Julia Geynisman-Tan, MD
NPI 1831465806ActiveIndividual· Obstetrics & Gynecology, Urogynecology and Reconstructive Pelvic Surgery· Chicago, IL
Obstetrics & Gynecology, Urogynecology and Reconstructive Pelvic Surgery (MD) in Chicago, Illinois, trained at University of Michigan Medical School (class of 2012). In 2024 Medicare paid $293,640 for 519 patients, and Part D covered 392 of their prescriptions, 56% of them generic. Medtronic, Inc. was the largest of 3 companies reporting payments in 2025, $1,157 in all, mostly food and beverage.
Overview
| NPI | 1831465806 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Mar 23, 2012 |
| Last updated in NPPES | Apr 23, 2021 |
| Certified by provider | Apr 23, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology, Urogynecology and Reconstructive Pelvic Surgery Primary | 207VF0040X | 036139425 | IL |
| Obstetrics & Gynecology | 207V00000X | 036-139425 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Obstetrics/Gynecology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 519 |
|---|---|
| Services billed | 14,908 across 50 procedure codes |
| Paid by Medicare | $293,640 |
Part D prescriptions in 2024
| Prescriptions (claims) | 392 · 688 30-day fills |
|---|---|
| Patients | 177 |
| Total drug cost | $110,602 |
| Generic share | 56% of claims |
Education and affiliations
| Medical school | University of Michigan Medical School |
|---|---|
| Graduation year | 2012 |
| Medicare specialty | Obstetrics/Gynecology |
| Telehealth | Offers telehealth |
Medical groups
- Northwestern Medical Faculty FoundationChicago, IL · 4,503 clinicians
- Central Dupage Physician GroupGeneva, IL · 1,080 clinicians
Hospital affiliations
- Northwestern Medicine Central Dupage HospitalWinfield, IL
- Northwestern Medicine Delnor Community HospitalGeneva, IL
- Northwestern Medicine McHenryMcHenry, IL
- Northwestern Memorial HospitalChicago, IL
- Palos Community HospitalPalos Heights, IL
Industry payments (Open Payments)
- 2025$1,157 · 13 payments from 3 companies
- 2024$215.07 · 5 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $580.19 | 4 |
| Kerecis Limited | $416.63 | 6 |
| Boston Scientific Corporation | $160.28 | 3 |
What the 2025 payments were for
- Food and Beverage$769.81 · 11 payments
- Travel and Lodging$387.29 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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