Shelly Xiaolei Xing Gammon, MD
NPI 1477799344ActiveIndividual· Internal Medicine· Moreno Valley, CA
Internal Medicine (MD) in Moreno Valley, California, trained at University of California, Geffen School of Medicine (class of 2009). Their prescriptions cost Medicare Part D more than their services did: $168,596 for 1,545 claims, against $2,544 paid for services in 2024.
Overview
| NPI | 1477799344 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 26, 2008 |
| Last updated in NPPES | Dec 14, 2021 |
| Certified by provider | Dec 14, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A96907 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nephrology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 20 |
|---|---|
| Services billed | 37 across 7 procedure codes |
| Paid by Medicare | $2,544 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,545 · 3,770 30-day fills |
|---|---|
| Patients | 298 |
| Total drug cost | $168,596 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | University of California, Geffen School of Medicine |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Nephrology |
| Secondary specialties | Geriatric Medicine, Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Southern California Permanente Medical GroupRedlands, CA · 11,293 clinicians
Hospital affiliations
- Kaiser Foundation Hospital, RiversideRiverside, CA
- Kaiser Foundation Hospital-Moreno ValleyMoreno Valley, CA
Other facilities
- Fmc-Moreno ValleyDialysis facility · Moreno Valley, CA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 78 internal medicine physicians in Moreno Valley · All internal medicine physicians in California