DR. JOSHUA MARK FLATOW (M.D.) – Psychiatry Physician, NPI 1487996302
Psychiatry Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,134 PSYCHIATRY in CA
Provider Addresses for DR. JOSHUA MARK FLATOW (M.D.)
1580 1st St
Napa, CA 945592841
Phone: (770) 855-1464
Fax: (507) 262-3948
Type: Location
4840 MINDORA DR
TORRANCE, CA 905052140
Phone: (424) 262-1521
Type: Mailing
320 PINE AVE
STE 609
LONG BEACH, CA 908022310
Phone: (562) 279-0180
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 12 Open Payments records for all available years, with a total value of $1,680.
Total Amount is formed as General ($1,680) + Research ($0) + Ownership ($0) = $1,680.
Last reported payment date: 2024-06-20 • Largest payer in this snapshot: Janssen Pharmaceuticals, Inc ($1,533).
Total Amount
$1,680
General + Research + Ownership
Payments
12
Total payment records
General Amount
$1,680
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-06-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Janssen Pharmaceuticals, Inc | $1,533 |
| ABBVIE INC. | $125 |
| Axsome Therapeutics, Inc. | $21 |
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: 2016-08-29
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 |
|---|---|---|---|---|
| I20160829002196 | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 94559)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | AZ | |
| Physician Assistant | CA | |
| Nurse Practitioner | CA | |
| Nurse Practitioner | CA | |
| Nurse Practitioner | CA | |
| Physician Assistant | CA | |
| Clinical Social Worker | IN | |
| Physician Assistant | CA | |
| Physician Assistant | CA | |
| Nurse Practitioner | CA |
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