Tannaz Guivatchian, MD
NPI 1285897835ActiveIndividual· Internal Medicine, Gastroenterology· Northville, MI
Internal Medicine, Gastroenterology (MD) in Northville, Michigan, trained at University of Michigan Medical School (class of 2008). Their prescriptions cost Medicare Part D more than their services did: $193,631 for 289 claims, against $14,938 paid for services in 2024. Laborie Medical Technologies Corp. reported $112.04 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1285897835 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 3, 2008 |
| Last updated in NPPES | Dec 13, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 4301092130 | MI |
| Internal Medicine | 207R00000X | 4301092130 | 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 - Gastroenterology (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 132 |
|---|---|
| Services billed | 172 across 21 procedure codes |
| Paid by Medicare | $14,938 |
Part D prescriptions in 2024
| Prescriptions (claims) | 289 · 552 30-day fills |
|---|---|
| Patients | 100 |
| Total drug cost | $193,631 |
| Generic share | 77% of claims |
Education and affiliations
| Medical school | University of Michigan Medical School |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Regents of the University of MichiganAnn Arbor, MI · 3,346 clinicians
Hospital affiliation
- University of Michigan Health SystemAnn Arbor, MI
Industry payments (Open Payments)
- 2024$112.04 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Laborie Medical Technologies Corp. | $112.04 | 1 |
What the 2024 payments were for
- Food and Beverage$112.04 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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