Cara Coughlin O'Brien, M.D.
NPI 1720407893ActiveIndividual· Internal Medicine, Geriatric Medicine· Milwaukee, WI
Internal Medicine, Geriatric Medicine (M.D.) in Milwaukee, Wisconsin, trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (class of 2014). Their prescriptions cost Medicare Part D more than their services did: $360,839 for 4,548 claims, against $20,817 paid for services in 2024.
Overview
| NPI | 1720407893 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 15, 2014 |
| Last updated in NPPES | Sep 11, 2023 |
| Certified by provider | Sep 11, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Geriatric Medicine Primary | 207RG0300X | 64832 | WI |
| Internal Medicine | 207R00000X | 64832 | WI |
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 - Geriatric Medicine (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 127 |
|---|---|
| Services billed | 296 across 17 procedure codes |
| Paid by Medicare | $20,817 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,548 · 7,500 30-day fills |
|---|---|
| Patients | 318 |
| Total drug cost | $360,839 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) |
|---|---|
| Graduation year | 2014 |
| Medicare specialty | Geriatric Medicine |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- The Medical College of Wisconsin IncMilwaukee, WI · 2,115 clinicians
- Froedtert Andthe Medical College of Wisconsin Community Physicians IncWauwatosa, WI · 1,285 clinicians
Hospital affiliation
- Froedtert Memorial Lutheran HospitalMilwaukee, WI
Other facilities
- Horizon Home Care and HospiceHome health agency · Milwaukee, WI
- Horizon Homecare and HospiceHospice · Milwaukee, WI
- Lutheran HomeNursing home · Wauwatosa, WI
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 34 geriatricians in Milwaukee · All geriatricians in Wisconsin