DR. LAISHANG PETER ZHANG (M.D.) – Psychiatry Physician, NPI 1235143942
Psychiatry Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
819 PSYCHIATRY in MO
Provider Addresses for DR. LAISHANG PETER ZHANG (M.D.)
777, Craig Road, Creve Coeur Executive Office Park, Creve Coeur, Saint Louis County, Missouri, 63141, United States
SUITE 200
CREVE COEUR, MO 631417190
Phone: (314) 991-2500
Fax: (314) 991-2504
Type: Mailing
615 S New Ballas Rd
Saint Louis, MO 631418221
Phone: (314) 251-6663
Type: Location
1400 US HIGHWAY 61 STE H1521
FESTUS, MO 630284100
Phone: (314) 251-6663
Type: Mailing
1400 US HIGHWAY 61
FESTUS, MO 630284100
Phone: (314) 251-6663
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $358.
Total Amount is formed as General ($358) + Research ($0) + Ownership ($0) = $358.
Last reported payment date: 2024-09-04 • Largest payer in this snapshot: Teva Pharmaceuticals USA, Inc. ($238).
Total Amount
$358
General + Research + Ownership
Payments
3
Total payment records
General Amount
$358
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-04
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Teva Pharmaceuticals USA, Inc. | $238 |
| Alkermes, Inc. | $120 |
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: 2025-08-12
PECOS data refreshed: 2026-05-27
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 |
|---|---|---|---|---|
| I20040430000804 | I | Psychiatry | MO | TBD |
| I20250630001876 | I | Psychiatry | IL | TBD |
| I20250812003367 | I | Psychiatry | 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 |
|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 1,099 | 218 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 996 | 220 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 226 | 190 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 202 | 170 | $0 |
| 99238 | Hospital discharge day management, 30 minutes or less | 54 | 50 | $0 |
Insurance plans in this area (ZIP 63141)
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