Gustavo F. Tataje Rengifo, MD
NPI 1033601489ActiveIndividual· Internal Medicine· Lansing, MI
Internal Medicine (MD) with Edward W Sparrow Hospital Association, practicing in Lansing, Michigan. Their prescriptions cost Medicare Part D more than their services did: $590,763 for 3,675 claims, against $19,665 paid for services in 2024. Novo Nordisk Inc was the largest of 16 companies reporting payments in 2025, $1,033 in all, mostly food and beverage. Lists Edward W Sparrow Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1033601489 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 1, 2018 |
| Last updated in NPPES | Jul 23, 2021 |
| Certified by provider | Jul 23, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 4301504688 | MI |
| Internal Medicine | 207R00000X | 4351043487 | MI |
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 - Internal Medicine (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 107 |
|---|---|
| Services billed | 421 across 20 procedure codes |
| Paid by Medicare | $19,665 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,675 · 7,301 30-day fills |
|---|---|
| Patients | 322 |
| Total drug cost | $590,763 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Edward W Sparrow Hospital AssociationLansing, MI · 730 clinicians
Hospital affiliations
- Edward W Sparrow HospitalLansing, MI
- Memorial HealthcareOwosso, MI
- University of Michigan Health - Sparrow EatonCharlotte, MI
- University of Michigan Health- Sparrow ClintonSaint Johns, MI
Other facilities
- Elara CaringHome health agency · Jackson, MI
Industry payments (Open Payments)
- 2025$1,033 · 50 payments from 16 companies
- 2024$1,194 · 63 payments from 22 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $329.48 | 13 |
| Pfizer Inc. | $171.84 | 9 |
| Abbott Laboratories | $112.69 | 6 |
| Abbvie Inc. | $80.04 | 5 |
| Axsome Therapeutics, Inc. | $49.84 | 2 |
What the 2025 payments were for
- Food and Beverage$1,003 · 49 payments
- Long term medical supply or device loan$29.97 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 154 internal medicine physicians in Lansing · All internal medicine physicians in Michigan