Dr. Ann-kathrin Eisfeld, M.D.
Hematology (Hematology (Internal Medicine) Physician)
- Medicare participating
At a glance
- Years since graduation
- 19
- In the NPI registry since
- 2016
- Medicare patients seen, 2024
- 35
The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is
Education and training
- 2016Registered with an NPI (national billing number; not a license date)
Medicare’s Care Compare data doesn’t list this clinician’s medical school. Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).
Specialties and state licenses
-
Hematology (Internal Medicine) Physician primary
OH license 35.134627
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- Ohio State University State Health System Columbus, OH
Medical groups
- Osu Internal Medicine LLC (1,161 clinicians)
Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.
Medicare patients and services
- Medicare patients, 2024
- 35
- Services billed
- 129
- Patients’ average age
- 70
| Service | Times | Patients |
|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 129 | 35 |
| Hospital discharge day management, more than 30 minutes | 13 | 11 |
Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.
Payments from drug and device companies
In 2025, 4 companies reported 19 payments worth $17,959 in total to this clinician.
| Servier Pharmaceuticals LLC | $8,663 |
|---|---|
| Syndax Pharmaceuticals, Inc. | $4,449 |
| Daiichi Sankyo Europe GmbH | $3,246 |
| Astellas Pharma US Inc | $1,600 |
| Consulting Fee | $14,687 |
|---|---|
| Travel and Lodging | $2,960 |
| Food and Beverage | $312 |
What the payments were for
| Company | What it was for | Amount |
|---|---|---|
| Servier Pharmaceuticals LLC Jun 6, 2025 | Consulting Fee Tibsovo · Oncology | $3,400 |
| Servier Pharmaceuticals LLC Sep 19, 2025 | Consulting Fee Tibsovo · Oncology | $3,400 |
| Syndax Pharmaceuticals, Inc. May 3, 2025 | Consulting Fee REVUFORJ · HEMATOLOGY-ONCOLOGY | $3,200 |
| Daiichi Sankyo Europe GmbH Jul 30, 2025 | Consulting Fee | $3,087 |
| Astellas Pharma US Inc Nov 7, 2025 | Consulting Fee Xospata · Oncology | $1,600 |
| Syndax Pharmaceuticals, Inc. May 3, 2025 | Travel and Lodging REVUFORJ · HEMATOLOGY-ONCOLOGY · travel to CHICAGO, IL · in-kind | $718 |
| Servier Pharmaceuticals LLC Jun 6, 2025 | Travel and Lodging Tibsovo · Oncology · travel to Boston, MA | $558 |
| Servier Pharmaceuticals LLC Jun 6, 2025 | Travel and Lodging Tibsovo · Oncology · travel to Boston, MA | $549 |
| Servier Pharmaceuticals LLC Sep 19, 2025 | Travel and Lodging Tibsovo · Oncology · travel to Boston, MA | $500 |
| Syndax Pharmaceuticals, Inc. May 3, 2025 | Travel and Lodging REVUFORJ · HEMATOLOGY-ONCOLOGY · travel to CHICAGO, IL · in-kind | $184 |
All 15 payments other than meals, newest first
| Company | What it was for | Amount |
|---|---|---|
| Astellas Pharma US Inc Nov 7, 2025 | Consulting Fee Xospata · Oncology | $1,600 |
| Servier Pharmaceuticals LLC Sep 19, 2025 | Consulting Fee Tibsovo · Oncology | $3,400 |
| Servier Pharmaceuticals LLC Sep 19, 2025 | Travel and Lodging Tibsovo · Oncology · travel to Boston, MA | $500 |
| Servier Pharmaceuticals LLC Sep 19, 2025 | Travel and Lodging Tibsovo · Oncology · travel to Boston, MA | $97.25 |
| Daiichi Sankyo Europe GmbH Jul 30, 2025 | Consulting Fee | $3,087 |
| Daiichi Sankyo Europe GmbH Jul 30, 2025 | Travel and Lodging travel to MADRID, Spain | $159 |
| Servier Pharmaceuticals LLC Jun 6, 2025 | Consulting Fee Tibsovo · Oncology | $3,400 |
| Servier Pharmaceuticals LLC Jun 6, 2025 | Travel and Lodging Tibsovo · Oncology · travel to Boston, MA | $558 |
| Servier Pharmaceuticals LLC Jun 6, 2025 | Travel and Lodging Tibsovo · Oncology · travel to Boston, MA | $549 |
| Servier Pharmaceuticals LLC Jun 6, 2025 | Travel and Lodging Tibsovo · Oncology · travel to Boston, MA | $78.12 |
| Syndax Pharmaceuticals, Inc. May 3, 2025 | Consulting Fee REVUFORJ · HEMATOLOGY-ONCOLOGY | $3,200 |
| Syndax Pharmaceuticals, Inc. May 3, 2025 | Travel and Lodging REVUFORJ · HEMATOLOGY-ONCOLOGY · travel to CHICAGO, IL · in-kind | $718 |
| Syndax Pharmaceuticals, Inc. May 3, 2025 | Travel and Lodging REVUFORJ · HEMATOLOGY-ONCOLOGY · travel to CHICAGO, IL · in-kind | $184 |
| Syndax Pharmaceuticals, Inc. May 3, 2025 | Travel and Lodging REVUFORJ · HEMATOLOGY-ONCOLOGY · travel to CHICAGO, IL | $69.60 |
| Syndax Pharmaceuticals, Inc. May 3, 2025 | Travel and Lodging REVUFORJ · HEMATOLOGY-ONCOLOGY · travel to CHICAGO, IL | $48.00 |
Each payment as the company reported it, with the products it named. Meals are counted in the totals above but not listed one by one.
From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.