Kirsten B. Hohmann, MD
NPI 1912017989ActiveIndividual· Internal Medicine· New Canaan, CT
Internal Medicine (MD) in New Canaan, Connecticut, trained at Warren Alpert Medical School of Brown University (class of 1990). Their prescriptions cost Medicare Part D more than their services did: $151,053 for 3,095 claims, against $95,122 paid for services in 2024. Exact Sciences Corporation reported $18.29 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1912017989 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 30, 2006 |
| Last updated in NPPES | Feb 29, 2024 |
| Certified by provider | Feb 29, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 046393 | CT |
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 - Internal Medicine (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 244 |
|---|---|
| Services billed | 1,423 across 40 procedure codes |
| Paid by Medicare | $95,122 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,095 · 6,953 30-day fills |
|---|---|
| Patients | 329 |
| Total drug cost | $151,053 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | Warren Alpert Medical School of Brown University |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Stamford Health Medical Group IncStamford, CT · 444 clinicians
- Optimus Health Care IncBridgeport, CT · 79 clinicians
Hospital affiliations
- Greenwich Hospital Association -Greenwich, CT
- Norwalk HospitalNorwalk, CT
- Stamford HospitalStamford, CT
Other facilities
- Visiting Nurse & Hospice of Fairfield County, IncHome health agency · Wilton, CT
Industry payments (Open Payments)
- 2025$18.29 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $18.29 | 1 |
What the 2025 payments were for
- Food and Beverage$18.29 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 15 internal medicine physicians in New Canaan · All internal medicine physicians in Connecticut