NPPES file of Aug 9, 2026

John Zakhary, DO

Family Medicine Physician · Rocky River, OH

John Zakhary, DO is a family medicine physician with a practice address in Rocky River, Ohio, and NPI 1780388256, issued on Mar 29, 2023. Check the license (Ohio 34.018744, 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
1780388256
Name
John Zakhary
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
34.018744 OH
Self-reported in NPPES; status is on the state search
Practice location
19324 Detroit RD, Rocky River, OH 44116
Phone
(440) 356-3640
Enumerated
Mar 29, 2023
Record last updated
Jul 20, 2026
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 19324 Detroit RD

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

  1. David Brill, DOFamily Medicine Physician1811096746
  2. Kevin ChristopherFamily Medicine Physician1942731088
  3. Gina Digeronimo, NP-CNurse Practitioner1295379006
  4. Cory Fisher, DOFamily Medicine Physician1730304304
  5. Natalia Hryniewicz, APRNFamily Nurse Practitioner1376248286
  6. Harkiran Saini, MDFamily Medicine Physician1255746103

Verify John Zakhary 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 34.018744
    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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91% fewer Medicare Part D claims than the average family medicine physician in 2024

313 Medicare Part D claims for 64 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. John Zakhary313
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium22 claims
  2. Metoprolol Succinate17 claims
  3. Allopurinol16 claims
  4. Albuterol Sulfate Hfa15 claims
  5. Chlorthalidone13 claims
  6. Amlodipine Besylate11 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.

John Zakhary among 5,606 family medicine physician records in Ohio

John Zakhary, DO is one of 5,606 family medicine physician records with a practice address in Ohio. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 96% of them.

  • NPI issued2023 · 96% of these records are older, 2% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileNo · 63% of these records are
  • Record last updated2026 · 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 207Q00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

14 family medicine physician records list a practice address in Rocky River

They are 14 of the 396 NPPES records with a practice address in Rocky River, and 5,606 family medicine physician records in Ohio.

The 8 family medicine physician records with the nearest ZIP codes

  1. David Brill, DORocky River, OH 441161811096746
  2. Rosario Celerio, M.D.Rocky River, OH 441161780781674
  3. Angela Chavez, D.O.Rocky River, OH 441161114129913
  4. Kevin ChristopherRocky River, OH 441161942731088
  5. Cory Fisher, DORocky River, OH 441161730304304
  6. Rebecca Fredrick, DORocky River, OH 441161346449014
  7. David Gumucio, D.O.Rocky River, OH 441161083900252
  8. Ashley Re, MDRocky River, OH 441161619619855

Common questions

What is John Zakhary, DO's NPI number?

John Zakhary, DO's National Provider Identifier (NPI) is 1780388256, issued on Mar 29, 2023. An NPI identifies a provider in billing; it is not a license.

Where is John Zakhary, DO located?

The NPPES record lists a practice address at 19324 Detroit RD, Rocky River, OH, 44116. Phone: (440) 356-3640. Providers update this record themselves, so call before visiting.

How can I verify John Zakhary, DO's license?

NPPES lists Ohio license number 34.018744, 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 Zakhary, DO prescribe under Medicare Part D?

In 2024, John Zakhary, DO had 313 Medicare Part D claims for 64 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.