Quick answers
- Which hospitals does Gordon K. Mak work at?
- Medicare's official clinician data lists Gordon K. Mak at 3 hospitals: Peninsula Medical Center, San Mateo Medical Center and Stanford Health Care. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gordon K. Mak see patients?
- Medicare's clinician data lists 3 practice locations, including San Mateo, CA and Stanford, CA. Call before your visit to confirm the address.
- What is Gordon K. Mak's specialty?
- Medicare lists Pulmonary Disease as the primary specialty, and also Critical Care (Intensivists) and Internal Medicine.
- Does Gordon K. Mak accept Medicare assignment?
- Yes. Medicare's clinician data says Gordon K. Mak 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.
- Does Gordon K. Mak offer telehealth?
- Medicare's clinician data says Gordon K. Mak offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Gordon K. Mak?
- (650) 723-4000, as listed in official Medicare / NPI Registry data.
- What is Gordon K. Mak's NPI number?
- 1447330725. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gordon K. Mak works
Medicare's Facility Affiliation Data lists Gordon K. Mak at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Peninsula Medical CenterBurlingame, CA · Acute Care Hospital · CCN 050007
- San Mateo Medical CenterSan Mateo, CA · Acute Care Hospital · CCN 050113
- Stanford Health CareStanford, CA · Acute Care Hospital · CCN 050441
Practice locations
Addresses where Gordon K. Mak is enrolled with Medicare (CMS data updated 2026-10-02).
- 22 W 39th Ave, Hos316msSan Mateo, CA 94403
- 222 W 39th AveSan Mateo, CA 94403
- 300 Pasteur DrStanford, CA 94305 (650) 723‑4000
Group practices
Medicare enrollment lists Gordon K. Mak as a member of these groups (CMS data updated 2026-10-02).
- Stanford Health Care3,122 clinicians in the group
- County of San Mateo310 clinicians in the group
Specialties
Other pulmonologists in San Mateo
Clinicians with the same Medicare primary specialty in San Mateo, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1995 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1447330725 |
| 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