Naina Chandan, DO
NPI 1104489624ActiveIndividual· Family Medicine· Olympia Fields, IL
Family Medicine (DO) in Olympia Fields, Illinois, trained at Des Moines University of Osteopathic Medicine and Health Sciences (class of 2019). 36 Medicare patients in 2024, $7,268 paid; nearly all of their 234 Part D prescriptions were generic (92%). Exact Sciences Corporation was the largest of 2 companies reporting payments in 2025, $286.44 in all, mostly food and beverage.
Overview
| NPI | 1104489624 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Apr 19, 2019 |
| Last updated in NPPES | Jan 2, 2025 |
| Certified by provider | Jan 2, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 036160460 | IL |
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 - Family Practice (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 36 |
|---|---|
| Services billed | 262 across 35 procedure codes |
| Paid by Medicare | $7,268 |
Part D prescriptions in 2024
| Prescriptions (claims) | 234 · 444 30-day fills |
|---|---|
| Patients | 71 |
| Total drug cost | $7,725 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | Des Moines University of Osteopathic Medicine and Health Sciences |
|---|---|
| Graduation year | 2019 |
| Medicare specialty | Family Practice |
Medical group
- Rush University Medical GroupChicago, IL · 1,551 clinicians
Hospital affiliation
- Rush University Medical CenterChicago, IL
Industry payments (Open Payments)
- 2025$286.44 · 3 payments from 2 companies
- 2024$120.89 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $162.49 | 2 |
| Novo Nordisk Inc | $123.95 | 1 |
What the 2025 payments were for
- Food and Beverage$286.44 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 29 family medicine physicians in Olympia Fields · All family medicine physicians in Illinois