DR. CHARLES R WILLIAMS (M.D.) – Anesthesiology Physician, NPI 1760526743
Anesthesiology Physician
Main info
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for DR. CHARLES R WILLIAMS (M.D.)
3230 E FLAMINGO RD # 334
LAS VEGAS, NV 891214320
Phone: (702) 454-8236
Fax: (702) 454-8279
Type: Mailing
8816 FOOTHILL BLVD STE 103
RANCHO CUCAMONGA, CA 917307199
Phone: (909) 484-2865
Fax: (909) 941-6974
Type: Mailing
6331 GREENLEAF AVE # 8
WHITTIER, CA 906013553
Phone: (562) 556-8114
Type: Location
PO BOX 25033
SANTA ANA, CA 927995033
Phone: (714) 347-1010
Fax: (714) 347-1082
Type: Mailing
681 S PARKER ST STE 150
ORANGE, CA 92868
Phone: (714) 744-0900
Fax: (714) 744-9232
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 9 Open Payments records for all available years, with a total value of $520.
Total Amount is formed as General ($520) + Research ($0) + Ownership ($0) = $520.
Last reported payment date: 2024-11-16 • Largest payer in this snapshot: Medtronic, Inc. ($398).
Total Amount
$520
General + Research + Ownership
Payments
9
Total payment records
General Amount
$520
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-16
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Medtronic, Inc. | $398 |
| Medical Device Business Services, Inc. | $67 |
| RIWOspine, Inc. | $55 |
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: 2008-09-29
PECOS data refreshed: 2026-06-15
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
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 |
|---|---|---|---|---|
| I20070710000307 | I | Anesthesiology | CA | TBD |
| I20080410000177 | I | Pain Management | AZ | TBD |
| I20080929000628 | I | Anesthesiology | VA | 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 |
|---|---|---|---|---|
| 00811 | Anesthesia for other procedure on large bowel using an endoscope | 30 | 30 | $0 |
| 00731 | Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 13 | 13 | $0 |
Insurance plans in this area (ZIP 89121)
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Reviews
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