NPPES file of Aug 9, 2026

Antonio C. Arrieta, M.D.

Pediatric Infectious Diseases Physician · Orange, CA

Antonio C. Arrieta, M.D. is a pediatric infectious diseases physician with a practice address in Orange, California, and NPI 1861599748, issued on Sep 20, 2006. Check the license (California A46432, 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
1861599748
Name
Antonio C. Arrieta
Credential
M.D.
Primary taxonomy
Pediatric Infectious Diseases Physician 2080P0208X
License number
A46432 CA
Self-reported in NPPES; status is on the state search
Practice location
455 S Main St, Orange, CA 92868
Phone
(714) 532-8403
Enumerated
Sep 20, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(714) 289-4014
Medicaid ID
00A464320 CA
Medicare enrollment
Enrolled (PECOS I20111103000217); accepts Medicare assignment
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 pediatric infectious diseases physician records → All 161 in California → Look up another NPI →

Also registered at 455 S Main St

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

  1. Jose Abdenur, M.D.Clinical Biochemical Genetics Physician1154428027
  2. Eileen Abejar, PNPPediatric Nurse Practitioner1083865042
  3. Felice Adler-Shohet, M.D.Pediatric Infectious Diseases Physician1962513051
  4. Irfan Ahmad, MDNeonatal-Perinatal Medicine Physician1699790139
  5. Sana Al-Jundi, M.D.Pediatric Critical Care Medicine Physician1912090465
  6. Ragnar Amlie, M.D.Neonatal-Perinatal Medicine Physician1972696433

Verify Antonio C. Arrieta in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A46432    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

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92% fewer Medicare Part D claims than the average pediatric infectious diseases physician in 2024

14 Medicare Part D claims, against an average of 165 among the 111 providers of this specialty who prescribed in Part D. Brand-name drugs were 93% of claims.

  1. Antonio Arrieta14
  2. Specialty average165

Most prescribed

  1. Biktarvy13 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: $9,926.45

7 payments; by number, the most common kind was consulting fee; the largest payer was Shionogi Inc. The 294 providers of this specialty with any payment received $9,151.53 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Antonio Arrieta$9,926.45
  2. Specialty average$9,151.53

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. Childrens Hospital OF Orange CountyOrange, CA

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

Antonio C. Arrieta among 161 pediatric infectious diseases physician records in California

Antonio C. Arrieta, M.D. is one of 161 pediatric infectious diseases physician records with a practice address in California. 48% 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 2% of them.

  • NPI issued2006 · 2% of these records are older, 57% newer
  • In a Medicare fileYes · 48% of these records are
  • In the CMS Doctors and Clinicians fileYes · 30% of these records are
  • Graduated1985 · median 2002 among the 49 with a school on file
  • Record last updated2007 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0208X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Infectious Diseases Physician providers in California

There are 161 pediatric infectious diseases physician records in California.

All 161 in California → Every provider in Orange → Pediatric Infectious Diseases Physician nationwide →

The 8 pediatric infectious diseases physician records with the nearest ZIP codes

  1. Felice Adler-Shohet, M.D.Orange, CA 928681962513051
  2. Negar Ashouri, M.D.Orange, CA 928681275630154
  3. Emilie Chow, MDOrange, CA 928681295864866
  4. Shaheen Idries, MDOrange, CA 928681194812263
  5. Aaron Shaw, MDOrange, CA 928681790219293
  6. Jasjit Singh, M.D.Orange, CA 928681306915848
  7. Nancy Dodd-Stackle, MDAnaheim, CA 928071083781983
  8. Michele Cheung, MDSanta Ana, CA 927061467563551

Common questions

What is Antonio C. Arrieta, M.D.'s NPI number?

Antonio C. Arrieta, M.D.'s National Provider Identifier (NPI) is 1861599748, issued on Sep 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Antonio C. Arrieta, M.D. located?

The NPPES record lists a practice address at 455 S Main St, Orange, CA, 92868. Phone: (714) 532-8403. Providers update this record themselves, so call before visiting.

How can I verify Antonio C. Arrieta, M.D.'s license?

NPPES lists California license number A46432, 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 Antonio C. Arrieta, M.D. prescribe under Medicare Part D?

In 2024, Antonio C. Arrieta, M.D. had 14 Medicare Part D claims; the average among pediatric infectious diseases physician prescribers was 165. 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.