MICHAEL H TOLWIN (M.D.) – Psychiatry Physician, NPI 1497797427
Psychiatry Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,134 PSYCHIATRY in CA
Loading map...
Provider Addresses for MICHAEL H TOLWIN (M.D.)
3831, Hughes Avenue, Palms, Los Angeles, Los Angeles County, California, 90232, United States
SUITE 506
CULVER CITY, CA 902322751
Phone: (310) 280-9670
Fax: (310) 280-9675
Type: Location
5000 OVERLAND AVE STE 108
CULVER CITY, CA 902304969
Phone: (310) 280-9670
Fax: (310) 280-9675
Type: Location
PO BOX 34841
LOS ANGELES, CA 900340841
Phone: (310) 280-9670
Fax: (310) 280-9675
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 193 Open Payments records for all available years, with a total value of $3,413.
Total Amount is formed as General ($3,413) + Research ($0) + Ownership ($0) = $3,413.
Last reported payment date: 2024-12-17 • Largest payer in this snapshot: Janssen Pharmaceuticals, Inc ($855).
Total Amount
$3,413
General + Research + Ownership
Payments
193
Total payment records
General Amount
$3,413
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Janssen Pharmaceuticals, Inc | $855 |
| Alkermes, Inc. | $453 |
| ITI, Inc. | $435 |
| ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) | $343 |
| ABBVIE INC. | $264 |
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: 2010-09-02
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 |
|---|---|---|---|---|
| I20100902000724 | I | Psychiatry | CA | 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 |
|---|---|---|---|---|
| 90833 | Psychotherapy with evaluation and management visit, 30 minutes | 2,342 | 437 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 759 | 163 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 530 | 192 | $0 |
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 381 | 42 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 367 | 102 | $0 |
Insurance plans in this area (ZIP 90232)
Loading plans...
Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | CA | |
| Nurse Practitioner | CA | |
| Nurse Practitioner | CA | |
| Nurse Practitioner | CA | |
| Nurse Practitioner | CA | |
| - | CA | |
| Clinical Psychologist | CA | |
| Nurse Practitioner | CA | |
| - | CA | |
| Nurse Practitioner | CA |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.