Physician Profile
Unclaimed ProfileAbout GREENWALD
Based in Baltimore, MD, Bruce D Greenwald, M.D. is listed in the NPI registry under gastroenterology. Bruce graduated from University of Maryland School of Medicine in 1987. According to Medicare claims data, Bruce cared for 348 Medicare patients across 401 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
- (410) 328-8731
- Email not available
Practice Locations
22 S GREENE ST
Baltimore, MD 21201
Procedures Most Often Billed to Medicare
401 services · 348 patients · 13 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
102 |
| Destruction of polyp or growth of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43270 |
56 |
| Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm | Procedure | 43249 |
27 |
| Insertion of guide wire with dilation of esophagus using a flexible endoscope | Procedure | 43248 |
26 |
| Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43259 |
17 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
15 |
| Removal of tissue lining of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43254 |
14 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
37 |
| 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 |
34 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
20 |
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.
Related specialists at this location 3
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.
Other gastroenterology specialists in Baltimore 8
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at University of Maryland School of Medicine 7
Other providers in the same specialty who trained at the same institution.
Class of 1987 at University of Maryland School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 8
Providers in MD who bill this service to Medicare most often.
Common questions
What is Dr. Greenwald's specialty?
Dr. Greenwald is a gastroenterology in Baltimore, MD. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GASTROENTEROLOGY”.
NPI registry
Where can I find Dr. Greenwald?
Dr. Greenwald is listed at 22 S GREENE ST, Baltimore, MD 21201. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Greenwald?
The number on file is (410) 328-8731. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Greenwald's NPI number?
Dr. Greenwald's National Provider Identifier is 1801842018. 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 Dr. Greenwald's medical education?
Dr. Greenwald attended University of Maryland School of Medicine, graduating in 1987. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Greenwald been practicing?
Dr. Greenwald has 39 years experience. Calculated from a graduation year of 1987, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Greenwald known for?
According to Medicare billing data, Dr. Greenwald performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, destruction of polyp or growth of esophagus, stomach, and/or upper small bowel using a flexible endoscope and balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Greenwald confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Greenwald. 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.