Nicole Diep Simpson, M.D
NPI 1497798904ActiveIndividual· Internal Medicine, Gastroenterology· Mountain View, CA
Internal Medicine, Gastroenterology (M.D) in Mountain View, California, trained at Stanford University School of Medicine (class of 2000). In 2024 Medicare paid $103,755 for 430 patients, and Part D covered 818 of their prescriptions, 85% of them generic. Micro-Tech Endoscopy USA, Inc. was the largest of 2 companies reporting payments in 2025, $32.67 in all, mostly food and beverage.
Overview
| NPI | 1497798904 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D |
| Sole proprietor | No |
| NPI issued | Jun 13, 2006 |
| Last updated in NPPES | Dec 5, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | A76288 | 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 - Gastroenterology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 430 |
|---|---|
| Services billed | 997 across 39 procedure codes |
| Paid by Medicare | $103,755 |
Part D prescriptions in 2024
| Prescriptions (claims) | 818 · 1,432 30-day fills |
|---|---|
| Patients | 386 |
| Total drug cost | $59,453 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | Stanford University School of Medicine |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Sutter Bay Medical FoundationFremont, CA · 3,829 clinicians
Hospital affiliation
- El Camino HealthMountain View, CA
Industry payments (Open Payments)
- 2025$32.67 · 2 payments from 2 companies
- 2024$77.24 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Micro-Tech Endoscopy USA, Inc. | $19.08 | 1 |
| Conmed Corporation | $13.59 | 1 |
What the 2025 payments were for
- Food and Beverage$32.67 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 26 gastroenterologists in Mountain View · All gastroenterologists in California