Jeffrey Alan Sanfield, M.D.
NPI 1336207653ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Ypsilanti, MI
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) in Ypsilanti, Michigan, trained at Wayne State University School of Medicine (class of 1981). Their prescriptions cost Medicare Part D more than their services did: $409,675 for 1,891 claims, against $48,356 paid for services in 2024. Medtronic, Inc. was the largest of 3 companies reporting payments in 2025, $102.21 in all, mostly food and beverage.
Overview
| NPI | 1336207653 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 6, 2006 |
| Last updated in NPPES | Jun 15, 2021 |
| Certified by provider | Jun 15, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 045032 | MI |
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 (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 215 |
|---|---|
| Services billed | 589 across 6 procedure codes |
| Paid by Medicare | $48,356 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,891 · 4,784 30-day fills |
|---|---|
| Patients | 298 |
| Total drug cost | $409,675 |
| Generic share | 45% of claims |
Education and affiliations
| Medical school | Wayne State University School of Medicine |
|---|---|
| Graduation year | 1981 |
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Medical group
- Ann Arbor Endocrinology and Diabetes Associates, P.C.Ypsilanti, MI · 6 clinicians
Hospital affiliations
- Chelsea HospitalChelsea, MI
- Trinity Health Ann Arbor HospitalAnn Arbor, MI
- Trinity Health Livingston HospitalHowell, MI
- Trinity Health Oakland HospitalPontiac, MI
- University of Michigan Health SystemAnn Arbor, MI
Industry payments (Open Payments)
- 2025$102.21 · 3 payments from 3 companies
- 2024$43.73 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $62.65 | 1 |
| Sequel Med Tech, LLC | $21.39 | 1 |
| Ascensia Diabetes Care US Inc. | $18.17 | 1 |
What the 2025 payments were for
- Food and Beverage$102.21 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Endocrinology, Diabetes & Metabolism providers in Ypsilanti
- 1114107067
- 1750445961
- 1487354668
- 1215321401
- 1598149833
- 1104001841
- 1194163519
- 1437106093
- 1861854440
- 1689620296
- 1134582737
- 1396967022
All Internal Medicine, Endocrinology, Diabetes & Metabolism providers in Michigan →