Isai Lorenzo Lopez, MD
Emergency Medicine Physician · Anaheim, CA
Isai Lorenzo Lopez, MD is an emergency medicine physician with a practice address in Anaheim, California, and NPI 1902486673, issued on Apr 8, 2021. Check the license (California A195042, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Isai Lorenzo Lopez
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A195042 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1111 W LA Palma Ave, Anaheim, CA 92801
- Phone
- (714) 774-1450
- Enumerated
- Apr 8, 2021
- Record last updated
- Jun 9, 2026
- Medicare enrollment
- Enrolled (PECOS I20240806004697); accepts Medicare assignment
- Medical or professional school
- Irvine California College Of Medicine, 2021
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 1111 W LA Palma Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ruke Achoja, MDAnesthesiology Physician1700143914
- Katherine Atienza, RNGastroenterology Registered Nurse1386500221
- Sheryn Atkinson, RNCommunity Health Registered Nurse1285252387
- Lupita Cervantes RoblesClinical Social Worker1982482717
- Bharat Chauhan, M.D.Infectious Disease Physician1730243759
- Tara Chiazza, LCSWSocial Worker1306056353
Verify Isai Lorenzo Lopez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A195042Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% fewer Medicare Part D claims than the average emergency medicine physician in 2024
116 Medicare Part D claims for 77 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
Most prescribed
- Ondansetron Odt14 claims
- Ibuprofen12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Anaheim Emergency Medical GroupAnaheim, CA
- Cep America - CaliforniaLakewood, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Isai Lorenzo Lopez among 7,751 emergency medicine physician records in California
Isai Lorenzo Lopez, MD is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 92% of them.
- NPI issued2021 · 92% of these records are older, 5% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2021 · median 2011 among the 4,560 with a school on file
- Record last updated2026 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Anaheim → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Allen Chiou, M.D.Anaheim, CA 928011407291354
- Jai Ho, MDAnaheim, CA 928011396788345
- Christopher Lai, M.DAnaheim, CA 928011487670907
- Richard Oxman, M.D.Anaheim, CA 928011487704789
- Samuel Saelee, MDAnaheim, CA 928011881634129
- Susan Socha, DOAnaheim, CA 928011962458067
- Gregory Sviland, MDAnaheim, CA 928011265488373
- Vijay Wali, MDAnaheim, CA 928011215970389
Common questions
What is Isai Lorenzo Lopez, MD's NPI number?
Isai Lorenzo Lopez, MD's National Provider Identifier (NPI) is 1902486673, issued on Apr 8, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Isai Lorenzo Lopez, MD located?
The NPPES record lists a practice address at 1111 W LA Palma Ave, Anaheim, CA, 92801. Phone: (714) 774-1450. Providers update this record themselves, so call before visiting.
How can I verify Isai Lorenzo Lopez, MD's license?
NPPES lists California license number A195042, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Isai Lorenzo Lopez, MD prescribe under Medicare Part D?
In 2024, Isai Lorenzo Lopez, MD had 116 Medicare Part D claims for 77 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.