Physician Profile
Diana V. Hennessy, M.D.
Unclaimed ProfileAbout Dr. Hennessy
Based in Columbus, OH, Diana V. Hennessy, M.D. is listed in the NPI registry under internal medicine. Diana graduated from University of Louisville School of Medicine in 2010. According to Medicare claims data, Diana cared for 278 Medicare patients across 403 services. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, and hospital discharge day management, more than 30 minutes. NPI 1275852618 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (614) 268-8164
- Email not available
Practice Locations
3555 OLENTANGY RIVER RD STE 1080
Columbus, OH 43214
Conditions Commonly Evaluated or Treated
Within Internal Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
Respiratory
Blood & Circulation
Blood disorders
Brain & Nerves
Brain and nerves
Cardiac and vascular
Digestive
Heart & Circulation
Infections
Kidney & Bladder
Lungs & Breathing
Mental Health
Neurologic and behavioral
Pain
Rheumatologic and pain
Procedures & services
Most searched procedures
Preventive and evaluation
Screening and diagnostic testing
Bones & Joints
Brain and nerves
Cancer screening
Digestive
Exams & Consultations
Heart & Circulation
Heart health
Imaging referral
Immunizations
Lab tests
Lungs & Breathing
Metabolic & Weight
Minor procedures
Office procedures
Office Procedures
Pain management
Preventive & Routine Care
Screenings & Diagnostics
Sexual health
Procedures Most Often Billed to Medicare
403 services · 278 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
169 | As often as other peers in Internal Medicine |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
110 | As often as other peers in Internal Medicine |
| Hospital discharge day management, more than 30 minutes | Office visit | 99239 |
72 | As often as other peers in Internal Medicine |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
52 | As often as other peers in Internal Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other internists at this location 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 24 related providers in 3 groups
Other internists in Columbus 8
Same specialty, same city.
Trained at University of Louisville School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2010 at University of Louisville School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Diana V. Hennessy's specialty?
Diana V. Hennessy is an internist in Columbus, OH. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Where can I find Diana V. Hennessy?
Diana V. Hennessy is listed at 3555 Olentangy River Rd Ste 1080, Columbus, OH 43214. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Diana V. Hennessy?
The number on file is (614) 268-8164. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Diana V. Hennessy's NPI number?
Diana V. Hennessy's National Provider Identifier is 1275852618. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Diana V. Hennessy's education?
Diana V. Hennessy attended University of Louisville School of Medicine, graduating in 2010. This comes from the CMS National Downloadable File.
CMS public data
How long has Diana V. Hennessy been practicing?
Diana V. Hennessy has 16 years experience. Calculated from a graduation year of 2010, reported in the CMS National Downloadable File.
CMS public data
What is Diana V. Hennessy known for?
According to Medicare billing data, Diana V. Hennessy the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Diana V. Hennessy confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Diana V. Hennessy. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.