Doctor profile · Federal record

Dr. Reyneiro Castro, MD

Specialist (CMS: Allergy/Immunology) · Pasadena, CA

  • NPI 1457496770
  • Accepts Medicare
  • 28 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
301 S Fair Oaks Ave, Suite 401
Pasadena, CA 911052561
(626) 793-6680
fax (888) 475-7784
Mailing address
960 E Green St Ste 108
Pasadena, CA 911062401

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
September 19, 2023
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
174400000X — NUCC code
State license (1)
California #A72638

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1457496770. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,757
Distinct HCPCS
10
Medicare allowed
$56,574
HCPCS Description Services Patients Avg allowed
95165 Professional service for preparation and provision of 1 or more antigens 1,081 21 $17
95004 Test for allergy using allergenic extract 955 15 $5
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 215 27 $26
95117 Professional service for multiple injections of allergen 168 20 $14
99214 Established patient office or other outpatient visit, 30-39 minutes 85 50 $136
99213 Established patient office or other outpatient visit, 20-29 minutes 62 47 $92
95012 Test to measure the level of nitric oxide gas 57 30 $22
94010 Test to measure expiratory airflow and volume 50 29 $31
96160 Administration and interpretation of patient-focused health risk assessment 49 29 $3
99204 New patient office or other outpatient visit, 45-59 minutes 18 18 $180

In context: peer comparison

Among 4 peers in Pasadena Specialist, average services per provider: 207. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,404
Transactions
67
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 10 $229.88
GlaxoSmithKline, LLC. 12 $183.57
Optinose US, INC. 4 $166.82
Regeneron Healthcare Solutions, INC. 9 $159.63
Pfizer INC. 10 $152.84
Leo Pharma INC. 5 $80.32
Pharming Healthcare, INC. 3 $70.90
Sanofi-Aventis U.S. LLC 1 $57.48
Abbvie INC. 3 $57.29
Genzyme Corporation 4 $56.00
Amgen INC. 2 $50.26
Greer Laboratories, INC. 1 $31.41
BioCryst US Sales Co., LLC 1 $29.67
Takeda Pharmaceuticals U.S.A., INC. 1 $26.09
Genentech USA, INC. 1 $20.80

By nature of payment

Food and Beverage
$1,341
Education
$63

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
696
Patients
215
Total drug cost
$269,773
Drug Type Claims Patients Total cost
Montelukast Sodium Generic 115 35 $1,660
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 83 19 $65,547
Fluticasone Propionate Generic 79 31 $1,498
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 76 30 $2,126
Prednisone Generic 68 30 $293
Azelastine Hcl Generic 53 24 $1,735
Methylprednisolone Generic 41 23 $403
Breo Ellipta (Fluticasone/Vilanterol) Brand 38 0 $15,782
Azithromycin Generic 31 23 $186
Ipratropium Bromide Generic 25 0 $948

Frequently asked questions

Auto-generated from federal data
What is Dr. Reyneiro Castro's medical specialty?
Dr. Reyneiro Castro practices Specialist in Pasadena, CA.
Where does Dr. Reyneiro Castro practice?
Dr. Reyneiro Castro practices at 301 S Fair Oaks Ave, Pasadena, CA 911052561. Office phone: 6267936680.
What is Dr. Reyneiro Castro's NPI?
Dr. Reyneiro Castro's National Provider Identifier (NPI) is 1457496770, issued by NPPES.
Does Dr. Reyneiro Castro accept Medicare assignment?
Yes. Dr. Reyneiro Castro accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Reyneiro Castro commonly perform?
Top Medicare-reported procedures in 2023: Professional service for preparation and provision of 1 or more antigens (HCPCS 95165); Test for allergy using allergenic extract (HCPCS 95004); Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional (HCPCS 99211). Source: CMS Medicare Physician & Other Practitioners file.