Dr. Adam Barker, MD

  • Marysville, OH
  • General surgeon
NPI1225203896PAC ID1658598636
Medicare services, 2024
497
Medicare patients, 2024
267
Part D claims, 2024
568
Publications
1
MIPS score, 2024
83
Practice address
500 London Avenue, Marysville, OH 43040
Practice phone
Call (937) 644-6115
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Memorial Hospital

Hospital · Marysville, Ohio

See all 4 affiliations

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Dr. Adam Barker is a general surgeon in Marysville, Ohio

Dr. Barker practices at Memorial Hospital in Marysville, Ohio, part of Union County, Ohio.

Dr. Barker's NPI, 1225203896, was assigned on April 24, 2008. Dr. Barker graduated from Creighton University School of Medicine - Omaha in 2008. Dr. Barker holds Ohio license 35123780.

NPI and contact details
Medicare PAC ID
1658598636
NPI enumeration date
April 24, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(937) 644-6115
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
44
Medical school graduation
2008

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

Dr. Adam Barker practices at Memorial Hospital in Marysville, Ohio

Dr. Barker's primary practice is Memorial Hospital, at 500 London Avenue, Marysville, OH 43040 in Union County. The practice phone is (937) 644-6115.

  • Memorial Hospital
    500 London Avenue, Marysville, OH 43040 · Union CountyPhone(937) 644-6115

Source: Dmand AI Affiliation Data

Dr. Adam Barker is affiliated with 3 sites of care and 1 medical group

Dr. Barker's primary practice is Memorial Hospital in Marysville, Ohio, part of Union County, Ohio. Dr. Barker is also affiliated with Ohio State University Hospital. The medical group on file is Memorial Medical Group. Dmand AI also links Dr. Barker to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Dr. Barker

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

Dmand AI tracks the EHR system at Dr. Adam Barker's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Barker practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Memorial HospitalAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Barker practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across Union County, Ohio and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Adam Barker is one of 1,056 general surgeons in Ohio

Surgery is Dr. Barker's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Barker is board certified in colon & rectal surgery by the American Board of Colon and Rectal Surgery. Dmand AI has Dr. Barker's licenses on file in 2 states: Ohio and Texas.

Specialties and state licenses

  • Surgery, OhioPrimaryLicense 35123780 · 2014 to 2027 · taxonomy 208600000X
  • Texas license2013 to 2023

Clinical focus

Dmand AI lists abdominal hernia repair surgery, appendectomy, cancerous skin growth removal, colonoscopy, colon removal, esophagus, stomach, or upper small intestine surgery, gallbladder removal and gastrointestinal bleeding among the conditions Dr. Barker treats.

General surgeons near Dr. Barker

Counts of general surgeons 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. Adam Barker billed Medicare for 497 services in 2024

CMS data shows 497 Medicare services from Dr. Barker across 13 procedure codes in 2024, for 267 Medicare patients. Medicare paid $48,595 for them.

Medicare services, 2024497
Medicare patients267
Paid by Medicare$48,595
Procedure codes13

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

  • 2023
  • 2024
Office and hospital visits
2023: 3382024: 3234%
Surgery
2023: 1642024: 1746%

Where Dr. Barker's Medicare services took place, 2024

  • In an office37275%
  • In a facility12525%

Dr. Barker compared with the Ohio median for general surgeons, 2024

  • Dr. Barker
  • Ohio median
Medicare services
497vs 1683.0 times
Medicare patients
267vs 1272.1 times
Part D claims
476vs 4610.3 times

Medians across 1,031 general surgeons in Ohio with Dmand AI profiles that report each measure.

Dr. Barker'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.

See all procedures by Dr. Barker

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Barker and other general surgeons in Ohio.

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

Dr. Adam Barker treated 267 Medicare patients in 2024, average age 72

CMS counts 267 Medicare patients who saw Dr. Barker in 2024. The largest group is 65 to 74, with 123 patients. 71% of them have high blood pressure, and 61% have high cholesterol. 12% are also on Medicaid. Their average risk score is 1.30, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Barker's median patient age at 61, with 49% women.

Medicare patients, 2024267
Average age72
Average risk score1.30
Also on Medicaid12%

Dr. Barker's Medicare patients by age, 2024

Dr. Barker's Medicare patients by sex, 2024

  • Women14956%
  • Men11844%

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

  1. High blood pressure71%
  2. High cholesterol61%
  3. Arthritis44%
  4. Diabetes31%
  5. Mood disorders25%
  6. Chronic kidney disease24%
  7. Depression23%
  8. Anxiety22%

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

Dr. Barker's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 61

Patient panel by sex, all payers

  • Women49%
  • Men50%

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

Dr. Adam Barker wrote 568 Medicare Part D claims in 2024

In 2024, Dr. Barker wrote 568 Medicare Part D claims for 187 patients. 77% of them were for generic drugs. CMS names the drug for 476 of them, across 10 drugs with 11 or more claims each, at $48,396 in total drug cost. In 2023, CMS named 410 claims across 12 drugs.

Part D claims, 2024568
Drugs named by CMS10
Total drug cost$48,396
Part D patients187

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

  • Generic435 claims77%
  • Brand-name133 claims23%

Dr. Barker'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. Barker's Part D claims, 2024

  • Opioids5%26 of 568 claims
  • Antibiotics10%58 of 568 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: 4102024: 47616%

Drugs named by CMS: 10 in 2024, 12 in 2023.

