James Andrew Williams, MD
Emergency Medicine · Stockton, CA
At a glance
1800 N California St, Stockton, CA 95204-6019
NPPES record updated Nov 13, 2025. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
1800 N California StStockton, CA 95204-6019
Additional reported practice locations
825 Chalkstone AveProvidence, RI 029084728
Phone: 4014562000 200 High Service Ave
North Providence, RI 029045113
Phone: 4014563000 100 Kenyon Ave
Wakefield, RI 028794216
Phone: 4017828000
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 2021
- CMS specialties
- Emergency Medicine
Practice groups
- Emergency Care Services Of New England Pc
- Emergency Physician Associates Of New England Pc
- Emergency Physicians Of Connecticut Pc
- John T Mather Memorial Hospital
Reported hospital affiliations
- John T Mather Memorial Hospital Of Port Jefferson Port Jefferson, NY
- Our Lady Of Fatima Hospital North Providence, RI
- Roger Williams Medical Center Providence, RI
- South County Hospital Inc Wakefield, RI
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Service-mix comparison is unavailable for this NPI in the imported Medicare service file.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $149.13 |
Reporting companies
| Company | Amount |
|---|---|
| BTG INTERNATIONAL INC. | $149.13 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Emergency Medicine
- Taxonomy code
- 207P00000X
- Enumeration date
- Apr 5, 2022
- Record updated
- Nov 13, 2025
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- MD
Reported taxonomies and licenses
207P00000X
License reported: MD20843 RI
207P00000X · Primary
License reported: A198652 CA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
1800 N California StStockton, CA 95204-6019
- Phone
- (209) 547-7146
Mailing address
1800 N CALIFORNIA STSTOCKTON, CA 952046019
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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