GARWEN CHEN (MD) – Psychiatry Physician, NPI 1972959617
Psychiatry Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
819 PSYCHIATRY in MO
Provider Addresses for GARWEN CHEN (MD)
10018 KENNERLY RD
SAINT LOUIS, MO 631282106
Phone: (314) 525-7275
Type: Mailing
851 E 5th St Ste 154
Washington, MO 630903136
Phone: (636) 239-8677
Type: Location
2211 Mayfair Dr Ste 409
Owensboro, KY 423014570
Phone: (270) 417-7980
Fax: (270) 417-7989
Type: Location
908 Wallace Ave Ste 201
Leitchfield, KY 427541495
Phone: (270) 230-0212
Fax: (270) 230-0104
Type: Location
UofL Physicians Outpatient Center, 401, East Chestnut Street, Louisville, Jefferson County, Kentucky, 40202, United States
SUITE 600
LOUISVILLE, KY 402025700
Phone:
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2021-01-13
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 |
|---|---|---|---|---|
| I20190725000496 | I | Psychiatry | KY | TBD |
| I20210113001805 | 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 | 89 | 33 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 57 | 23 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 43 | 43 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 41 | 39 | $0 |
Insurance plans in this area (ZIP 63128)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | KY | |
| - | CA | |
| O T O L A R Y N G O L O G Y | KY | |
| - | KY | |
| O T O L A R Y N G O L O G Y | MO | |
| - | KY | |
| Family Practice | IA | |
| - | KY | |
| Emergency Medicine | KY | |
| - | KY |
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