Maria Lourdes De Leon, M.D.
NPI 1285775437 · General Practice Physician · South Gate, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maria Lourdes De Leon, M.D. is a General Practice Physician provider in South Gate, CA (NPI 1285775437).
Provider details
- NPI number
- 1285775437
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A73468 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
15,838 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| 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 AllowG0181 | 8,860 | $104 |
| 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 andG0180 | 1,968 | $55 |
| 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 aG0179 | 1,952 | $43 |
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 873 | $133 |
| Education and Training to Self Measure Blood Pressure |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 91 | 42 |
| Metformin Hcl | 58 | 36 |
| Levothyroxine Sodium | 41 | 18 |
| Tamsulosin Hcl | 35 | 16 |
| Losartan Potassium | 29 | 14 |
| Donepezil Hcl | 29 | 11 |
| Omeprazole | 27 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$475 across 16 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-09
- Last updated
- 2015-05-21
Frequently asked questions
- What is Maria Lourdes De Leon's NPI number?
- Maria Lourdes De Leon's National Provider Identifier (NPI) is 1285775437, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Lourdes De Leon's specialty?
- Maria Lourdes De Leon is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Maria Lourdes De Leon located?
- Maria Lourdes De Leon's practice location on file with NPPES is 9916 San Juan Ave, South Gate, CA 90280-6108.
- What is Maria Lourdes De Leon's phone number?
- The practice phone number listed in the NPPES registry for Maria Lourdes De Leon is (323) 564-1100.
- Does Maria Lourdes De Leon accept Medicare?
- Maria Lourdes De Leon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maria Lourdes De Leon's NPI active?
- Yes — Maria Lourdes De Leon's NPI (1285775437) is active in the NPPES registry as of the last update on 2015-05-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.