DR. JONATHAN K LEUNG (MD) – Specialist, NPI 1851349146
Specialist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for DR. JONATHAN K LEUNG (MD)
420 W ROWLAND ST
COVINA, CA 917232943
Phone: (626) 331-6411
Fax: (626) 251-1559
Type: Mailing
415, West Carroll Avenue, La Fetra, Glendora, Los Angeles County, California, 91741, United States
STE 204
GLENDORA, CA 917414208
Phone: (626) 914-5219
Fax: (626) 914-7846
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 15 Open Payments records for all available years, with a total value of $1,154.
Total Amount is formed as General ($1,154) + Research ($0) + Ownership ($0) = $1,154.
Last reported payment date: 2024-09-23 • Largest payer in this snapshot: GlaxoSmithKline, LLC. ($490).
Total Amount
$1,154
General + Research + Ownership
Payments
15
Total payment records
General Amount
$1,154
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-23
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| GlaxoSmithKline, LLC. | $490 |
| Bayer Healthcare Pharmaceuticals Inc. | $400 |
| AstraZeneca Pharmaceuticals LP | $264 |
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: 2004-12-14
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 |
|---|---|---|---|---|
| I20041214001201 | I | Pulmonary Disease | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 302 | 178 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 80 | 73 | $0 |
| 71046 | X-ray of chest, 2 views | 63 | 61 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 41 | 41 | $0 |
| 94016 | Test to measure expiratory airflow and volume initiated by patient and evaluated by provider | 34 | 34 | $0 |
Insurance plans in this area (ZIP 91723)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| PULMONARY DISEASE | CA | 94060 | Measurement and graphic recording of the amount and speed of breathed air, before and following medication administration | 51 | 51 |
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 |
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