholds, at 4423 North Ravenswood Avenue, Chicago, IL 60640 in Cook County. The practice phone is (773) 751-7800.
- Tapestry - Thresholds4423 North Ravenswood Avenue, Chicago, IL 60640 · Cook CountyPhone(773) 751-7800
Source: Dmand AI Affiliation Data
Dr. Marc D. Bear is affiliated with 2 sites of care
Dr. Bear's primary practice is Tapestry - Thresholds in Chicago, Illinois. Dmand AI also links Dr. Bear to 1 physician office, named with a free account. Dr. Bear's employer is on file too: a community health center (fqhc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Marc D. Bear's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bear practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Tapestry - Thresholds | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Marc D. Bear is one of 1,527 psychiatrists in Illinois
Psychiatry is Dr. Bear's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Bear is licensed in Illinois.
Specialties and state licenses
- Psychiatry, IllinoisPrimary
Psychiatrists near Dr. Bear
Counts of psychiatrists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Marc D. Bear billed Medicare for 46 services in 2023
CMS data shows 46 Medicare services from Dr. Bear across 1 procedure code in 2023, all of them office visits. Medicare paid $2,833 for them. Every service was in an office.
Dr. Bear's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 592023: 4622%
Dr. Bear compared with the Illinois median for psychiatrists, 2023
- Dr. Bear
- Illinois median
- Medicare services
- 46vs 20377% below
- Part D claims
- 5,677vs 17432.6 times
Medians across 1,588 psychiatrists in Illinois with Dmand AI profiles that report each measure.
Dr. Bear's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Bear and other psychiatrists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Marc D. Bear's patients have a median age of 53
Across all payers, Dmand AI patient panel data puts Dr. Bear's median patient age at 53, with 38% women.
Dr. Bear's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 53
Patient panel by sex, all payers
- Women38%
- Men60%
Source: Dmand AI Patient Panel Data
Dr. Marc D. Bear wrote 5,814 Medicare Part D claims in 2024
In 2024, Dr. Bear wrote 5,814 Medicare Part D claims for 192 patients. 94% of them were for generic drugs. CMS names the drug for 5,677 of them, across 63 drugs with 11 or more claims each, at $1,044,164 in total drug cost. In 2023, CMS named 5,509 claims across 60 drugs.
Dr. Bear's Part D claims by kind of drug, 2024
- Generic5,442 claims94%
- Brand-name372 claims6%
Dr. Bear's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Bear's Part D claims, 2024
- Antipsychotics, patients 65 and over9%548 of 5,814 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 5,5092024: 5,6773%
Drugs named by CMS: 63 in 2024, 60 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Marc D. Bear offers telehealth to Medicare patients
Dr. Bear accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Bear as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Marc D. Bear received $557 in industry payments from 2016 to 2025
CMS Open Payments shows 29 general payments to Dr. Bear from 8 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 80% of the total. Bristol-Myers Squibb Company paid the most, $140.
General payments to Dr. Bear by program year, 2016 to 2025
General payments to Dr. Bear by kind, 2016 to 2025
- Food and beverage$44880%
- Education$10920%
Companies that paid Dr. Bear the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Marc D. Bear graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb)
Dr. Bear graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1995.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Marc D. Bear's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Marc D. Bear
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Marc D. Bear's NPI number?
Dr. Marc D. Bear's NPI number is 1821043290. It was assigned on May 24, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Marc D. Bear?
Dr. Marc D. Bear is a psychiatrist in Chicago, Illinois. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Marc D. Bear practice?
Dr. Bear practices at 4423 North Ravenswood Avenue, Chicago, IL 60640. Dr. Bear's primary practice is Tapestry - Thresholds in Chicago, Illinois. Dmand AI also links Dr. Bear to 1 physician office.
What is Dr. Marc D. Bear's office phone number?
The practice phone on file for Dr. Bear is (773) 751-7800.
What is Dr. Marc D. Bear's medical license number?
Dr. Bear holds Illinois license 036095995.
Does Dr. Marc D. Bear accept Medicare?
Yes. CMS data shows Dr. Bear billed Medicare for 46 services in 2023, and Dr. Bear accepts Medicare assignment.
Does Dr. Marc D. Bear offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Bear as offering telehealth services.
What services does Dr. Marc D. Bear bill to Medicare?
In 2023, Dr. Bear's most billed Medicare services were office visit, established patient (99213).
Where did Dr. Marc D. Bear go to medical school?
Dr. Bear graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1995.
What drugs does Dr. Marc D. Bear prescribe most?
In 2024 Medicare Part D data, Dr. Bear's most prescribed drugs by claims were Trazodone HCl, Olanzapine and Quetiapine Fumarate.
Has Dr. Marc D. Bear received payments from drug or device companies?
CMS Open Payments shows $557 in general payments to Dr. Bear from 8 companies from 2016 to 2025. The largest total came from Bristol-Myers Squibb Company.
How long has Dr. Marc D. Bear been practicing?
Dr. Bear graduated from medical school in 1995, 31 years ago.
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