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Allergy/Immunology

Reyneiro Castro Jr., MD

Sees patients in Burbank, CA · Pasadena, CA · California

Summary

Dr. Reyneiro Castro Jr., MD is an allergist and immunologist at 2211 W Magnolia Blvd, Suite 150, Burbank, CA 91506. Phone: (818) 309-8452. Accepts Medicare assignment. In 2024, Reyneiro Castro Jr. had 122 Original Medicare patients and 3,186 services. NPI 1457496770. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Allergist and immunologist (Medicare lists Allergy/Immunology)
  • Address: 2211 W Magnolia Blvd, Suite 150, Burbank, CA 91506 · Directions (1 more location)
  • Phone: (818) 309‑8452
  • Medicare: Accepts Medicare assignment
  • Group practice: Huntington Asthma and Allergy Center a Professional Corporation
  • Medical school: University Of California, Davis School Of Medicine · graduated 1998 (28 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Reyneiro Castro Jr., joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Reyneiro Castro Jr. accept Medicare assignment?
Yes. Medicare's clinician data says Reyneiro Castro Jr. accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Reyneiro Castro Jr. see?
In 2024, CMS data shows 122 Original Medicare patients and 3,186 services for Reyneiro Castro Jr.. This counts Original Medicare only and measures volume, not quality.
What is Reyneiro Castro Jr.'s NPI number?
1457496770. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Reyneiro Castro Jr., data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients122
Services billed to Medicare3,186
Different services or procedures25
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Professional service for preparation and provision of 1 or more antigens (95165)1,182 services
  2. Test for allergy using allergenic extract (95004)949 services
  3. Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional (99211)268 services
  4. Professional service for multiple injections of allergen (95117)240 services
  5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)86 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol75%
  • High blood pressure61%
  • Arthritis55%
  • Asthma52%
  • Diabetes28%
  • Depression26%

Practice locations

Addresses where Reyneiro Castro Jr. is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Reyneiro Castro Jr. as a member of this group (CMS data updated October 2, 2026).

  • Huntington Asthma and Allergy Center a Professional Corporation2 clinicians in the group

Specialties

Find other Allergy/Immunology doctors in California →

Other allergist and immunologists in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All allergist and immunologists in California →

Clinician information

CredentialMD
Medical schoolUniversity Of California, Davis School Of Medicine
Graduation year1998 (28 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1457496770
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians