Gabriel Nicolas Guzman, MD
NPI 1720576127ActiveIndividual· Internal Medicine· Saint Paul, MN
Internal Medicine (MD) in Saint Paul, Minnesota, trained at George Washington University School of Medicine (class of 2018). In 2024 Medicare paid $66,542 for 197 patients, and Part D covered 72 of their prescriptions, 26% of them generic. Intuitive Surgical, Inc. was the largest of 6 companies reporting payments in 2025, $3,098 in all, mostly education.
Overview
| NPI | 1720576127 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 1, 2018 |
| Last updated in NPPES | Sep 1, 2026 |
| Certified by provider | Sep 1, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 68990 | MN |
| Hospitalist | 208M00000X | A195798 | CA |
| Internal Medicine, Critical Care Medicine | 207RC0200X | 68990 | MN |
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 - Pulmonary Disease (CA); Practitioner - Internal Medicine (MN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 197 |
|---|---|
| Services billed | 557 across 37 procedure codes |
| Paid by Medicare | $66,542 |
Part D prescriptions in 2024
| Prescriptions (claims) | 72 · 82 30-day fills |
|---|---|
| Patients | 18 |
| Total drug cost | $51,670 |
| Generic share | 26% of claims |
Education and affiliations
| Medical school | George Washington University School of Medicine |
|---|---|
| Graduation year | 2018 |
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Critical Care (Intensivists) |
| Telehealth | Offers telehealth |
Medical group
- Muir Pulmonary Critical CareWalnut Creek, CA · 13 clinicians
Hospital affiliations
- John Muir Medical Center - Concord CampusConcord, CA
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA
Industry payments (Open Payments)
- 2025$3,098 · 13 payments from 6 companies
- 2024$122.18 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Intuitive Surgical, Inc. | $1,500 | 1 |
| Pulmonx Corporation | $1,479 | 7 |
| Glaxosmithkline, LLC. | $45.87 | 2 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $33.73 | 1 |
| Jazz Pharmaceuticals Inc. | $22.68 | 1 |
What the 2025 payments were for
- Education$1,500 · 1 payment
- Travel and Lodging$1,159 · 3 payments
- Food and Beverage$439.05 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 259 internal medicine physicians in Saint Paul · All internal medicine physicians in Minnesota