Quick answers
- Does Shelly H. Tien accept Medicare assignment?
- Yes. Medicare's clinician data says Shelly H. Tien 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 Shelly H. Tien's NPI number?
- 1457500787. 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 Shelly H. Tien is enrolled with Medicare (CMS data updated October 2, 2026).
- 1521 E Tangerine Rd, Suite 361Oro Valley, AZ 85755 (520) 545‑0573
- 6261 N La Cholla BlvdTucson, AZ 85741 (520) 392‑7500
Group practices
Medicare enrollment lists Shelly H. Tien as a member of this group (CMS data updated October 2, 2026).
- Genesis Ob Gyn PLLC110 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Oro Valley
Clinicians with the same Medicare primary specialty in Oro Valley, AZ — not a recommendation.
Other clinicians in Genesis Ob Gyn PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Tufts University School Of Medicine |
| Graduation year | 2008 (18 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1457500787 |
| 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 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