Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Nurse Practitioner

Rolando Castillo, NP

Sees patients in Pasadena, CA · Monterey Park, CA · Whittier, CA · California

Summary

Rolando Castillo, NP (Nurse Practitioner) is enrolled with Medicare at 3 practice locations in Pasadena, CA, Monterey Park, CA and Whittier, CA. NPI 1528581519. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Rolando Castillo, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Nurse PractitionerPrimary specialty
YesAccepts Medicare assignment
9Years since medical school (graduated 2017)
MaleGender (as listed)
HMH Emergency Medical Group, Inc.Group practice (+1 more)

Quick answers

Where does Rolando Castillo see patients?
Medicare's clinician data lists 3 practice locations, including Pasadena, CA, Monterey Park, CA and Whittier, CA. Call before your visit to confirm the address.
What is Rolando Castillo's specialty?
Medicare lists Nurse Practitioner as the primary specialty.
Does Rolando Castillo accept Medicare assignment?
Yes. Medicare's clinician data says Rolando Castillo accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Rolando Castillo?
(877) 346-2211, as listed in official Medicare / NPI Registry data.
What is Rolando Castillo's NPI number?
1528581519. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Rolando Castillo is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Rolando Castillo as a member of these groups (CMS data updated 2026-10-02).

  • HMH Emergency Medical Group, Inc.60 clinicians in the group
  • Gem Medical Group Corporation57 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, California →

Other nurse practitioners in Pasadena

Clinicians with the same Medicare primary specialty in Pasadena, CA — not a recommendation.

All nurse practitioners in Pasadena →

Clinician information

CredentialNP
Graduation year2017
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1528581519
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 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians