Tina Chaalan
NPI 1477916427ActiveIndividual· Obstetrics & Gynecology· Dearborn, MI
Obstetrics & Gynecology in Dearborn, Michigan, trained at Michigan State University College of Human Medicine (class of 2016). 47 Medicare patients in 2024, $8,436 paid; nearly all of their 104 Part D prescriptions were generic (95%). Hologic Sales and Service, LLC was the largest of 17 companies reporting payments in 2025, $915.44 in all, mostly food and beverage.
Overview
| NPI | 1477916427 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Mar 29, 2016 |
| Last updated in NPPES | May 13, 2022 |
| Certified by provider | May 13, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 4301502528 | 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 - Obstetrics/Gynecology (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 47 |
|---|---|
| Services billed | 127 across 24 procedure codes |
| Paid by Medicare | $8,436 |
Part D prescriptions in 2024
| Prescriptions (claims) | 104 · 171 30-day fills |
|---|---|
| Patients | 52 |
| Total drug cost | $3,322 |
| Generic share | 95% of claims |
Education and affiliations
| Medical school | Michigan State University College of Human Medicine |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Obstetrics/Gynecology |
Medical group
- Dearborn Obstetrical and Gynecological Associates, P.C.Dearborn, MI · 5 clinicians
Hospital affiliations
- Beaumont Hospital - DearbornDearborn, MI
- Beaumont Hospital Royal OakRoyal Oak, MI
Industry payments (Open Payments)
- 2025$915.44 · 30 payments from 17 companies
- 2024$846.68 · 36 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Hologic Sales and Service, LLC | $206.18 | 4 |
| Novo Nordisk Inc | $164.08 | 3 |
| Lilly USA, LLC | $110.36 | 2 |
| Sumitomo Pharma America, Inc. | $78.25 | 4 |
| Organon LLC | $48.53 | 2 |
What the 2025 payments were for
- Food and Beverage$915.44 · 30 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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