John Williamson
NPI 1740847946 · Psychiatric/Mental Health Nurse Practitioner · Westerville, OH
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Williamson is a Psychiatric/Mental Health Nurse Practitioner provider in Westerville, OH (NPI 1740847946).
Provider details
- NPI number
- 1740847946
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- APRN.CNP.025091 (OH)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
7 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Buprenorphine Hcl/Naloxone Hclbrand: Buprenorphine-Naloxone | 46 | 13 |
| Trazodone Hcl | 19 | — |
| Bupropion Hclbrand: Bupropion Hcl Sr | 16 | — |
| Escitalopram Oxalate | 16 | — |
| Gabapentin | 15 | — |
| Clonidine Hcl | 13 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$12,895 across 48 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-05-22
- Last updated
- 2025-04-01
- Certified
- 2025-04-01
Frequently asked questions
- What is John Williamson's NPI number?
- John Williamson's National Provider Identifier (NPI) is 1740847946, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Williamson's specialty?
- John Williamson is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is John Williamson located?
- John Williamson's practice location on file with NPPES is 5011 Pine Creek Dr, Westerville, OH 43081-4849.
- What is John Williamson's phone number?
- The practice phone number listed in the NPPES registry for John Williamson is (614) 948-3273.
- Does John Williamson accept Medicare?
- John Williamson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Williamson's NPI active?
- Yes — John Williamson's NPI (1740847946) is active in the NPPES registry as of the last update on 2025-04-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.