Katayoun Lotfi, MD
NPI 1619288685ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Mountain View, CA
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) with Sutter Bay Medical Foundation, practicing in Mountain View, California. Their prescriptions cost Medicare Part D more than their services did: $486,579 for 633 claims, against $38,191 paid for services in 2024. Novo Nordisk Inc reported $217.32 in payments in 2025, mostly food and beverage. Lists Peninsula Medical Center as a hospital affiliation.
Overview
| NPI | 1619288685 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 24, 2010 |
| Last updated in NPPES | Dec 14, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | A134702 | 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 - Endocrinology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 175 |
|---|---|
| Services billed | 377 across 8 procedure codes |
| Paid by Medicare | $38,191 |
Part D prescriptions in 2024
| Prescriptions (claims) | 633 · 1,068 30-day fills |
|---|---|
| Patients | 102 |
| Total drug cost | $486,579 |
Education and affiliations
| Graduation year | 2010 |
|---|---|
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Medical group
- Sutter Bay Medical FoundationFremont, CA · 3,829 clinicians
Hospital affiliation
- Peninsula Medical CenterBurlingame, CA
Industry payments (Open Payments)
- 2025$217.32 · 2 payments from 1 company
- 2024$93.62 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $217.32 | 2 |
What the 2025 payments were for
- Food and Beverage$217.32 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Endocrinology, Diabetes & Metabolism providers in Mountain View
- 1295645737
- 1770496598
- 1043598378
- 1669578951
- 1235181728
- 1558447847
- 1316024920
- 1295873685
- 1871145110
- 1295787646
- 1659958684
- 1740231919
All Internal Medicine, Endocrinology, Diabetes & Metabolism providers in California →