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GRANT P. WILLIAMS M.D.
NPI 1013055128
Pain Medicine - Interventional Pain Medicine in Glendale, CA

Active since February 01, 2007PECOS EnrolledAccepts Medicare Assignment
706 W BROADWAY STE 202, GLENDALE, CA 91204(877) 331-3878 Get Directions Write a Review

NPPES record last updated: June 20, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Grant P. Williams M.d. NPPES

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

GRANT P. WILLIAMS M.D. (NPI 1013055128) is an individual interventional pain medicine provider in Glendale, California, licensed in California (A54235) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS, maintains a secondary practice location in West Covina, and is a graduate of Other (1991).

NPPES Registry Identity

NPI1013055128
Entity TypeIndividualMale
Primary Taxonomy208VP0014X
Provider Legal NameGRANT P. WILLIAMSCredential: M.D.
Location Address706 W BROADWAY STE 202Glendale, CA 91204-1032
Mailing Address2275 Huntington Dr Ste 371San Marino, CA 91108-2640 · (877) 331-3878 · Fax (888) 578-6188
Phone(877) 331-3878
Sole ProprietorYes
Medical School CMSOtherGraduated 1991
Enumeration DateFebruary 1, 2007
Last NPPES UpdateJune 20, 2025
NPPES CertifiedJune 20, 2025
✔ NPI 1013055128 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPain Medicine · Interventional Pain MedicineAllopathic & Osteopathic Physicians
Taxonomy Code208VP0014X
License✔ Licensed in CA · A54235
Definition
Interventional Pain Medicine is the discipline of medicine devoted to the diagnosis and treatment of pain and related disorders principally with the application of interventional techniques in managing subacute, chronic, persistent, and intractable pain, independently or in conjunction with other modalities of treatment.
706 W BROADWAY STE 202, Glendale, CA 91204
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Secondary Practice Location 1

Location 11250 S Sunset Ave Ste 206West Covina, CA 91790-3962 · Phone (877) 331-3878 · Fax (888) 578-6188

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Grant P. Williams M.d. 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 ID3375560675
PECOS Enrollment IDI20051026000629
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.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
601 services55 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91204 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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.

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 Grant Williams's NPI number?

The NPI number for Grant Williams is 1013055128. It was assigned to this individual provider in the NPPES registry on February 1, 2007.

Where is Grant Williams located?

Grant Williams practices at 706 W Broadway Ste 202, Glendale, CA 91204. The listed phone number is (877) 331-3878.

What is Grant Williams's specialty?

The primary specialty registered for this NPI is Pain Medicine, specializing in Interventional Pain Medicine, with taxonomy code 208VP0014X.

Is Grant Williams enrolled in Medicare?

Yes. Grant Williams 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.

When was this NPI record last updated?

The NPPES record for Grant Williams was last updated on June 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.