NPPES file of Aug 9, 2026

Robert William Barnhorn, MD

Obstetrics & Gynecology Physician · Cincinnati, OH

Robert William Barnhorn, MD is an obstetrics & gynecology physician with a practice address in Cincinnati, Ohio, and NPI 1174510481, issued on Oct 3, 2005. Check the license (Ohio 35038401, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1174510481
Name
Robert William Barnhorn
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License numbers
35038401 OH
35038401B OH
Self-reported in NPPES; status is on the state search
Practice location
8000 Five Mile Road, Cincinnati, OH 45230
Phone
(513) 474-2870
Enumerated
Oct 3, 2005
Record last updated
May 28, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(513) 688-8585
Medicaid ID
0528503 OH
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 8000 Five Mile Road

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

  1. Carol Allman, RN, RCNPAdult Health Nurse Practitioner1922258060
  2. Emma ArgoObstetrics & Gynecology Nurse Practitioner1235657990
  3. James Day, MDInternal Medicine Physician1487667440
  4. Omair Khan, DOStudent in an Organized Health Care Education/Training Program1699560193
  5. Monica Ngu, MDInternal Medicine Physician1396750782
  6. David Vance, MDInternal Medicine Physician1669485611

Verify Robert William Barnhorn 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 35038401
    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

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73% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

44 Medicare Part D claims, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. Robert Barnhorn44
  2. Specialty average165

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.

Obstetrics & Gynecology Physician providers in Ohio

There are 1,572 obstetrics & gynecology physician records in Ohio.

Other obstetrics & gynecology physician records in Ohio

  1. George Abate, D.O.Findlay, OH1013929140
  2. Mahmoud Abdelwahab, MDColumbus, OH1932550175
  3. Amine Abdul-Aal, M.D.Warren, OH1689855058
  4. Tiffany Abreu, M.D.Hilliard, OH1093241150
  5. Devon Ackerman, MDColumbus, OH1720773617
  6. Brett Adair, D.O.Toledo, OH1700129814
  7. Darren Adams, D.O.Portsmouth, OH1770549024
  8. Shannel Adams, M.D.West Chester, OH1235455403
  9. Karen Adams-Ferguson, M.D.Toledo, OH1518959253
  10. Augustina AddisonTroy, OH1962883587

Common questions

What is Robert William Barnhorn, MD's NPI number?

Robert William Barnhorn, MD's National Provider Identifier (NPI) is 1174510481, issued on Oct 3, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Robert William Barnhorn, MD located?

The NPPES record lists a practice address at 8000 Five Mile Road, Cincinnati, OH, 45230. Phone: (513) 474-2870. Providers update this record themselves, so call before visiting.

How can I verify Robert William Barnhorn, MD's license?

NPPES lists Ohio license number 35038401, 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 Robert William Barnhorn, MD prescribe under Medicare Part D?

In 2024, Robert William Barnhorn, MD had 44 Medicare Part D claims; the average among obstetrics & gynecology physician prescribers was 165. 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.