John M. Williamson
Psychiatric/Mental Health Nurse Practitioner · Westerville, OH
John M. Williamson is a psychiatric/mental health nurse practitioner with a practice address in Westerville, Ohio, and NPI 1740847946, issued on May 22, 2019. Check the license (Ohio APRN.CNP.025091, as entered in NPPES) with the Ohio board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John M. Williamson
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- APRN.CNP.025091 OH
Self-reported in NPPES; status is on the state search - Practice location
- 5011 Pine Creek Dr, Westerville, OH 43081
- Phone
- (614) 948-3273
- Enumerated
- May 22, 2019
- Record last updated
- Apr 1, 2025
- Fax
- (855) 740-2025
- Medicare enrollment
- Enrolled (PECOS I20191015000834); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 2,498 in Ohio → Look up another NPI →
Also registered at 5011 Pine Creek Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Isabella Adornetto, LPCMental Health Counselor1790591642
- Hayfa Bouzouita, CTMental Health Counselor1396609905
- Jessi Carmichael, CTMental Health Counselor1831077825
- Jennifer Eller, LSWSocial Worker1386427342
- Lisa Evans, MSW, ILSWClinical Social Worker1235867953
- Magdalini GeorgakopoulosMental Health Counselor1437024098
Verify John M. Williamson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Ohio board licenses this profession
Search for license APRN.CNP.025091Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
309 Medicare Part D claims for 36 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Buprenorphine-Naloxone46 claims
- Trazodone Hcl19 claims
- Bupropion Hcl Sr16 claims
- Escitalopram Oxalate16 claims
- Gabapentin15 claims
- Clonidine Hcl13 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: $12,895.14
48 payments; by number, the most common kind was food and beverage; the largest payer was Axsome Therapeutics, Inc. The 23,362 providers of this specialty with any payment received $1,027.77 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Serenity Behavioral Health Services, Inc.Westerville, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John M. Williamson among 2,498 psychiatric/mental health nurse practitioner records in Ohio
John M. Williamson is one of 2,498 psychiatric/mental health nurse practitioner records with a practice address in Ohio. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 38% of them.
- NPI issued2019 · 38% of these records are older, 56% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2019 · median 2021 among the 1,546 with a school on file
- Record last updated2025 · 21% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatric/Mental Health Nurse Practitioner providers in Ohio
There are 2,498 psychiatric/mental health nurse practitioner records in Ohio.
All 2,498 in Ohio → Every provider in Westerville → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Laura Brewer, PMHNP-BCWesterville, OH 430811750169694
- Karen Clum, APRNWesterville, OH 430811538576244
- Nenneh Davies, PMHNP-BCWesterville, OH 430811316179880
- Bethany Downey, PMHNPWesterville, OH 430811669889952
- William English, PMHNPWesterville, OH 430811184085474
- Amy Everhart, PMHNP-BCWesterville, OH 430811376187427
- Jamie Graham, PMHNPWesterville, OH 430811194190645
- Chelsea Keselman, APRN-CNP, PMHNP-BCWesterville, OH 430811477219384
Common questions
What is John M. Williamson's NPI number?
John M. Williamson's National Provider Identifier (NPI) is 1740847946, issued on May 22, 2019. An NPI identifies a provider in billing; it is not a license.
Where is John M. Williamson located?
The NPPES record lists a practice address at 5011 Pine Creek Dr, Westerville, OH, 43081. Phone: (614) 948-3273. Providers update this record themselves, so call before visiting.
How can I verify John M. Williamson's license?
NPPES lists Ohio license number APRN.CNP.025091, as entered by the provider. Search the Ohio board that licenses this profession; the NPPES record confirms identity only.
How much does John M. Williamson prescribe under Medicare Part D?
In 2024, John M. Williamson had 309 Medicare Part D claims for 36 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. 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.