NPPES file of Aug 9, 2026

Adam Barker, M.D.

Surgery Physician · Marysville, OH

Adam Barker, M.D. is a surgery physician with a practice address in Marysville, Ohio, and NPI 1225203896, issued on Apr 24, 2008. Check the license (Ohio 35123780, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1225203896
Name
Adam Barker
Credential
M.D.
Primary taxonomy
Surgery Physician 208600000X
License number
35123780 OH
Self-reported in NPPES; status is on the state search
Practice location
140 Colemans Xing, Marysville, OH 43040
Phone
(937) 578-2650
Enumerated
Apr 24, 2008
Record last updated
Jun 25, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20140814002589); accepts Medicare assignment
Medical or professional school
Creighton University School Of Medicine, 2008
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 140 Colemans Xing

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

  1. Alan Boucher, M.D.Sports Medicine (Family Medicine) Physician1477998052
  2. Jeffrey Hazey, MDSurgery Physician1164475398
  3. Fred Leess, MDOtolaryngology Physician1790768216
  4. Kelly LomanFamily Medicine Physician1477182004

Verify Adam Barker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersState Medical Board of Ohio
    Search for license 35123780
    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 Ohio 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.

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3.9 times the Medicare Part D claims of the average surgery physician in 2024

568 Medicare Part D claims for 187 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims. 26 claims were for opioids.

  1. Adam Barker568
  2. Specialty average147

Most prescribed

  1. Pantoprazole Sodium198 claims
  2. Sucralfate66 claims
  3. Linzess51 claims
  4. Sutab41 claims
  5. Oxycodone-Acetaminophen22 claims
  6. Metronidazole21 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 87.8 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score88.2
  2. Costout of 100 · 30%71.1
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $5,245.99

19 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Adam Barker$5,245.99
  2. Specialty average$3,513.80

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

Bills Medicare through one group practice

  1. Union County Physician CorporationMarysville, OH

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Adam Barker among 1,249 surgery physician records in Ohio

Adam Barker, M.D. is one of 1,249 surgery physician records with a practice address in Ohio. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 51% of them.

  • NPI issued2008 · 51% of these records are older, 44% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2008 · median 2006 among the 739 with a school on file
  • Record last updated2019 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgery Physician providers in Ohio

There are 1,249 surgery physician records in Ohio.

The 8 surgery physician records with the nearest ZIP codes

  1. Jeffrey Hazey, MDMarysville, OH 430401164475398
  2. Katherine Kelly, M.D.Marysville, OH 430401851656300
  3. Timothy Pelfrey, M.D.Marysville, OH 430401194732529
  4. Michael Heuman, MDMount Vernon, OH 430501457349680
  5. Tamara Holzer, DOMount Vernon, OH 430501952518144
  6. Aevan McLaughlin, MDMount Vernon, OH 430501528328580
  7. Paul Taiganides, M.D.Mount Vernon, OH 430501467457291
  8. Victor Ferrini, MDNewark, OH 430551629018700

Common questions

What is Adam Barker, M.D.'s NPI number?

Adam Barker, M.D.'s National Provider Identifier (NPI) is 1225203896, issued on Apr 24, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Adam Barker, M.D. located?

The NPPES record lists a practice address at 140 Colemans Xing, Marysville, OH, 43040. Phone: (937) 578-2650. Providers update this record themselves, so call before visiting.

How can I verify Adam Barker, M.D.'s license?

NPPES lists Ohio license number 35123780, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Adam Barker, M.D. prescribe under Medicare Part D?

In 2024, Adam Barker, M.D. had 568 Medicare Part D claims for 187 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.

What is Adam Barker, M.D.'s MIPS final score?

The 2023 MIPS final score is 87.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.