Quick answers
- Where does Richard S. Tan see patients?
- Medicare's clinician data lists 2 practice locations, including Alhambra, CA and Claremont, CA. Call before your visit to confirm the address.
- What is Richard S. Tan's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Richard S. Tan accept Medicare assignment?
- Yes. Medicare's clinician data says Richard S. Tan 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 Richard S. Tan offer telehealth?
- Medicare's clinician data says Richard S. Tan offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Richard S. Tan?
- (626) 281-3265, as listed in official Medicare / NPI Registry data.
- What is Richard S. Tan's NPI number?
- 1548936602. 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 Richard S. Tan is enrolled with Medicare (CMS data updated 2026-10-02).
- 2835 W Valley BlvdAlhambra, CA 91803 (626) 281‑3265
- 678 S Indian Hill Blvd, Suite 200Claremont, CA 91711 (909) 399‑0101
Group practices
Medicare enrollment lists Richard S. Tan as a member of these groups (CMS data updated 2026-10-02).
- Ngo Phan MD Inc4 clinicians in the group
- Brittany Wertz, DO Inc2 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Alhambra
Clinicians with the same Medicare primary specialty in Alhambra, CA — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Medical school | California University Of Science And Medicine |
| Graduation year | 2021 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1548936602 |
| 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
- 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