JOSEPH DAVID SILVERSTEIN (P.A.) – Physician Assistant, NPI 1063454916
Physician Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
10,686 PHYSICIAN ASSISTANT in CA
Provider Addresses for JOSEPH DAVID SILVERSTEIN (P.A.)
5000 VAN NUYS BLVD STE 305
SHERMAN OAKS, CA 914031717
Phone: (818) 480-6456
Fax: (818) 205-1924
Type: Location
2920, Hyacinth Court, Thousand Oaks, Ventura County, California, 91360, United States
THOUSAND OAKS, CA 913601431
Phone: (805) 732-9712
Fax: (805) 493-5182
Type: Mailing
645 AERICK ST STE 3
INGLEWOOD, CA 903014884
Phone: (310) 431-4926
Fax: (805) 493-5182
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: 2004-01-08
PECOS data refreshed: 2026-06-15
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 |
|---|---|---|---|---|
| I20040108001111 | I | Physician Assistant | 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 |
|---|---|---|---|---|
| 99308 | Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes | 2,575 | 304 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 1,709 | 371 | $0 |
| 99439 | Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month | 1,231 | 337 | $0 |
| 92588 | Placement of ear probe for computerized measurement of repeated sounds with interpretation and report | 908 | 377 | $0 |
| 99490 | Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 844 | 337 | $0 |
Insurance plans in this area (ZIP 91403)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| PHYSICIAN ASSISTANT | CA | 90792 | Psychiatric diagnostic evaluation with medical services | 23 | 23 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CA | |
| Nurse Practitioner | CA | |
| - | CA | |
| Psychiatry, Geriatric Medicine | CA | |
| P S Y C H I A T R Y | CA |
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