Marc Gutin, MD
NPI 1861423709ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· San Dimas, CA
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) in San Dimas, California, trained at Cincinnati College of Medicine and Surgery (class of 1979). Their prescriptions cost Medicare Part D more than their services did: $3,432,606 for 8,832 claims, against $97,982 paid for services in 2024. Medtronic, Inc. was the largest of 26 companies reporting payments in 2025, $3,196 in all, mostly food and beverage.
Overview
| NPI | 1861423709 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 6, 2006 |
| Last updated in NPPES | Nov 12, 2024 |
| Certified by provider | Nov 12, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | G48699 | 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 | 376 |
|---|---|
| Services billed | 2,222 across 11 procedure codes |
| Paid by Medicare | $97,982 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,832 · 19,105 30-day fills |
|---|---|
| Patients | 893 |
| Total drug cost | $3,432,606 |
| Generic share | 52% of claims |
Education and affiliations
| Medical school | Cincinnati College of Medicine and Surgery |
|---|---|
| Graduation year | 1979 |
| Medicare specialty | Endocrinology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliations
- Emanate Health Foothill Presbyterian HospitalGlendora, CA
- Emanate Health Inter-Community HospitalCovina, CA
- Pomona Valley Hospital Medical CenterPomona, CA
- San Antonio Regional HospitalUpland, CA
Industry payments (Open Payments)
- 2025$3,196 · 127 payments from 26 companies
- 2024$3,527 · 202 payments from 26 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $573.25 | 7 |
| Abbott Laboratories | $389.37 | 15 |
| Dexcom, Inc. | $353.75 | 23 |
| Amgen Inc. | $288.36 | 16 |
| Corcept Therapeutics | $212.06 | 7 |
What the 2025 payments were for
- Food and Beverage$2,820 · 126 payments
- Travel and Lodging$376.29 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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