WILLIAM WANG (M.D.) – Psychiatry Physician, NPI 1306950985
Psychiatry Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
819 PSYCHIATRY in MO
Provider Addresses for WILLIAM WANG (M.D.)
12303 DEPAUL DRIVE
BRIDGETON, MO 63044
Phone: (314) 441-9594
Type: Mailing
9506 OLIVE BLVD STE 414
SAINT LOUIS, MO 631323104
Phone: (314) 441-9594
Type: Mailing
PO BOX 8412
SAINT LOUIS, MO 631320412
Phone: (314) 441-9594
Type: Mailing
601 ARROW LN
O FALLON, MO 633664410
Phone: (314) 441-9594
Type: Location
255, Spencer Road, Saint Peters, Saint Charles County, Missouri, 63376, United States
SUITE 201
SAINT PETERS, MO 633762494
Phone: (636) 939-2550
Fax: (636) 939-2551
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $252.
Total Amount is formed as General ($252) + Research ($0) + Ownership ($0) = $252.
Last reported payment date: 2024-11-13 • Largest payer in this snapshot: E.R. Squibb & Sons, L.L.C. ($252).
Total Amount
$252
General + Research + Ownership
Payments
2
Total payment records
General Amount
$252
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-13
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| E.R. Squibb & Sons, L.L.C. | $252 |
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: 2006-11-02
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
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 |
|---|---|---|---|---|
| I20061102000354 | I | Psychiatry | MO | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 253 | 34 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 197 | 49 | $0 |
| 90792 | Psychiatric diagnostic evaluation with medical services | 73 | 71 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 52 | 40 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 42 | 31 | $0 |
Insurance plans in this area (ZIP 63044)
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