Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. James Rex Walker, MD

Individual provider Addiction Psychiatry Physician · NPI 1578901500

Dr. James Rex Walker, MD is a Psychiatry in Greer, South Carolina. Qualified in 2013, 13 years ago. Practices with Ria Health PC, a 16-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in South Carolina.

Years since qualifying
13
Licensed in
SC
In the registry since
2013
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

2700 E Phillips Rd
Greer, SC 29650-4815
Phone: (864) 235-2335
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 2700 Coltsgate Rd Ste 106, Charlotte, NC 28211-3573 — (864) 661-6307

Specialties & licences

Addiction Psychiatry Physician (primary) Taxonomy 2084P0802X · Licence MD35703 (SC)

Record details

NPI number1578901500
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 12, 2013
Last updated in NPPESAugust 25, 2025
Certification dateAugust 25, 2025
Mailing address2700 E Phillips Rd, Greer, SC 29650-4815

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPSYCHIATRY
Medical schoolOTHER
Graduated 2013 (13 years in practice)
Group practice Ria Health Pc — 16 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

Other providers in Greer