NPPES file of Aug 9, 2026

Theresa A. Longo, MD

Pediatric Critical Care Medicine Physician · Riverside, CA

Theresa A. Longo, MD is a pediatric critical care medicine physician with a practice address in Riverside, California, and NPI 1902990518, issued on Oct 3, 2006. Check the license (California G59848, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1902990518
Name
Theresa A. Longo
Credential
MD
Primary taxonomy
Pediatric Critical Care Medicine Physician 2080P0203X
License number
G59848 CA
Self-reported in NPPES; status is on the state search
Practice location
17575 Wicker Way, Riverside, CA 92504
Phone
(951) 780-9389
Enumerated
Oct 3, 2006
Record last updated
Dec 26, 2022
Fax
(951) 780-9389
Medicare enrollment
Enrolled (PECOS I20250930003462); accepts Medicare assignment
Medical or professional school
University Of California, Davis School Of Medicine, 1978
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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Verify Theresa A. Longo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G59848
    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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Bills Medicare through one group practice

  1. Hoopeston Community Memorial HospitalMattoon, IL

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

Theresa A. Longo among 337 pediatric critical care medicine physician records in California

Theresa A. Longo, MD is one of 337 pediatric critical care medicine physician records with a practice address in California. 39% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 64% newer
  • In a Medicare fileYes · 39% of these records are
  • In the CMS Doctors and Clinicians fileYes · 28% of these records are
  • Graduated1978 · median 2008 among the 95 with a school on file
  • Record last updated2022 · 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 2080P0203X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Critical Care Medicine Physician providers in California

There are 337 pediatric critical care medicine physician records in California.

The 8 pediatric critical care medicine physician records with the nearest ZIP codes

  1. Arunima Bera BrownRiverside, CA 925011073929337
  2. Joel Barron, M.D.Moreno Valley, CA 925551780644682
  3. Menard Barruga, M.D.Moreno Valley, CA 925551477546414
  4. Shamel Abd-Allah, M.D.Loma Linda, CA 923541407879257
  5. Harsha Chandnani, MDLoma Linda, CA 923541053673863
  6. Jim Eguchi, M.DLoma Linda, CA 923541417164427
  7. Michael GiangLoma Linda, CA 923541639520349
  8. Juan Martinez, M.D.Loma Linda, CA 923541699195776

Common questions

What is Theresa A. Longo, MD's NPI number?

Theresa A. Longo, MD's National Provider Identifier (NPI) is 1902990518, issued on Oct 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Theresa A. Longo, MD located?

The NPPES record lists a practice address at 17575 Wicker Way, Riverside, CA, 92504. Phone: (951) 780-9389. Providers update this record themselves, so call before visiting.

How can I verify Theresa A. Longo, MD's license?

NPPES lists California license number G59848, 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.

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.