Physician Profile
Unclaimed ProfileAbout HENNON
Mark W Hennon, MD practices thoracic surgery in Buffalo, NY. Mark is a 2002 graduate of State University of New York at Buffalo School of Medicine. Mark is also listed as specializing in thoracic surgery (cardiothoracic). According to Medicare claims data, Mark cared for 77 Medicare patients across 83 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (716) 845-2300
- Email not available
Practice Locations
ELM AND CARLTON ST CANCER CENTER GROUND FLOOR
Buffalo, NY 14263
Procedures Most Often Billed to Medicare
83 services · 77 patients · 5 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Exam of lung airways and sampling of lymph nodes using an endoscope and ultrasound guidance, 1-2 lymph nodes | Procedure | 31652 |
13 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
23 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
21 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
13 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
13 |
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.
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.
Other thoracic surgeons in Buffalo 8
Same specialty, same city.
Trained at State University of New York at Buffalo School of Medicine 6
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2002 at State University of New York at Buffalo School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Exam of lung airways and sampling of lymph nodes using an endoscope and ultrasound guidance, 1-2 lymph nodes 8
Providers in NY who bill this service to Medicare most often.
Common questions
What does Dr. Hennon specialize in?
Dr. Hennon is a thoracic surgeon in Buffalo, NY. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “THORACIC SURGERY”.
NPI registry
Where is Dr. Hennon located?
Dr. Hennon is listed at ELM AND CARLTON ST CANCER CENTER GROUND FLOOR, Buffalo, NY 14263. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Hennon's phone number?
The number on file is (716) 845-2300. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Hennon's NPI number?
Dr. Hennon's National Provider Identifier is 1124108998. 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
Where did Dr. Hennon go to medical school?
Dr. Hennon attended State University of New York at Buffalo School of Medicine, graduating in 2002. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Hennon been practicing?
Dr. Hennon has 24 years experience. Calculated from a graduation year of 2002, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Hennon do most often?
According to Medicare billing data, Dr. Hennon performs procedures including exam of lung airways and sampling of lymph nodes using an endoscope and ultrasound guidance, 1-2 lymph nodes, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Hennon confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Hennon. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.