Jennifer Ellen Guy, M.D.
NPI 1710137872ActiveIndividual· Internal Medicine, Transplant Hepatology· San Francisco, CA
Internal Medicine, Transplant Hepatology (M.D.) with Sutter Bay Medical Foundation, practicing in San Francisco, California. Their prescriptions cost Medicare Part D more than their services did: $949,096 for 1,038 claims, against $73,797 paid for services in 2024. Gilead Sciences, Inc. was the largest of 2 companies reporting payments in 2024, $145.21 in all, mostly food and beverage. Lists California Pacific Medical Center- Van Ness Campus and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1710137872 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 25, 2008 |
| Last updated in NPPES | Nov 16, 2020 |
| Certified by provider | Nov 16, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Transplant Hepatology Primary | 207RT0003X | A86055 | CA |
| Internal Medicine, Gastroenterology | 207RG0100X | A86055 | CA |
| Internal Medicine, Hepatology | 207RI0008X | A86055 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 253 |
|---|---|
| Services billed | 657 across 15 procedure codes |
| Paid by Medicare | $73,797 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,038 · 1,641 30-day fills |
|---|---|
| Patients | 138 |
| Total drug cost | $949,096 |
| Generic share | 77% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Sutter Bay Medical FoundationFremont, CA · 3,829 clinicians
Hospital affiliations
- California Pacific Medical Center- Van Ness CampusSan Francisco, CA
- California Pacific Medical Ctr-Davies Campus HospSan Francisco, CA
- Sutter Davis HospitalDavis, CA
- Sutter Medical Center, SacramentoSacramento, CA
- Sutter Roseville Medical CenterRoseville, CA
Industry payments (Open Payments)
- 2024$145.21 · 2 payments from 2 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $122.24 | 1 |
| Albireo Pharma, Inc. | $22.97 | 1 |
What the 2024 payments were for
- Food and Beverage$145.21 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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