Physician Profile
Johannes R. Kratz, MD
Unclaimed ProfileAbout Dr. Kratz
Based in Boston, MA, Johannes R. Kratz, MD is listed in the NPI registry under thoracic surgery. Johannes graduated from Harvard Medical School in 2006. Johannes is also listed as specializing in surgery. According to Medicare claims data, Johannes cared for 192 Medicare patients across 204 services. The services billed most often include new patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more, established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, and prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or. NPI 1619004058 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
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
- (617) 726-2066
- Email not available
Practice Locations
MASSACHUSETTS GENERAL HOSPITAL 55 FRUIT STREET
Boston, MA 02114
Conditions Commonly Evaluated or Treated
Within Thoracic Surgery 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
Airway
Chest tumors
Chest wall
Diaphragm
Esophagus
Esophagus and stomach
- Acid reflux
- Barrett's esophagus
- Esophageal cancer
- Esophageal pouch
- Esophagus tear
- Hiatal hernia
- Swallowing difficulties
Heart lining
Infection
Lung
Lung cancer
Lung conditions
Nerves
Nerves and blood vessels
Neuromuscular
Pleural disease
Sweating disorders
Trauma
Vascular
Procedures & services
Airway
Airway surgery
Chest tumors
Chest wall
Chest wall surgery
- Broken rib plating surgery
- Chest wall reconstruction
- Sunken chest repair
- Thoracic Outlet Decompression
Diagnostic tests
Diagnostics
Diaphragm
Diaphragm surgery
Emphysema
Esophagus
Esophagus surgery
- Acid reflux surgery
- Esophageal dilation
- Esophageal stent placement
- Esophagus removal surgery
- Hiatal hernia surgery
- Peroral endoscopic myotomy
Fluid drainage
Heart lining
Lung surgery
- Collapsed lung surgery
- Lung cancer surgery
- Lung lining scraping and cleaning
- Lung nodule removal
- Lung valve placement for emphysema
- Minimally invasive lung surgery
Nerves
Pleural disease
Robotic surgery
Surgical approach
Sweat surgery
Transplant
Trauma
Procedures Most Often Billed to Medicare
204 services · 192 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of lymph nodes of chest cavity using an endoscope | Procedure | 32674 |
22 | More often than most peers in Thoracic Surgery |
| Initial removal of wedge of lung tissue using an endoscope | Procedure | 32666 |
18 | Too few peers to compare |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
86 | More than most peers in Thoracic Surgery |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
53 | More often than most peers in Thoracic Surgery |
| Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or | Billing code | G2212 |
25 | As often as other peers in Thoracic Surgery |
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 thoracic surgeons at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 6
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 — 28 related providers in 4 groups
Other thoracic surgeons in Boston 7
Same specialty, same city.
Trained at Harvard Medical School 6
Other providers in the same specialty who trained at the same institution.
Class of 2006 at Harvard Medical School 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of lymph nodes of chest cavity using an endoscope 7
Providers in MA who bill this service to Medicare most often.
Common questions
What does Dr. Kratz specialize in?
Dr. Kratz is a thoracic surgeon in Boston, MA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Thoracic Surgery”.
NPI registry
Where is Dr. Kratz located?
Dr. Kratz is listed at Massachusetts General Hospital 55 Fruit Street, Boston, MA 02114. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Kratz's phone number?
The number on file is (617) 726-2066. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Kratz's NPI number?
Dr. Kratz's National Provider Identifier is 1619004058. 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. Kratz go to medical school?
Dr. Kratz attended Harvard Medical School, graduating in 2006. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Kratz been practicing?
Dr. Kratz has 20 years experience. Calculated from a graduation year of 2006, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Kratz do most often?
According to Medicare billing data, Dr. Kratz performs procedures including removal of lymph nodes of chest cavity using an endoscope and initial removal of wedge of lung tissue using an endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Kratz confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Kratz. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.