Quick answers
- Does Monica S. Choo accept Medicare assignment?
- Yes. Medicare's clinician data says Monica S. Choo accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Monica S. Choo's NPI number?
- 1326673401. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Monica S. Choo works
Medicare's Facility Affiliation Data lists Monica S. Choo at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Stanford Health Care Tri-ValleyPleasanton, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050283
Practice locations
Addresses where Monica S. Choo is enrolled with Medicare (CMS data updated October 2, 2026).
- 4725 1st St, Suite 100Pleasanton, CA 94566 (925) 462‑7060
Group practices
Medicare enrollment lists Monica S. Choo as a member of this group (CMS data updated October 2, 2026).
- University Healthcare Alliance327 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Pleasanton
Clinicians with the same Medicare primary specialty in Pleasanton, CA — not a recommendation.
Other clinicians in University Healthcare Alliance
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Michigan Medical School |
| Graduation year | 2021 (5 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1326673401 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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