Quick answers
- Does Jeannie Hennessy accept Medicare assignment?
- Yes. Medicare's clinician data says Jeannie Hennessy accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Jeannie Hennessy see?
- In 2024, CMS data shows 743 Original Medicare patients and 1,763 services for Jeannie Hennessy. This counts Original Medicare only and measures volume, not quality.
- What is Jeannie Hennessy's NPI number?
- 1104043561. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Jeannie Hennessy, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 743 |
|---|---|
| Services billed to Medicare | 1,763 |
| Different services or procedures | 7 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Pathology examination of tissue using a microscope, intermediate complexity (88305)1,311 services
- Special stained specimen slides to examine tissue, initial procedure (88342)138 services
- Pathology examination of tissue using a microscope, moderately low complexity (88304)113 services
- Special stained specimen slides to examine tissue, each additional procedure (88341)103 services
- Special stained specimen slides to identify organisms including interpretation and report (88312)63 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol75%
- High blood pressure71%
- Arthritis48%
- Ischemic heart disease26%
- Diabetes23%
- Chronic kidney disease21%
Practice locations
Addresses where Jeannie Hennessy is enrolled with Medicare (CMS data updated October 2, 2026).
- 2100 Marble Cliff Office ParkColumbus, OH 43215 (614) 299‑7546
- 235 W Schrock RdWesterville, OH 43081 (614) 895‑0400
- 925 N Hamilton Rd, Suite 100Gahanna, OH 43230 (614) 473‑9519
Group practices
Medicare enrollment lists Jeannie Hennessy as a member of these groups (CMS data updated October 2, 2026).
- Center for Surgical Dermatology Inc34 clinicians in the group
- Northeast Dermatology and Cosmetic Surgery Center6 clinicians in the group
Specialties
- Pathologyprimary
Other pathologists in Columbus
Clinicians with the same Medicare primary specialty in Columbus, OH — not a recommendation.
Other clinicians in Center for Surgical Dermatology Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1992 (34 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1104043561 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians