NPPES file of Aug 9, 2026

Katherine Joy Ruhlman, CNP

Family Nurse Practitioner · Dayton, OH

Katherine Joy Ruhlman, CNP is a family nurse practitioner with a practice address in Dayton, Ohio, and NPI 1609249119, issued on Nov 5, 2015. Check the license (Ohio COA.18293-NP, as entered in NPPES) with the Ohio board that licenses this profession; 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
1609249119
Name
Katherine Joy Ruhlman
Credential
CNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
COA.18293-NP OH
Self-reported in NPPES; status is on the state search
Practice location
6438 Wilmington Pike Ste 100, Dayton, OH 45459
Phone
(937) 558-3840
Enumerated
Nov 5, 2015
Record last updated
Apr 8, 2025
Fax
(937) 558-3844
Medicaid ID
0150050 OH
Medicare enrollment
Enrolled (PECOS I20151124000315); accepts Medicare assignment
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 6438 Wilmington Pike Ste 100

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

  1. Erin Bates, M.D.Family Medicine Physician1902225741
  2. Mara Bryan, MDFamily Medicine Physician1013667823
  3. Macey GrossPhysician Assistant1912528027
  4. Kali Hollingsworth, D.O.Family Medicine Physician1245565944

Verify Katherine Joy Ruhlman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Ohio board licenses this profession
    Search for license COA.18293-NP    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
Find 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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44% fewer Medicare Part D claims than the average family nurse practitioner in 2024

731 Medicare Part D claims for 146 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 28 claims were for opioids.

  1. Katherine Ruhlman731
  2. Specialty average1,305

Most prescribed

  1. Omeprazole44 claims
  2. Levothyroxine Sodium34 claims
  3. Amlodipine Besylate29 claims
  4. Famotidine26 claims
  5. Lisinopril25 claims
  6. Atorvastatin Calcium24 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

  1. Alliance Physicians IncWest Carrollton, OH

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

240 family nurse practitioner records list a practice address in Dayton

They are 240 of the 12,431 NPPES records with a practice address in Dayton, and 9,647 family nurse practitioner records in Ohio.

All 240 in Dayton → All 9,647 in Ohio → Every provider in Dayton →

Other family nurse practitioner records in Ohio

  1. Alicia Abate, CRNPSteubenville, OH1477851848
  2. Isabel Abba-Mesue, CNPCincinnati, OH1124264379
  3. Carol Abbott, APRNCincinnati, OH1932191681
  4. Lina Abdel-Rasoul, APRN-CNPFindlay, OH1841092772
  5. Fardowsa Abdirahman, FNP-CColumbus, OH1881528586
  6. Roda Abdirizak, FNPWesterville, OH1386358125
  7. Ashley Abdul-KarimLakewood, OH1720843170
  8. Amina Abdule, APRN-CNPColumbus, OH1316346786
  9. Khetam Abed, NP-CSolon, OH1992322556
  10. Beth AbeleCircleville, OH1790279420

Common questions

What is Katherine Joy Ruhlman, CNP's NPI number?

Katherine Joy Ruhlman, CNP's National Provider Identifier (NPI) is 1609249119, issued on Nov 5, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Joy Ruhlman, CNP located?

The NPPES record lists a practice address at 6438 Wilmington Pike Ste 100, Dayton, OH, 45459. Phone: (937) 558-3840. Providers update this record themselves, so call before visiting.

How can I verify Katherine Joy Ruhlman, CNP's license?

NPPES lists Ohio license number COA.18293-NP, as entered by the provider. Search the Ohio board that licenses this profession; the NPPES record confirms identity only.

How much does Katherine Joy Ruhlman, CNP prescribe under Medicare Part D?

In 2024, Katherine Joy Ruhlman, CNP had 731 Medicare Part D claims for 146 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.