Keith R. Black, DO
Internal Medicine Physician · Warren, OH
Keith R. Black, DO is an internal medicine physician with a practice address in Warren, Ohio, and NPI 1033495890, issued on Oct 25, 2011. Check the license (Ohio 34.010851, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Keith R. Black
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 34.010851 OH
Self-reported in NPPES; status is on the state search - Practice location
- 349 Niles Cortland RD NE, Warren, OH 44484
- Phone
- (330) 372-0260
- Enumerated
- Oct 25, 2011
- Record last updated
- Jan 2, 2024
- Fax
- (330) 372-0261
- Medicaid ID
- 0103905 OH
- Medicare enrollment
- Enrolled (PECOS I20140723002624); accepts Medicare assignment
- Medical or professional school
- Ohio University, College Of Osteopathic Medicine, 2011
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,277 in Ohio → Look up another NPI →
Also registered at 349 Niles Cortland RD NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Bisel, DOInternal Medicine Physician1831150242
- Vincent Caicco, DOFamily Medicine Physician1932506730
- Zachary Davis, MSN, APRN, CNPNurse Practitioner1952640146
- Ismail Husain, DOInternal Medicine Physician1497115059
- Eileen Kelley, D.D.S.Periodontics1184892085
- Thomas Neuman, M.D.Otolaryngology Physician1063413961
Verify Keith R. Black in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 34.010851Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,179 Medicare Part D claims for 365 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 49 claims were for opioids.
Most prescribed
- Metoprolol Succinate74 claims
- Pantoprazole Sodium61 claims
- Furosemide58 claims
- Prednisone52 claims
- Atorvastatin Calcium50 claims
- Cefdinir39 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.
Bills Medicare through one group practice
- Robert E Bisel DO And Associates LLCWarren, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Keith R. Black among 5,277 internal medicine physician records in Ohio
Keith R. Black, DO is one of 5,277 internal medicine physician records with a practice address in Ohio. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 60% of them.
- NPI issued2011 · 60% of these records are older, 37% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2011 · median 2006 among the 3,414 with a school on file
- Record last updated2024 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
39 internal medicine physician records list a practice address in Warren
They are 39 of the 2,090 NPPES records with a practice address in Warren, and 5,277 internal medicine physician records in Ohio.
All 5,277 in Ohio → Every provider in Warren → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Robert Bisel, DOWarren, OH 444841831150242
- Christopher Chuirazzi, M.D.Warren, OH 444841215923743
- Douglas Dunlap, D.O.Warren, OH 444841215921358
- Christopher Hebert, M.D.Warren, OH 444841669430047
- Subhash Khaterpaul, MDWarren, OH 444841154394237
- James Kondolios, MDWarren, OH 444841073592663
- Kapil Kwatra, M.DWarren, OH 444841326016320
- Adam Levine, MDWarren, OH 444841124127063
Common questions
What is Keith R. Black, DO's NPI number?
Keith R. Black, DO's National Provider Identifier (NPI) is 1033495890, issued on Oct 25, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Keith R. Black, DO located?
The NPPES record lists a practice address at 349 Niles Cortland RD NE, Warren, OH, 44484. Phone: (330) 372-0260. Providers update this record themselves, so call before visiting.
How can I verify Keith R. Black, DO's license?
NPPES lists Ohio license number 34.010851, 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 Keith R. Black, DO prescribe under Medicare Part D?
In 2024, Keith R. Black, DO had 1,179 Medicare Part D claims for 365 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.