Alexandra Lopez-Aguiar, M.D.
Surgical Oncology Physician · Orange, CA
Alexandra Lopez-Aguiar, M.D. is a surgical oncology physician with a practice address in Orange, California, and NPI 1477972040, issued on Apr 10, 2014. Check the license (California A207688, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Alexandra Lopez-Aguiar
- Credential
- M.D.
- Primary taxonomy
- Surgical Oncology Physician 2086X0206X
- License numbers
- A207688 CA
ME164112 FL
Self-reported in NPPES; status is on the state search - Practice location
- 101 The City Dr S, Orange, CA 92868
- Phone
- (714) 456-7890
- Enumerated
- Apr 10, 2014
- Record last updated
- Mar 16, 2026
- Medicare enrollment
- Enrolled (PECOS I20260327001808); accepts Medicare assignment
- Medical or professional school
- Geisel School Of Medicine At Dartmouth, 2014
- Entity
- Type 1 · individual
8 nearest surgical oncology physician records → All 250 in California → Look up another NPI →
Also registered at 101 The City Dr S
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Danny Abad, PAPhysician Assistant1477158673
- Edward AbaradoStudent in an Organized Health Care Education/Training Program1912855198
- Nagina Abdiani, DOGeriatric Medicine (Family Medicine) Physician1518543271
- Mariam Abdul-Latif, M.D.Pediatrics Physician1538418884
- Eric AbelloOtolaryngology Physician1922566215
- Brandon Abeyta, MDAnesthesiology Physician1841291804
Verify Alexandra Lopez-Aguiar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A207688Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% fewer Medicare Part D claims than the average surgical oncology physician in 2024
39 Medicare Part D claims for 23 beneficiaries, against an average of 87 among the 1,237 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 12 claims were for opioids.
Most prescribed
- 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 81.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- University OF MiamiMiami, FL
- University Surgeons OF Orange A Medical GroupOrange, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alexandra Lopez-Aguiar among 250 surgical oncology physician records in California
Alexandra Lopez-Aguiar, M.D. is one of 250 surgical oncology physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 79% of them.
- NPI issued2014 · 79% of these records are older, 18% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2014 · median 2004 among the 184 with a school on file
- Record last updated2026 · 44% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086X0206X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgical Oncology Physician providers in California
There are 250 surgical oncology physician records in California.
All 250 in California → Every provider in Orange → Surgical Oncology Physician nationwide →
The 8 surgical oncology physician records with the nearest ZIP codes
- Valentina BonevOrange, CA 928681326312075
- John A Butler, MDOrange, CA 928681902986094
- Oliver Eng, M.D.Orange, CA 928681245556406
- James Jakowatz, MDOrange, CA 928681649225384
- Karen T Lane, MDOrange, CA 928681316027444
- Erin Lin, D.O.Orange, CA 928681780983411
- Melissa Mao, MDOrange, CA 928681245594498
- Thuy Tran, M.D.Orange, CA 928681851736938
Common questions
What is Alexandra Lopez-Aguiar, M.D.'s NPI number?
Alexandra Lopez-Aguiar, M.D.'s National Provider Identifier (NPI) is 1477972040, issued on Apr 10, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Alexandra Lopez-Aguiar, M.D. located?
The NPPES record lists a practice address at 101 The City Dr S, Orange, CA, 92868. Phone: (714) 456-7890. Providers update this record themselves, so call before visiting.
How can I verify Alexandra Lopez-Aguiar, M.D.'s license?
NPPES lists California license number A207688, 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 Alexandra Lopez-Aguiar, M.D. prescribe under Medicare Part D?
In 2024, Alexandra Lopez-Aguiar, M.D. had 39 Medicare Part D claims for 23 beneficiaries; the average among surgical oncology physician prescribers was 87. Part D covers Medicare prescriptions only.
What is Alexandra Lopez-Aguiar, M.D.'s MIPS final score?
The 2023 MIPS final score is 81.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.