DR. MARIA LOURDES CASTANOS DE LEON (M.D.) – General Practice Physician, NPI 1285775437
General Practice Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
13,194 FAMILY PRACTICE in CA
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Provider Addresses for DR. MARIA LOURDES CASTANOS DE LEON (M.D.)
2933, Whittier Boulevard, Boyle Heights, Los Angeles, Los Angeles County, California, 90023, United States
LOS ANGELES, CA 900231528
Phone: (323) 263-2669
Fax: (323) 263-2673
Type: Mailing
9916, San Juan Avenue, Tweedy Mile Business District, South Gate, Los Angeles County, California, 90280, United States
SOUTH GATE, CA 902806108
Phone: (323) 564-1100
Fax: (323) 564-1133
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 32 Open Payments records for all available years, with a total value of $930.
Total Amount is formed as General ($930) + Research ($0) + Ownership ($0) = $930.
Last reported payment date: 2024-10-13 • Largest payer in this snapshot: Lilly USA, LLC ($593).
Total Amount
$930
General + Research + Ownership
Payments
32
Total payment records
General Amount
$930
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-13
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Lilly USA, LLC | $593 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $184 |
| GlaxoSmithKline, LLC. | $67 |
| Novo Nordisk Inc | $44 |
| PFIZER INC. | $25 |
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: 2008-01-23
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 |
|---|---|---|---|---|
| I20080123000858 | 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 |
|---|---|---|---|---|
| G0181 | Physician or allowed practitioner supervision of a patient receiving medicare-covered services provided by a participating home health agency (patient not present) requiring complex and multidisciplinary care modalities involving regular physician or allow | 11,215 | 2,565 | $0 |
| G0179 | Physician or allowed practitioner re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians a | 2,421 | 1,979 | $0 |
| G0180 | Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and | 2,152 | 1,949 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 179 | 44 | $0 |
| 99349 | Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes | 31 | 31 | $0 |
Insurance plans in this area (ZIP 90023)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | CA |
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