Dr. Marcus A. Bear, DO

  • Chillicothe, OH
  • Emergency medicine physician
NPI1134668700PAC ID8123396140
Medicare services, 2024
150
Medicare patients, 2024
153
Part D claims, 2024
163
MIPS score, 2024
95
Hospital affiliations
2
Practice address
272 Hospital Road, Chillicothe, OH 45601
Practice phone
Call (740) 779-7500
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Adena Regional Medical Center

Hospital · Chillicothe, Ohio

See all 8 affiliations

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Dr. Marcus A. Bear is an emergency medicine physician in Chillicothe, Ohio

Dr. Bear practices at Adena Regional Medical Center in Chillicothe, Ohio, part of Adena Health System.

Dr. Bear's NPI, 1134668700, was assigned on February 15, 2017. Dr. Bear graduated from Ohio University, College of Osteopathic Medicine in 2017. Dr. Bear holds Ohio license 34.013897.

NPI and contact details
Medicare PAC ID
8123396140
NPI enumeration date
February 15, 2017
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(740) 779-7500
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
35
Medical school graduation
2017

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Marcus A. Bear practices at Adena Regional Medical Center in Chillicothe, Ohio

Dr. Bear's primary practice is Adena Regional Medical Center, at 272 Hospital Road, Chillicothe, OH 45601 in Ross County. The practice phone is (740) 779-7500.

Source: Dmand AI Affiliation Data

Dr. Marcus A. Bear is affiliated with 2 sites of care and 6 medical groups

Dr. Bear's primary practice is Adena Regional Medical Center in Chillicothe, Ohio, part of Adena Health System. Dr. Bear is also affiliated with OhioHealth O'Bleness Hospital. The medical group on file is Emergency Professional Services of Ohio, Inc. Dmand AI also links Dr. Bear to 5 more medical groups, each named with a free account.

See all 8 affiliations for Dr. Bear

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Marcus A. 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.

EHR by site
SiteEHR vendor and product
Adena Regional Medical CenterAvailable with a free account
+1 more site and 5 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Marcus A. Bear is one of 2,401 emergency medicine physicians in Ohio

Emergency medicine is Dr. Bear's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dmand AI has Dr. Bear's licenses on file in 3 states: Ohio, Indiana and West Virginia.

Specialties and state licenses

  • Emergency medicine, OhioPrimaryLicense 34.013897 · taxonomy 207P00000X
  • Indiana licenseLicense 02005970B
  • West Virginia licenseLicense 3593

Emergency medicine physicians near Dr. Bear

Counts of emergency medicine physicians 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. Marcus A. Bear billed Medicare for 150 services in 2024

CMS data shows 150 Medicare services from Dr. Bear across 3 procedure codes in 2024, for 153 Medicare patients. Medicare paid $18,704 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024150
Medicare patients153
Paid by Medicare$18,704
Procedure codes3

Dr. Bear's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2702024: 15044%
Tests and treatments
2023: 872024: 0100%

Dr. Bear compared with the Ohio median for emergency medicine physicians, 2024

  • Dr. Bear
  • Ohio median
Medicare services
150vs 26644% below
Medicare patients
153vs 24838% below
Part D claims
41vs 6537% below

Medians across 2,448 emergency medicine physicians in Ohio with Dmand AI profiles that report each measure.

Dr. Bear's most billed Medicare procedure codes, 2024

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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Marcus A. Bear treated 153 Medicare patients in 2024, average age 74

CMS counts 153 Medicare patients who saw Dr. Bear in 2024. The largest group is 65 to 74, with 51 patients. 75% of them have high blood pressure, and 73% have high cholesterol. 30% are also on Medicaid. Their average risk score is 2.19, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Bear's median patient age at 65, with 59% women.

Medicare patients, 2024153
Average age74
Average risk score2.19
Also on Medicaid30%

Dr. Bear's Medicare patients by age, 2024

Dr. Bear's Medicare patients by sex, 2024

  • Women8656%
  • Men6744%

Chronic conditions among Dr. Bear's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol73%
  3. Arthritis61%
  4. Anxiety52%
  5. Chronic kidney disease48%
  6. Ischemic heart disease48%
  7. Diabetes44%
  8. Mood disorders44%

Share of Medicare patients with each condition. A patient can have several.

