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DR. REYNEIRO CASTRO MD
NPI 1457496770
Specialist in Pasadena, CA

Active since February 21, 2007PECOS EnrolledAccepts Medicare Assignment
301 S FAIR OAKS AVE, SUITE 401, PASADENA, CA 91105(626) 793-6680(888) 475-7784 Get Directions Write a Review

NPPES record last updated: September 19, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Reyneiro Castro Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. REYNEIRO CASTRO MD (NPI 1457496770) is an individual specialist in Pasadena, California, licensed in California (A72638) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS and is a graduate of University Of California, Davis School Of Medicine (1998).

NPPES Registry Identity

NPI1457496770
Entity TypeIndividualMale
Primary Taxonomy174400000X
Provider Legal NameDR. REYNEIRO CASTROCredential: MD
Location Address301 S FAIR OAKS AVE, SUITE 401Pasadena, CA 91105-2561
Mailing Address960 E Green St Ste 108Pasadena, CA 91106-2401 · (626) 793-6680 · Fax (888) 475-7784
Phone(626) 793-6680
Fax(888) 475-7784
Sole ProprietorYes
Medical School CMSUniversity Of California, Davis School Of MedicineGraduated 1998
Enumeration DateFebruary 21, 2007
Last NPPES UpdateSeptember 19, 2023
NPPES CertifiedSeptember 19, 2023
✔ NPI 1457496770 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in CA · A72638
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
301 S FAIR OAKS AVE, Pasadena, CA 91105
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Other Identifiers 1

OtherEI139ZCA · Ptan

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Reyneiro Castro Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5991742249
PECOS Enrollment IDI20050408000624
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Reyneiro Castro reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Huntington Asthma & Allergy Center A Professional Corporation
1.2 mi
Specialist
960 E GREEN ST STE 108
Pasadena, CA 91106
  • Reassigned Medicare billing, California enrollment
  • 2 clinicians in this Medicare group
NPI 1174796577 (626) 793-6680

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 11

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Professional service for preparation and provision of 1 or more antigens 95165
This service involves the creation and supply of antigens, substances that stimulate your immune system to fight diseases. These antigens can be used in vaccines or allergy tests to help your body build defenses against specific health threats.
1,182 services22 patients
Test for allergy using allergenic extract 95004
An allergy test with allergenic extract is a diagnostic method to identify substances causing allergic reactions. Small amounts of common allergens are introduced to your body, usually through skin pricks or blood tests. Your body's response helps determine your allergies.
949 services16 patients
Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 99211
This service involves an outpatient visit for established patients who may not need direct interaction with a healthcare professional. It could include reviewing test results, monitoring existing conditions, or adjusting treatment plans. It's typically done remotely, ensuring your comfort and convenience.
268 services28 patients
Professional service for multiple injections of allergen 95117
The professional service for multiple injections of allergens involves administering small doses of specific allergens into your body. This is done to help your immune system become less sensitive to them, reducing your allergic reaction over time. It's a safe, effective way to manage allergies.
240 services23 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
86 services51 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
64 services48 patients

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Clinical Information Reconciliation
For at least one transition of care or referral received or patient encounter in which the MIPS eligible clinician has never before encountered the patient, the MIPS eligible clinician performs clinical information reconciliation.
40%703 patients2/55-star benchmark: 100%
Closing the Referral Loop: Receipt of Specialist Report
Percentage of patients with referrals, regardless of age, for which the referring provider receives a report from the provider to whom the patient was referred
100%23 patients5/55-star benchmark: 95%
Documentation of Current Medications in the Medical Record
Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.
1%1,199 patients1/55-star benchmark: 100%
e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
96%1,650 patients4/55-star benchmark: 100%
Patient-Generated Health Data
Patient-generated health data or data from a non-clinical setting is incorporated into the certified EHR technology for at least one unique patient seen by the MIPS eligible clinician during the performance period.
0%1,644 patients
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from certified EHR technology to identify patient-specific educational resources and provide electronic access to those materials to at least one unique patient seen by the MIPS eligible…
5%1,644 patients1/55-star benchmark: 100%
Pneumococcal Vaccination Status for Older Adults
Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine
45%258 patients3/55-star benchmark: 90%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
39%1,198 patients2/55-star benchmark: 97%
Preventive Care and Screening: Influenza Immunization
Percentage of patients aged 6 months and older seen for a visit between October 1 and March 31 who received an influenza immunization OR who reported previous receipt of an influenza immunization
55%690 patients3/55-star benchmark: 88%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Percentage of patients aged 18 years and older who were screened for tobacco use one or more times within 24 months AND who received tobacco cessation intervention if identified as a tobacco user
Patients screenedForUse: 83% · 481 patients
Patients tobacco: 81% · 481 patients
38%21 patients2/55-star benchmark: 98%
Provide Patient Access
For at least one unique patient seen by the MIPS eligible clinician: (1) The patient (or the patient authorized representative) is provided timely access to view online, download, and transmit his or her health information; and (2) The MIPS eligible clinician…
66%1,644 patients3/55-star benchmark: 100%
Request/Accept Summary of Care
For at least one transition of care or referral received or patient encounter in which the MIPS eligible clinician has never before encountered the patient, the MIPS eligible clinician receives or retrieves and incorporates into the patient's record an…
100%402 patients5/55-star benchmark: 100%
Secure Messaging
For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of certified EHR technology to the patient (or the patient-authorized representative), or in…
8%1,644 patients1/55-star benchmark: 75%
Use of High-Risk Medications in the Elderly
Percentage of patients 65 years of age and older who were ordered high-risk medications. Two rates are submitted. 1) Percentage of patients who were ordered at least one high-risk medication.
Lower rates are better for this measure.
Patients 2+: 0% · 258 patients
24%258 patients1/55-star benchmark: 100%
View, Download and Transmit (VDT)
During the performance period, at least one unique patient (or patient-authorized representatives) seen by the MIPS eligible clinician actively engages with the EHR made accessible by the MIPS eligible clinician.
17%1,644 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 7