See all prescribing by Dr. Barker

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. Adam Barker scored 83 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Dr. Barker for performance year 2024, reported as part of a group. Dr. Barker accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 48 procedures of colonoscopy by Dr. Barker, more than 63% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Barker's MIPS scores, performance year 2024

  • 83of 100Final score
  • 68.9of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 75of 100Cost

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

Where Dr. Barker ranks in Medicare procedure volume

Colonoscopy
63rd percentile48 procedures
Upper gastrointestinal (GI) endoscopy for acid reflux
55th percentile28 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)

Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)

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

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Dr. Adam Barker has 1 publication on record

Dmand AI links 1 paper to Dr. Barker. Dr. Barker's most frequent co-author is Jefferson B. Hurley, MD.

Papers1

Dr. Barker's most frequent co-authors

Recent publications by Dr. Barker

See all 1 publications and co-authors

See who Dr. Barker researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Barker works with, so you can find a warm path to the right general surgeons.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Adam Barker received $5,891 in industry payments from 2016 to 2025

CMS Open Payments shows 59 general payments to Dr. Barker from 25 drug and device companies from 2016 to 2025. Education make up the largest share, 70% of the total. Intuitive Surgical, Inc. paid the most, $5,136.

General payments to Dr. Barker by program year, 2016 to 2025

General payments to Dr. Barker by kind, 2016 to 2025

$5.9Kin total
  • Education$4,10670%
  • Food and beverage$89715%
  • Travel and lodging$88815%

Companies that paid Dr. Barker the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Barker

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Adam Barker graduated from Creighton University School of Medicine - Omaha

Dr. Barker graduated from Creighton University School of Medicine - Omaha in 2008.

  1. Medical schoolCreighton University School of Medicine - Omaha
  2. Board certified in colon & rectal surgeryAmerican Board of Colon and Rectal Surgery
  3. Board certified in surgeryAmerican Board of Surgery

Source: Dmand AI Professional Profile Data

Dr. Adam Barker accepts plans from 10 insurance carriers

Dr. Barker is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Molina. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

Plan types Dr. Barker accepts, by number of carriers

  1. Medicare9
  2. PPO7
  3. HMO4
  4. Medicaid2
  5. POS2
  6. EPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Adam Barker'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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network 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. Adam Barker

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. Adam Barker's NPI number?

Dr. Adam Barker's NPI number is 1225203896. It was assigned on April 24, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. Adam Barker?

Dr. Adam Barker is a general surgeon in Marysville, Ohio. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. Adam Barker practice?

Dr. Barker practices at 500 London Avenue, Marysville, OH 43040. Dr. Barker's primary practice is Memorial Hospital in Marysville, Ohio, part of Union County, Ohio. Dmand AI also links Dr. Barker to 1 group practice or clinic.

What is Dr. Adam Barker's office phone number?

The practice phone on file for Dr. Barker is (937) 644-6115.

What is Dr. Adam Barker's medical license number?

Dr. Barker holds Ohio license 35123780, one of the licenses on file in 2 states.

Which states has Dr. Adam Barker been licensed in?

Dmand AI has state licenses on file for Dr. Barker in Ohio (2014 to 2027) and Texas (2013 to 2023).

Which hospitals is Dr. Adam Barker affiliated with?

Dr. Barker practices at Memorial Hospital in Marysville, Ohio. Dr. Barker is also affiliated with Ohio State University Hospital.

What medical group is Dr. Adam Barker part of?

Dr. Barker is linked to Memorial Medical Group.

Does Dr. Adam Barker accept Medicare?

Yes. CMS data shows Dr. Barker billed Medicare for 497 services in 2024, and Dr. Barker accepts Medicare assignment.

What is Dr. Adam Barker's MIPS score?

Dr. Barker's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Adam Barker see?

CMS counts 267 Medicare patients who saw Dr. Barker in 2024, with an average age of 72.

Is Dr. Adam Barker board certified?

Yes. Dr. Barker is board certified in colon & rectal surgery by the American Board of Colon and Rectal Surgery.

What services does Dr. Adam Barker bill to Medicare?

In 2024, Dr. Barker's most billed Medicare services were office visit, established patient (99212), office visit, established patient (99213) and surgery: digestive system (45385).

Where did Dr. Adam Barker go to medical school?

Dr. Barker graduated from Creighton University School of Medicine - Omaha in 2008.

What drugs does Dr. Adam Barker prescribe most?

In 2024 Medicare Part D data, Dr. Barker's most prescribed drugs by claims were Pantoprazole Sodium, Sucralfate and Linzess.

Has Dr. Adam Barker received payments from drug or device companies?

CMS Open Payments shows $5,891 in general payments to Dr. Barker from 25 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.

How long has Dr. Adam Barker been practicing?

Dr. Barker graduated from medical school in 2008, 18 years ago.

Does Dr. Adam Barker do research?

Dmand AI links 1 publication to Dr. Barker.

Who does Dr. Adam Barker publish with?

Dr. Barker's most frequent co-authors are Jefferson B. Hurley, MD (1 shared paper).

What insurance does Dr. Adam Barker accept?

Dr. Barker is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Molina. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

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