JAMES WILLIAMS (D.O) – Emergency Medicine Physician, NPI 1376582031
Emergency Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for JAMES WILLIAMS (D.O)
San Antonio Post Office, San Marcelino-San Antonio-San Narciso Road, Rizal, Luna, Poblacion, San Antonio, Zambales, Central Luzon, 2206, Philippines
SAN ANTONIO, TX 782972099
Phone: (210) 558-6288
Fax: (210) 558-6289
Type: Mailing
University of Texas Health Science Center at San Antonio - Long Campus, 7703, Floyd Curl Drive, South Texas Medical Center, San Antonio, Bexar County, Texas, 78229, United States
SAN ANTONIO, TX 782293915
Phone: (210) 558-6288
Fax: (210) 558-6289
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 28 Open Payments records for all available years, with a total value of $32,175.
Total Amount is formed as General ($32,175) + Research ($0) + Ownership ($0) = $32,175.
Last reported payment date: 2024-05-23 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($15,260).
Total Amount
$32,175
General + Research + Ownership
Payments
28
Total payment records
General Amount
$32,175
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-05-23
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| AstraZeneca Pharmaceuticals LP | $15,260 |
| Alexion Pharmaceuticals, Inc. | $8,625 |
| Janssen Pharmaceuticals, Inc | $8,074 |
| Abbott Laboratories | $144 |
| Merz North America, Inc. | $73 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2009-03-06
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20090226000252 | I | Emergency Medicine | MD | TBD |
| I20090306000299 | I | Emergency Medicine | TX | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99285 | Emergency department visit with high level of medical decision making | 96 | 92 | $0 |
| 99291 | Critical care, first 30-74 minutes | 73 | 72 | $0 |
| 99284 | Emergency department visit with moderate level of medical decision making | 38 | 38 | $0 |
| 99283 | Emergency department visit with low level of medical decision making | 14 | 14 | $0 |
Insurance plans in this area (ZIP 78297)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | MI | |
| - | TX | |
| - | TX | |
| - | TX |
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