Individual Healthcare Provider
Ryan Alan Williamson, M.D.
Provider's NPPES record last updated: January 21, 2025
Overview
- Entity Type
- Individual Healthcare Provider
- NPI
- 1003234204
- Primary Specialty
- Psychiatry & Neurology — Neurology
- Practice Location
- Charlotte, North Carolina
- Sole Proprietor
- No
Federal Screening
NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.
List of Excluded Individuals/Entities (LEIE)
HHS Office of Inspector General
No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.
- Source data
- September 10, 2026
- Records indexed
- 84,001
- Screened
- Sep 18, 2026, 7:09 AM UTC
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
SAM.gov Exclusions
U.S. General Services Administration
SAM.gov Exclusions was not checked.
SAM.gov screening is not configured on this deployment. No SAM check has been performed.
- Screened
- Not checked
This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
Searches OIG LEIE and SAM.gov by name and reviews every potential match.
Specialties & Taxonomies
- Primary
Psychiatry & Neurology
Neurology
Allopathic & Osteopathic Physicians
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
Taxonomy code 2084N0400X
Provider-Reported License Information
- Psychiatry & Neurology (North Carolina)
- 2018-02818
- Psychiatry & Neurology (Virginia)
- 0101264099
- Psychiatry & Neurology (Oregon)
- MD213220
- Psychiatry & Neurology (Washington)
- MD61581286
- Psychiatry & Neurology (Georgia)
- 102610
Practice Locations
Practice Location
200 Hawthorne Ln
Charlotte, North Carolina 28204-2515
Phone: (704) 384-9437
Additional Practice Location
301 Riverview Ave Ste 202a
Norfolk, Virginia 23510-1065
Phone: (757) 252-9015
Additional Practice Location
100 Brewster Blvd
Camp Lejeune, North Carolina 28547-2575
Phone: (910) 450-4300
Additional Practice Location
501 N Graham St Ste 445
Portland, Oregon 97227-2002
Phone: (503) 413-6166
Additional Practice Location
1000 Johnson Ferry Rd
Atlanta, Georgia 30342-1606
Phone: (404) 851-8000
Fax: (404) 303-3759
Record Information
- Enumeration Date
- April 3, 2014
- Provider's NPPES Record Last Updated
- January 21, 2025
- Certification Date
- January 21, 2025
- NPISignal NPPES Dataset
- August 2026
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