DR. SANJAY MASSON (MD) – Psychiatry Physician, NPI 1982609756
Psychiatry Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for DR. SANJAY MASSON (MD)
PO BOX 2610
MOORPARK, CA 930202610
Phone: (805) 379-0500
Fax: (805) 379-0500
Type: Mailing
21350 W 153RD ST
OLATHE, KS 660615413
Phone: (913) 890-7468
Fax: (913) 529-2900
Type: Mailing
21277 W 153RD ST
OLATHE, KS 660615424
Phone: (913) 890-7468
Fax: (913) 529-2900
Type: Location
East Thousand Oaks Boulevard, Greenwich Village, Thousand Oaks, Ventura County, California, 91360, United States
THOUSAND OAKS, CA 913608161
Phone: (559) 827-4111
Type: Location
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: 2005-11-28
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 |
|---|---|---|---|---|
| I20051128000344 | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 153 | 16 | $0 |
Insurance plans in this area (ZIP 93020)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Cardiovascular Disease (Cardiology), Internal Medicine | CA | |
| Nurse Practitioner | CA | |
| - | CA | |
| - | CA | |
| Family Practice | CA | |
| - | CA | |
| Orthopedic Surgery | CA | |
| - | CA | |
| - | CA | |
| Family Practice | CA |
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