NPPES file of Aug 9, 2026

Kyle G. Denihan, DO

Family Medicine Physician · Castalia, OH

Kyle G. Denihan, DO is a family medicine physician with a practice address in Castalia, Ohio, and NPI 1780323436, issued on Jun 1, 2022. Check the license (Ohio 34.016878, 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
1780323436
Name
Kyle G. Denihan
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
34.016878 OH
Self-reported in NPPES; status is on the state search
Practice location
101 S Washington St, Castalia, OH 44824
Phone
(419) 684-5369
Enumerated
Jun 1, 2022
Record last updated
Sep 19, 2025
Fax
(419) 684-7238
Medicare enrollment
Enrolled (PECOS I20250630003128); accepts Medicare assignment
Medical or professional school
Ohio University, College Of Osteopathic Medicine, 2022
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 101 S Washington St

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

  1. Brett Kuns, D.O.Family Medicine Physician1053314278
  2. Bryan Kuns, D.O.Family Medicine Physician1750384814

Verify Kyle G. Denihan 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 34.016878
    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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68% fewer Medicare Part D claims than the average family medicine physician in 2024

1,143 Medicare Part D claims for 98 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Kyle Denihan1,143
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium99 claims
  2. Albuterol Sulfate Hfa68 claims
  3. Omeprazole59 claims
  4. Lisinopril58 claims
  5. Gabapentin43 claims
  6. Amlodipine Besylate36 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.

Industry payments in 2024: $84.47

5 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Kyle Denihan$84.47
  2. Specialty average$902.55

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. North Coast Professional Company, LLCCastalia, OH

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

Kyle G. Denihan among 5,606 family medicine physician records in Ohio

Kyle G. Denihan, 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 2022, is newer than 93% of them.

  • NPI issued2022 · 93% of these records are older, 4% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2022 · median 2005 among the 3,510 with a school on file
  • Record last updated2025 · 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).

3 family medicine physician records list a practice address in Castalia

They are 3 of the 47 NPPES records with a practice address in Castalia, and 5,606 family medicine physician records in Ohio.

The 8 family medicine physician records with the nearest ZIP codes

  1. Brett Kuns, D.O.Castalia, OH 448241053314278
  2. Bryan Kuns, D.O.Castalia, OH 448241750384814
  3. Sarah Metzger, MDCrestline, OH 448271255642971
  4. Keith Blair, MDBucyrus, OH 448201508968041
  5. Vicki Bowers, M.D.Bucyrus, OH 448201235124124
  6. Andrew Gerken, MDBucyrus, OH 448201134185051
  7. Christopher Johnson, D.O.Bucyrus, OH 448201437322013
  8. Amanda Kovolyan, MDBucyrus, OH 448201801117601

Common questions

What is Kyle G. Denihan, DO's NPI number?

Kyle G. Denihan, DO's National Provider Identifier (NPI) is 1780323436, issued on Jun 1, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Kyle G. Denihan, DO located?

The NPPES record lists a practice address at 101 S Washington St, Castalia, OH, 44824. Phone: (419) 684-5369. Providers update this record themselves, so call before visiting.

How can I verify Kyle G. Denihan, DO's license?

NPPES lists Ohio license number 34.016878, 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 Kyle G. Denihan, DO prescribe under Medicare Part D?

In 2024, Kyle G. Denihan, DO had 1,143 Medicare Part D claims for 98 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.