Peter Allen Linfoot, PH.D., M.D.
NPI 1396777264ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Long Beach, CA
Internal Medicine, Endocrinology, Diabetes & Metabolism (PH.D., M.D.) in Long Beach, California, trained at Icahn School of Medicine at Mount Sinai (class of 1990). Their prescriptions cost Medicare Part D more than their services did: $1,378,729 for 4,116 claims, against $237,757 paid for services in 2024. Medtronic, Inc. was the largest of 4 companies reporting payments in 2025, $121.91 in all, mostly food and beverage.
Overview
| NPI | 1396777264 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PH.D., M.D. |
| Sole proprietor | No |
| NPI issued | Jul 7, 2006 |
| Last updated in NPPES | Dec 30, 2025 |
| Certified by provider | Dec 30, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | G071944 | 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 - Endocrinology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 513 |
|---|---|
| Services billed | 21,130 across 36 procedure codes |
| Paid by Medicare | $237,757 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,116 · 8,316 30-day fills |
|---|---|
| Patients | 479 |
| Total drug cost | $1,378,729 |
| Generic share | 53% of claims |
Education and affiliations
| Medical school | Icahn School of Medicine at Mount Sinai |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Endocrinology |
Medical group
- Healthcare Partners Affiliates Medical GroupAnaheim, CA · 754 clinicians
Industry payments (Open Payments)
- 2025$121.91 · 5 payments from 4 companies
- 2024$616.08 · 27 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $59.45 | 2 |
| Beta Bionics, Inc. | $26.67 | 1 |
| Amgen Inc. | $21.22 | 1 |
| Xeris Pharmaceuticals, Inc. | $14.57 | 1 |
What the 2025 payments were for
- Food and Beverage$121.91 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other endocrinologists in Long Beach
- 1093973760
- 1306981196
- 1528315835
- 1558399311
- 1699736132
- 1760491104
- 1881798189
- 1962687889
- 1073794368
- 1063156263
- 1710026935
- 1134251192
All 25 endocrinologists in Long Beach · All endocrinologists in California