Doctor profile · Federal record
Dr. Diana Hennessy, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Columbus, OH
- NPI 1275852618
- Accepts Medicare
- MIPS 82.5 / 100 · 2023
- 16 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3555 Olentangy River RD Ste 1080
Columbus, OH 432143984
(614) 268-8164
fax (614) 268-8406
Credentials & registration
- NPI registered
- May 2010 — 16 yrs on file
- Profile last updated
- July 15, 2021
- Year of graduation
- 2010 — 16 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Ohio #35.121010
- Medicaid
- OH #0087542
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1275852618. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
439
Distinct HCPCS
4
Medicare allowed
$50,008
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 236 | 100 | $117 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 88 | 56 | $78 | |
99239 |
Hospital discharge day management, more than 30 minutes | 66 | 65 | $112 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 49 | 49 | $165 |
In context: peer comparison
Among 166 peers in Columbus Internal Medicine Physician, average services per provider: 93. This provider delivers 4.7× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
87
Patients
55
Total drug cost
$502
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 19 | 0 | $208 |
| Atorvastatin Calcium | Generic | 17 | 16 | $124 |
| Prednisone | Generic | 16 | 16 | $35 |
| Furosemide | Generic | 12 | 11 | $36 |
| Oxycodone Hcl | Generic | 12 | 12 | $26 |
| Clopidogrel (Clopidogrel Bisulfate) | Brand | 11 | 0 | $74 |
Hospital affiliations
Frequently asked questions
What is Dr. Diana Hennessy's medical specialty?
Dr. Diana Hennessy practices Internal Medicine Physician in Columbus, OH.
Where does Dr. Diana Hennessy practice?
Dr. Diana Hennessy practices at 3555 Olentangy River RD Ste 1080, Columbus, OH 432143984. Office phone: 6142688164.
What is Dr. Diana Hennessy's NPI?
Dr. Diana Hennessy's National Provider Identifier (NPI) is 1275852618, issued by NPPES.
Does Dr. Diana Hennessy accept Medicare assignment?
Yes. Dr. Diana Hennessy accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Diana Hennessy commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.