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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JAMES BRIAN WILLIAMS DO
NPI 1477512960
Emergency Medicine in Tulsa, OK

Active since March 22, 2006PECOS Enrolled
4500 S GARNETT RD, STE 919, TULSA, OK 74146(918) 728-6145 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About James Brian Williams Do NPPES

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

JAMES BRIAN WILLIAMS DO (NPI 1477512960) is an individual emergency medicine provider in Tulsa, Oklahoma, licensed in Oklahoma (4004) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1477512960
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameJAMES BRIAN WILLIAMSCredential: DO
Location Address4500 S GARNETT RD, STE 919Tulsa, OK 74146-5229
Mailing Address4500 S Garnett Rd, Ste 919Tulsa, OK 74146-5229 · (918) 728-6145
Phone(918) 728-6145
Sole ProprietorNo
Enumeration DateMarch 22, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1477512960 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in OK · 4004
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
4500 S GARNETT RD, Tulsa, OK 74146
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Insurance Company.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

James Brian Williams Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 3

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
84 services81 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
59 services58 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
22 services22 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 74146 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
$82.46 typical visit price
range $53.00 – $162.61
Typical copayment $20.61 (range $13.25 – $40.65)
Most-billed visit code 99203
Established Patient
$94.27 typical visit price
range $16.68 – $132.40
Typical copayment $23.56 (range $4.17 – $33.10)
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 20

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

LARRY ASHLEY CRNA
Nurse Anesthetist, Certified Registered
4500 S GARNETT RD, STE 919
TULSA, OK 74146
Tulsa County (918) 728-6145
VICTORIA HOSPITALIST ASSOCIATES, LLC
Hospitalist
4500 S GARNETT RD, STE 919
TULSA, OK 74146
Tulsa County (918) 728-6145
DR. JONATHAN D FRIEND MD
Anesthesiology
4500 S GARNETT RD, STE 919
TULSA, OK 74146
Tulsa County (918) 728-6194
ERICH H MUCKALA DO
Radiology (Diagnostic Radiology)
4500 S GARNETT RD, STE 300
TULSA, OK 74146
Tulsa County (918) 728-6194
DR. CHRISTOS EUGENE VASSILIOU DO
Radiology (Diagnostic Radiology)
4500 S GARNETT RD, STE 919
TULSA, OK 74146
Tulsa County (918) 728-6194
PROVIDENCE RADIOLOGY
Radiology (Diagnostic Radiology)
4500 S GARNETT RD, STE 919
TULSA, OK 74146
Tulsa County (918) 728-6145
MUSKOGEE RADIOLOGICAL GROUP INC
Radiology (Diagnostic Radiology)
4500 S GARNETT RD, STE 919
TULSA, OK 74146
Tulsa County (918) 728-6145
RUSSELL WAYNE ANDERSON DO
Emergency Medicine
4500 S GARNETT RD, STE 919
TULSA, OK 74146
Tulsa County (918) 728-6145

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 James Williams's NPI number?

The NPI number for James Williams is 1477512960. It was assigned to this individual provider in the NPPES registry on March 22, 2006.

Where is James Williams located?

James Williams practices at 4500 S Garnett Rd Ste 919, Tulsa, OK 74146. The listed phone number is (918) 728-6145.

What is James Williams's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is James Williams enrolled in Medicare?

Yes. James Williams is registered in the Medicare PECOS enrollment system.

What insurance does James Williams accept?

Health plans from Oscar Insurance Company list James Williams 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 James Williams was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 days 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.