DR. ROBERT LEE III HOOK (M.D.) – Emergency Medicine Physician, NPI 1184659062
Emergency Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for DR. ROBERT LEE III HOOK (M.D.)
PO BOX 661540
ARCADIA, CA 910661540
Phone: (626) 447-0296
Fax: (626) 447-6057
Type: Mailing
23845 McBean Pkwy
Valencia, CA 913552001
Phone: (661) 253-8112
Fax: (661) 253-8119
Type: Location
757 Westwood Plz Ste 1517
Los Angeles, CA 900952001
Phone: (310) 825-9111
Type: Location
5767 W CENTURY BLVD STE 400
LOS ANGELES, CA 900455631
Phone:
Type: Mailing
1250 16TH ST
SANTA MONICA, CA 904041249
Phone: (310) 794-7700
Type: Location
Henry Mayo Newhall Hospital, 23845, McBean Parkway, Valencia, Santa Clarita, Los Angeles County, California, 91355, United States
VALENCIA, CA 913552001
Phone: (661) 253-8112
Fax: (661) 253-8119
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $28.
Total Amount is formed as General ($28) + Research ($0) + Ownership ($0) = $28.
Last reported payment date: 2023-03-29 • Largest payer in this snapshot: ViiV Healthcare Company ($28).
Total Amount
$28
General + Research + Ownership
Payments
1
Total payment records
General Amount
$28
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-03-29
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ViiV Healthcare Company | $28 |
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: 2004-08-05
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 |
|---|---|---|---|---|
| I20040805001155 | I | Emergency Medicine | 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 |
|---|---|---|---|---|
| 99285 | Emergency department visit with high level of medical decision making | 217 | 212 | $0 |
| 99284 | Emergency department visit with moderate level of medical decision making | 113 | 113 | $0 |
| 93042 | Electrocardiogram (ecg) 1 to 3 leads with review by physician only | 93 | 92 | $0 |
| 99291 | Critical care, first 30-74 minutes | 30 | 30 | $0 |
| 99283 | Emergency department visit with low level of medical decision making | 19 | 19 | $0 |
Insurance plans in this area (ZIP 91066)
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Group practice members
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