Quick answers
- Which hospitals does Shaun Y. Pak work at?
- Medicare's official clinician data lists Shaun Y. Pak at 2 hospitals: Huntington Hospital and Valley Presbyterian Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Shaun Y. Pak see patients?
- Medicare's clinician data lists 2 practice locations, including Pasadena, CA. Call before your visit to confirm the address.
- What is Shaun Y. Pak's specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does Shaun Y. Pak accept Medicare assignment?
- Yes. Medicare's clinician data says Shaun Y. Pak 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 Shaun Y. Pak?
- (626) 440-9161, as listed in official Medicare / NPI Registry data.
- What is Shaun Y. Pak's NPI number?
- 1871171207. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Shaun Y. Pak works
Medicare's Facility Affiliation Data lists Shaun Y. Pak at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Huntington HospitalPasadena, CA · Acute Care Hospital · CCN 050438
- Valley Presbyterian HospitalVan Nuys, CA · Acute Care Hospital · CCN 050126
Practice locations
Addresses where Shaun Y. Pak is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 W California BlvdPasadena, CA 91105 (626) 440‑9161
- 625 S Fair Oaks Ave, Suite 380Pasadena, CA 91105 (626) 229‑8992
Group practices
Medicare enrollment lists Shaun Y. Pak as a member of this group (CMS data updated 2026-10-02).
- Pacific Valley Medical Group106 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Pasadena
Clinicians with the same Medicare primary specialty in Pasadena, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Hawaii John A. Burns School Of Medicine |
| Graduation year | 2021 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1871171207 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians