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JOHN M WILLIAMSON PMHNP
NPI 1740847946
Nurse Practitioner - Psychiatric/Mental Health in Westerville, OH

Active since May 22, 2019PECOS EnrolledAccepts Medicare Assignment
5011 PINE CREEK DR, WESTERVILLE, OH 43081(614) 948-3273(855) 740-2025 Get Directions Write a Review

NPPES record last updated: August 26, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 26, 2026, Apr 1, 2025, Oct 10, 2024 and 1 more (4 updates tracked since 2019).

About John M Williamson Pmhnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOHN M WILLIAMSON PMHNP (NPI 1740847946) is an individual psychiatric/mental health provider in Westerville, Ohio, licensed in Ohio (APRN.CNP.025091) and active in the NPI registry since May 2019. He is enrolled in Medicare PECOS and is a graduate of Other (2019).

NPPES Registry Identity

NPI1740847946
Entity TypeIndividualMale
Primary Taxonomy363LP0808X
Provider Legal NameJOHN M WILLIAMSONCredential: PMHNP
Location Address5011 PINE CREEK DRWesterville, OH 43081-4849
Mailing Address5011 Pine Creek DrWesterville, OH 43081-4849 · (614) 948-3273 · Fax (855) 740-2025
Phone(614) 948-3273
Fax(855) 740-2025
Sole ProprietorYes
Medical School CMSOtherGraduated 2019
Enumeration DateMay 22, 2019
Last NPPES UpdateAugust 26, 20264 updates tracked since enumeration
NPPES CertifiedAugust 26, 2026
✔ NPI 1740847946 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in OH · APRN.CNP.025091
5011 PINE CREEK DR, Westerville, OH 43081
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, CareSource, MedMutual and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

John M Williamson Pmhnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7416288998
PECOS Enrollment IDI20191015000834
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show John Williamson reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Serenity Behavioral Health Services, Inc.
3.8 mi
Community/Behavioral Health
623 PARK MEADOW RD STE H
Westerville, OH 43081
  • Reassigned Medicare billing, Ohio enrollment
  • 26 clinicians in this Medicare group
NPI 1952729477 (614) 774-1120
Lighthouse Behavioral Health Solutions, LLC
8.4 mi
Rehabilitation, Substance Use Disorder
4000 E MAIN ST
Columbus, OH 43213
  • Reassigned Medicare billing, Ohio enrollment
  • 19 clinicians in this Medicare group
NPI 1629560230 (614) 334-6903
Ohio State University
8.6 mi
Addiction Medicine
181 TAYLOR AVE
Columbus, OH 43203
  • Reassigned Medicare billing, Ohio enrollment
  • 56 clinicians in this Medicare group
NPI 1801854724 (614) 257-3760

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 43081 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$84.72 typical visit price
range $54.34 – $166.65
Typical copayment $21.18 (range $13.58 – $41.66)
Most-billed visit code 99203
Established Patient
$96.44 typical visit price
range $17.10 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 15

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

BETSY MATHESS MSW, LSW
Social Worker
5011 PINE CREEK DR
WESTERVILLE, OH 43081
Franklin County (614) 948-3273
MARY K WRIGHT LISW-S
Social Worker (Clinical)
5011 PINE CREEK DR
WESTERVILLE, OH 43081
Franklin County (614) 558-2440
NELLIMARIA LAVALLE LISW
Social Worker (Clinical)
5011 PINE CREEK DR
WESTERVILLE, OH 43081
Franklin County (614) 948-3273
EMILY SHONK CT
Counselor (Mental Health)
5011 PINE CREEK DR
WESTERVILLE, OH 43081
Franklin County (614) 948-3273
LISA EVANS MSW, LISW
Social Worker (Clinical)
5011 PINE CREEK DR
WESTERVILLE, OH 43081
Franklin County (614) 948-3273
LYDIA DECARLO CT
Counselor (Mental Health)
5011 PINE CREEK DR
WESTERVILLE, OH 43081
Franklin County (614) 948-3273
LINDA S STRAPP MSW, LISW-S
Social Worker (Clinical)
5011 PINE CREEK DR
WESTERVILLE, OH 43081
Franklin County (614) 948-3273
JENNIFER ELLER LSW
Social Worker
5011 PINE CREEK DR
WESTERVILLE, OH 43081
Franklin County (614) 948-3273

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Williamson's NPI number?

The NPI number for John Williamson is 1740847946. It was assigned to this individual provider in the NPPES registry on May 22, 2019.

Where is John Williamson located?

John Williamson practices at 5011 Pine Creek Dr, Westerville, OH 43081. The listed phone number is (614) 948-3273.

What is John Williamson's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is John Williamson enrolled in Medicare?

Yes. John Williamson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for John Williamson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), John Williamson reassigns Medicare benefits to 3 organizations: Serenity Behavioral Health Services, Inc. (Westerville, OH), Lighthouse Behavioral Health Solutions, LLC (Columbus, OH) and Ohio State University (Columbus, OH). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for John Williamson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does John Williamson accept?

Health plans from Anthem Blue Cross and Blue Shield, CareSource, MedMutual, Molina Healthcare and Oscar Health Insurance and 2 other insurers list John Williamson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for John Williamson was last updated on August 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.