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supplies for maintenance of non-insulin drug infusion catheter, per week (list drugs separately) A4221
DME-Other DME · category DE017N
3 suppliers24 claims63 services$18.28 avg. paid by Medicare
Injection, immune globulin, (gamunex-c/gammaked), non-lyophilized (e.g., liquid), 500 mg J1561
Treatment-Injections and Infusions (nononcologic) · category RI008N
2 suppliers19 claims990 services$35.00 avg. paid by Medicare
Injection, immune globulin, (gammagard liquid), non-lyophilized, (e.g., liquid), 500 mg J1569
Treatment-Injections and Infusions (nononcologic) · category RI008N
4 suppliers60 claims3,658 services$35.71 avg. paid by Medicare
Injection, immune globulin/hyaluronidase, (hyqvia), 100 mg immuneglobulin J1575
Treatment-Injections and Infusions (nononcologic) · category RI008N
2 suppliers11 claims3,300 services$12.35 avg. paid by Medicare
Injection, immune globulin, intravenous, non-lyophilized (e.g., liquid), not otherwise specified, 500 mg J1599
Treatment-Injections and Infusions (nononcologic) · category RI008N
1 supplier24 claims1,680 services$54.91 avg. paid by Medicare
Supplies for external non-insulin drug infusion pump, syringe type cartridge, sterile, each K0552
DME-Other DME · category DE000N
2 suppliers18 claims109 services$2.36 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KAY ANN DABLER SLP
Speech-Language Pathologist
301 S FAIR OAKS AVE, SUITE 401
PASADENA, CA 91105
Los Angeles County (626) 744-0411
PASADENA FAMILY MEDICINE INC
General Practice
301 S FAIR OAKS AVE, STE #405
PASADENA, CA 91105
Los Angeles County (626) 792-1912
ARROYO SECO MEDICAL GROUP
Internal Medicine
301 S FAIR OAKS AVE, SUITE 300
PASADENA, CA 91105
Los Angeles County (626) 795-7556
AMERICAN MEDICAL EVALUATION CENTERS INC
Internal Medicine
301 S FAIR OAKS AVE, STE 107
PASADENA, CA 91105
Los Angeles County (310) 271-5875
W. FREDERICK STEPHENS,DDS,INC
Dentist (Oral and Maxillofacial Surgery)
301 S FAIR OAKS AVE, SUITE #107
PASADENA, CA 91105
Los Angeles County (626) 440-0099
BERT K. FUNATSU D.D.S.
Dentist (General Practice)
301 S FAIR OAKS AVE, SUITE 205
PASADENA, CA 91105
Los Angeles County (626) 796-8904
MICHAEL E STEUER, MD, PC
Specialist
301 S FAIR OAKS AVE, STE 105
PASADENA, CA 91105
Los Angeles County (626) 229-9425
GIRLFRIENDS MEDICAL GROUP, INC
Obstetrics & Gynecology (Obstetrics)
301 S FAIR OAKS AVE
PASADENA, CA 91105
Los Angeles County (626) 793-5250

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Reyneiro Castro's NPI number?

The NPI number for Reyneiro Castro is 1457496770. It was assigned to this individual provider in the NPPES registry on February 21, 2007.

Where is Reyneiro Castro located?

Reyneiro Castro practices at 301 S Fair Oaks Ave Suite 401, Pasadena, CA 91105. The listed phone number is (626) 793-6680.

What is Reyneiro Castro's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Reyneiro Castro enrolled in Medicare?

Yes. Reyneiro Castro is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Reyneiro Castro's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Reyneiro Castro reassigns Medicare benefits to Huntington Asthma & Allergy Center A Professional Corporation (Pasadena, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Reyneiro Castro's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Reyneiro Castro was last updated on September 19, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.