NPPES file of Aug 9, 2026

John Jeffrey Keller, M.D.

Clinical Cardiac Electrophysiology Physician · Chillicothe, OH

John Jeffrey Keller, M.D. is a clinical cardiac electrophysiology physician with a practice address in Chillicothe, Ohio, and NPI 1700849114, issued on Apr 7, 2006. Check the license (Ohio 35076888, 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
1700849114
Name
John Jeffrey Keller
Credential
M.D.
Primary taxonomy
Clinical Cardiac Electrophysiology Physician 207RC0001X
License number
35076888 OH
Self-reported in NPPES; status is on the state search
Practice location
4437 State Route 159, Chillicothe, OH 45601
Phone
(740) 779-4570
Enumerated
Apr 7, 2006
Record last updated
Jul 15, 2024
Fax
(740) 779-4579
Medicaid ID
2592001 OH
Medicare enrollment
Enrolled (PECOS I20050608000845); accepts Medicare assignment
Medical or professional school
University Of Cincinnati College Of Medicine, 1998
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 4437 State Route 159

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

  1. John Boyle, DPMFoot Surgery Podiatrist1457354680
  2. Casey Clevenger, CNPFamily Nurse Practitioner1609113554
  3. Lloyd Coats, D.O.Internal Medicine Physician1477558906
  4. Douglas Folzenlogen, M.D.Internal Medicine Physician1801891338
  5. Jamie Fyffe, C.N.P.Family Nurse Practitioner1871852285
  6. Samer Kabbani, M.D.Interventional Cardiology Physician1467566174

Verify John Jeffrey Keller 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 35076888
    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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49% fewer Medicare Part D claims than the average clinical cardiac electrophysiology physician in 2024

877 Medicare Part D claims for 219 beneficiaries, against an average of 1,710 among the 3,173 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.

  1. John Keller877
  2. Specialty average1,710

Most prescribed

  1. Eliquis138 claims
  2. Metoprolol Succinate117 claims
  3. Diltiazem 24hr Er (Cd)115 claims
  4. Amiodarone Hcl47 claims
  5. Carvedilol38 claims
  6. Xarelto38 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 MIPS final score for 2023 (Medicare payment program): 83.3 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score58.7
  2. Costnot scored (reweighted)
  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; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $223.99

4 payments; by number, the most common kind was food and beverage; the largest payer was Biosense Webster, Inc. The 3,167 providers of this specialty with any payment received $10,651.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Keller$224
  2. Specialty average$10,651

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. Licking Memorial Health ProfessionalsNewark, OH

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

John Jeffrey Keller among 169 clinical cardiac electrophysiology physician records in Ohio

John Jeffrey Keller, M.D. is one of 169 clinical cardiac electrophysiology physician records with a practice address in Ohio. 93% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 18% of them.

  • NPI issued2006 · 18% of these records are older, 53% newer
  • In a Medicare fileYes · 93% of these records are
  • In the CMS Doctors and Clinicians fileYes · 83% of these records are
  • Graduated1998 · median 1999 among the 140 with a school on file
  • Record last updated2024 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0001X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Clinical Cardiac Electrophysiology Physician providers in Ohio

There are 169 clinical cardiac electrophysiology physician records in Ohio.

The 8 clinical cardiac electrophysiology physician records with the nearest ZIP codes

  1. Alexander Hattoum, M.D.Chillicothe, OH 456011437415569
  2. Choudhary Rayani, MDGallipolis, OH 456311376596692
  3. Robert Bulow, DOCenterville, OH 454591477552271
  4. Haseeb Jafri, M.D.Centerville, OH 454581801091541
  5. Mark Krebs, M.D.Dayton, OH 454401487653945
  6. Zubin Agarwal, M.D., M.P.H.Kettering, OH 454291861768061
  7. Saleem Ahmad, M.D.Kettering, OH 454291013973429
  8. Mujtaba Khan, MDDayton, OH 454151629047857

Common questions

What is John Jeffrey Keller, M.D.'s NPI number?

John Jeffrey Keller, M.D.'s National Provider Identifier (NPI) is 1700849114, issued on Apr 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John Jeffrey Keller, M.D. located?

The NPPES record lists a practice address at 4437 State Route 159, Chillicothe, OH, 45601. Phone: (740) 779-4570. Providers update this record themselves, so call before visiting.

How can I verify John Jeffrey Keller, M.D.'s license?

NPPES lists Ohio license number 35076888, 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 John Jeffrey Keller, M.D. prescribe under Medicare Part D?

In 2024, John Jeffrey Keller, M.D. had 877 Medicare Part D claims for 219 beneficiaries; the average among clinical cardiac electrophysiology physician prescribers was 1,710. Part D covers Medicare prescriptions only.

What is John Jeffrey Keller, M.D.'s MIPS final score?

The 2023 MIPS final score is 83.3 of 100. 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.