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 65

Patient panel by sex, all payers

  • Women59%
  • Men39%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Marcus A. Bear wrote 163 Medicare Part D claims in 2024

In 2024, Dr. Bear wrote 163 Medicare Part D claims for 105 patients. 94% of them were for generic drugs. CMS names the drug for 41 of them, across 3 drugs with 11 or more claims each, at $98 in total drug cost. In 2023, CMS named 145 claims across 9 drugs.

Part D claims, 2024163
Drugs named by CMS3
Total drug cost$98
Part D patients105

Dr. Bear's Part D claims by kind of drug, 2024

  • Generic154 claims94%
  • Brand-name and other9 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

  • Opioids15%24 of 163 claims
  • Antibiotics32%52 of 163 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: 1452024: 4172%

Drugs named by CMS: 3 in 2024, 9 in 2023.

See all prescribing by Dr. Bear

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. Marcus A. Bear scored 95 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Dr. Bear for performance year 2024, reported through an alternative payment model (APM). Dr. Bear accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Bear's MIPS scores, performance year 2024

  • 95of 100Final score
  • 79.9of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Marcus A. Bear graduated from Ohio University, College of Osteopathic Medicine

Dr. Bear graduated from Ohio University, College of Osteopathic Medicine in 2017.

  1. Medical schoolOhio University, College of Osteopathic Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Marcus A. Bear's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Marcus A. 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. Marcus A. Bear's NPI number?

Dr. Marcus A. Bear's NPI number is 1134668700. It was assigned on February 15, 2017, and it is active in the NPI Registry.

What kind of doctor is Dr. Marcus A. Bear?

Dr. Marcus A. Bear is an emergency medicine physician in Chillicothe, Ohio. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Dr. Marcus A. Bear practice?

Dr. Bear practices at 272 Hospital Road, Chillicothe, OH 45601. Dr. Bear's primary practice is Adena Regional Medical Center in Chillicothe, Ohio, part of Adena Health System. Dmand AI also links Dr. Bear to 5 medical groups.

What is Dr. Marcus A. Bear's office phone number?

The practice phone on file for Dr. Bear is (740) 779-7500.

What is Dr. Marcus A. Bear's medical license number?

Dr. Bear holds Ohio license 34.013897, one of the licenses on file in 3 states.

Which states has Dr. Marcus A. Bear been licensed in?

Dmand AI has state licenses on file for Dr. Bear in Ohio, Indiana and West Virginia.

Which hospitals is Dr. Marcus A. Bear affiliated with?

Dr. Bear practices at Adena Regional Medical Center in Chillicothe, Ohio. Dr. Bear is also affiliated with OhioHealth O'Bleness Hospital.

What medical group is Dr. Marcus A. Bear part of?

Dr. Bear is linked to Emergency Professional Services of Ohio, Inc. Dmand AI links Dr. Bear to 5 more medical groups.

Does Dr. Marcus A. Bear accept Medicare?

Yes. CMS data shows Dr. Bear billed Medicare for 150 services in 2024, and Dr. Bear accepts Medicare assignment.

What is Dr. Marcus A. Bear's MIPS score?

Dr. Bear's MIPS final score for performance year 2024 is 95 out of 100, reported through an alternative payment model (APM).

Show 5 more questionsShow fewer questions

How many Medicare patients does Dr. Marcus A. Bear see?

CMS counts 153 Medicare patients who saw Dr. Bear in 2024, with an average age of 74.

What services does Dr. Marcus A. Bear bill to Medicare?

In 2024, Dr. Bear's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and critical care (99291).

Where did Dr. Marcus A. Bear go to medical school?

Dr. Bear graduated from Ohio University, College of Osteopathic Medicine in 2017.

What drugs does Dr. Marcus A. Bear prescribe most?

In 2024 Medicare Part D data, Dr. Bear's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Prednisone and Sulfamethoxazole-Trimethoprim.

How long has Dr. Marcus A. Bear been practicing?

Dr. Bear graduated from medical school in 2017, 9 years ago.

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