DR. BRIAN LEISH (M.D.) – Family Medicine Physician, NPI 1417087073
Family Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
13,194 FAMILY PRACTICE in CA
Provider Addresses for DR. BRIAN LEISH (M.D.)
24411 HEALTH CENTER DR
SUITE 460
LAGUNA HILLS, CA 926533687
Phone: (949) 373-7799
Type: Mailing
PO BOX 35380
LAS VEGAS, NV 891335380
Phone: (702) 579-3203
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 37 Open Payments records for all available years, with a total value of $742.
Total Amount is formed as General ($742) + Research ($0) + Ownership ($0) = $742.
Last reported payment date: 2023-12-13 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($148).
Total Amount
$742
General + Research + Ownership
Payments
37
Total payment records
General Amount
$742
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-12-13
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| AstraZeneca Pharmaceuticals LP | $148 |
| Janssen Pharmaceuticals, Inc | $116 |
| Amgen Inc. | $80 |
| Novo Nordisk Inc | $63 |
| Novartis Pharmaceuticals Corporation | $62 |
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: 2010-10-19
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 |
|---|---|---|---|---|
| I20101019000806 | I | Family Practice | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 276 | 143 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 161 | 113 | $0 |
| 80048 | Blood test, basic group of blood chemicals (calcium, total) | 134 | 103 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 115 | 73 | $0 |
| 80061 | Blood test, lipids (cholesterol and triglycerides) | 112 | 90 | $0 |
Insurance plans in this area (ZIP 92653)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | CA | |
| - | CA | |
| - | CA | |
| Family Practice | CA | |
| - | CA | |
| - | CA | |
| Physical Therapist In Private Practice | NV | |
| Internal Medicine | CA | |
| - | CA | |
| Internal Medicine, Geriatric Medicine | CA |
Reviews
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