Irma Lopez, M.D.
NPI 1538240908 · General Practice Physician · Ontario, CA
Irma Lopez, M.D. is a General Practice Physician provider in Ontario, CA (NPI 1538240908).
Provider details
- NPI number
- 1538240908
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- G57022 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 102 | 58 |
| Metformin Hcl | 91 | 50 |
| Levothyroxine Sodium | 47 | 22 |
| Lisinopril | 46 | 31 |
| Amlodipine Besylate | 45 | 29 |
| Omeprazole | 29 | 13 |
| Glipizide | 28 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$113 across 5 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
- 2006-10-18
- Last updated
- 2008-01-07
Frequently asked questions
- What is Irma Lopez's NPI number?
- Irma Lopez's National Provider Identifier (NPI) is 1538240908, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Irma Lopez's specialty?
- Irma Lopez is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Irma Lopez located?
- Irma Lopez's practice location on file with NPPES is 602 N Euclid Ave, Ontario, CA 91762-3224.
- What is Irma Lopez's phone number?
- The practice phone number listed in the NPPES registry for Irma Lopez is (909) 391-3423.
- Is Irma Lopez's NPI active?
- Yes — Irma Lopez's NPI (1538240908) is active in the NPPES registry as of the last update on 2008-01-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.