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

Grant P. Williams, MD

Individual provider Interventional Pain Medicine Physician · NPI 1013055128

Grant P. Williams, MD is an Interventional Pain Management in Glendale, California. Qualified in 1991, 35 years ago. Practices as a sole proprietor, works from 2 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
35
Licensed in
CA
In the registry since
2007
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

706 W Broadway Ste 202
Glendale, CA 91204-1032
Phone: (877) 331-3878
Show map & directions

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

Additional practice locations (1)

  • 1250 S Sunset Ave Ste 206, West Covina, CA 91790-3962 — (877) 331-3878

Specialties & licences

Interventional Pain Medicine Physician (primary) Taxonomy 208VP0014X · Licence A54235 (CA)

Record details

NPI number1013055128
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedFebruary 1, 2007
Last updated in NPPESJune 20, 2025
Certification dateJune 20, 2025
Mailing address2275 Huntington Dr Ste 371, San Marino, CA 91108-2640

Medicare enrollment

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

Medicare specialtyINTERVENTIONAL PAIN MANAGEMENT
Also practisesANESTHESIOLOGY, PAIN MANAGEMENT
Medical schoolOTHER
Graduated 1991 (35 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Glendale