NPPES file of Aug 9, 2026

Louis Rivera, M.D.

Surgical Oncology Physician · La Jolla, CA

Louis Rivera, M.D. is a surgical oncology physician with a practice address in La Jolla, California, and NPI 1407904592, issued on Jan 8, 2007. Check the license (California C159145, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1407904592
Name
Louis Rivera
Credential
M.D.
Primary taxonomy
Surgical Oncology Physician 2086X0206X
License number
C159145 CA
Self-reported in NPPES; status is on the state search
Practice location
10710 N Torrey Pines RD, La Jolla, CA 92037
Phone
(858) 554-8984
Enumerated
Jan 8, 2007
Record last updated
Aug 27, 2024
Medicare enrollment
Enrolled (PECOS I20200710002576); accepts Medicare assignment
Medical or professional school
University Of Pittsburgh School Of Medicine, 1999
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest surgical oncology physician records → All 250 in California → Look up another NPI →

Also registered at 10710 N Torrey Pines RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Nicole AdamsNurse Practitioner1891167029
  2. Rachel Adrian, RN, MSN, AGACNP-BCAcute Care Nurse Practitioner1548870686
  3. Laura Alberton, M.D.Sports Medicine (Orthopaedic Surgery) Physician1992770655
  4. Sonia Ali, M.D.Hematology & Oncology Physician1730451089
  5. Danica Anderson, PA-CPhysician Assistant1811601859
  6. Jacqueline Anderson, MDSurgery Physician1912427873

Verify Louis Rivera in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C159145    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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About as many Medicare Part D claims as the average surgical oncology physician in 2024

87 Medicare Part D claims for 41 beneficiaries, against an average of 87 among the 1,237 providers of this specialty who prescribed in Part D. 24 claims were for opioids.

  1. Louis Rivera87
  2. Specialty average87

Most prescribed

  1. Oxycodone Hcl21 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.

Industry payments in 2024: $153.95

4 payments; by number, the most common kind was food and beverage; the largest payer was Endomagnetics Ltd. The 1,132 providers of this specialty with any payment received $4,224.74 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Louis Rivera$153.95
  2. Specialty average$4,224.74

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Scripps HealthLa Jolla, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Louis Rivera among 250 surgical oncology physician records in California

Louis Rivera, 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 2007, is newer than 36% of them.

  • NPI issued2007 · 36% of these records are older, 50% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated1999 · median 2004 among the 184 with a school on file
  • Record last updated2024 · 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 La Jolla → Surgical Oncology Physician nationwide →

The 8 surgical oncology physician records with the nearest ZIP codes

  1. Jason Sicklick, M.D.La Jolla, CA 920931487700779
  2. Peter Soballe, M.D.San Diego, CA 921011659364958
  3. Ava Armani, M.D.San Diego, CA 921031861759383
  4. Joel Baumgartner, MDSan Diego, CA 921031679629257
  5. Sarah Blair, M.D.San Diego, CA 921031710918008
  6. Michael Bouvet, M.D.San Diego, CA 921031033177803
  7. David Easter, M.D.San Diego, CA 921031801811054
  8. Andrew Lowy, MDSan Diego, CA 921031346218179

Common questions

What is Louis Rivera, M.D.'s NPI number?

Louis Rivera, M.D.'s National Provider Identifier (NPI) is 1407904592, issued on Jan 8, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Louis Rivera, M.D. located?

The NPPES record lists a practice address at 10710 N Torrey Pines RD, La Jolla, CA, 92037. Phone: (858) 554-8984. Providers update this record themselves, so call before visiting.

How can I verify Louis Rivera, M.D.'s license?

NPPES lists California license number C159145, 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 Louis Rivera, M.D. prescribe under Medicare Part D?

In 2024, Louis Rivera, M.D. had 87 Medicare Part D claims for 41 beneficiaries; the average among surgical oncology physician prescribers was 87. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.