Are you Dr. Greenwald? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileWhere to find David A. Greenwald, MD
- New York location main office
17 E 102Nd St, New York, NY 10029 - New York location
1 Gustave L Levy Pl, New York, NY 10029 - New York location
1184 5th Ave, New York, NY 10029 - New York location
5 E 98th St, New York, NY 10029
About Dr. Greenwald
David A. Greenwald, MD is a healthcare provider in New York, NY specializing in gastroenterology. David trained at Albert Einstein College of Medicine of Yeshiva University, graduating in 1986. Medicare claims data shows David provided 584 services to 508 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, and initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes. This provider record is associated with NPI 1144305913.
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
- (212) 241-8100
- Email not available
Practice Locations
17 E 102ND ST
New York, NY 10029
1 Gustave L Levy Pl
New York, NY 10029
1184 5th Ave
New York, NY 10029
5 E 98th St
New York, NY 10029
Conditions Commonly Evaluated or Treated
Within Gastroenterology 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
- Acid reflux
- Celiac disease
- Crohn's disease
- Hemorrhoids
- IBS
- Swallowing difficulties
- Ulcerative colitis
Biliary and pancreas
Colon and anorectal
Esophagus and swallowing
Functional bowel and motility
Liver
- Ascites
- Autoimmune hepatitis
- Cirrhosis
- Fatty liver disease
- Hemochromatosis
- Hepatitis B
- Hepatitis C
- Portal hypertension
Stomach and duodenum
Bowel & Colon
Digestive Symptoms
Gallbladder & Bile Ducts
Procedures & services
Most searched procedures
Lower endoscopy
Upper endoscopy
Capsule and physiology testing
Diagnostic Testing
Liver procedures
Treatments
Procedures Most Often Billed to Medicare
584 services · 508 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
32 | Less often than most peers in Gastroenterology |
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
25 | As often as other peers in Gastroenterology |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
18 | Less often than most peers in Gastroenterology |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
13 | Less often than most peers in Gastroenterology |
| Imaging of digestive tract done from the inside of the digestive tract | Treatment | 91110 |
49 | More than most peers in Gastroenterology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
144 | More often than most peers in Gastroenterology |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
124 | More often than most peers in Gastroenterology |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
73 | More often than most peers in Gastroenterology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
53 | More often than most peers in Gastroenterology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
28 | Less often than most peers in Gastroenterology |
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 gastroenterologists at this location 4
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 — 32 related providers in 4 groups
Other gastroenterologists in New York 8
Same specialty, same city.
Trained at Albert Einstein College of Medicine of Yeshiva University 8
Other providers in the same specialty who trained at the same institution.
Class of 1986 at Albert Einstein College of Medicine of Yeshiva University 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 NY who bill this service to Medicare most often.
Common questions
What does Dr. Greenwald specialize in?
Dr. Greenwald is a gastroenterologist in New York, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
Where is Dr. Greenwald located?
Dr. Greenwald is listed at 17 E 102Nd St, New York, NY 10029. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Greenwald's phone number?
The number on file is (212) 241-8100. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Greenwald?
Dr. Greenwald's National Provider Identifier is 1144305913. 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. Greenwald go to medical school?
Dr. Greenwald attended Albert Einstein College of Medicine of Yeshiva University, graduating in 1986. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Greenwald have?
Dr. Greenwald has 40 years experience. Calculated from a graduation year of 1986, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Greenwald do most often?
According to Medicare billing data, Dr. Greenwald performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, insertion of needle into vein for collection of blood sample and biopsy of large bowel using a flexible endoscope; provides treatments such as imaging of digestive tract done from the inside of the digestive tract, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Greenwald's profile verified?
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.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.