Physician Profile
Robert D. Pfeffer, MD practices gastroenterology in New York, NY. Robert is a 1984 graduate of New York University School of Medicine. According to Medicare claims data, Robert cared for 851 Medicare patients across 1,227 services. 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, new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more, and insertion of needle into vein for collection of blood sample.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
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.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
317 E 34TH ST
New York, NY 10016
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.
Most searched conditions
Biliary and pancreas
Colon and anorectal
Esophagus and swallowing
Functional bowel and motility
Liver
Stomach and duodenum
Bowel & Colon
Digestive Symptoms
Gallbladder & Bile Ducts
Most searched procedures
Lower endoscopy
Upper endoscopy
Capsule and physiology testing
Diagnostic Testing
Liver procedures
Treatments
1,227 services · 851 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
104 | More often than most peers in Gastroenterology |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
40 | As often as other 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 |
659 | More 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 |
144 | More than most peers in Gastroenterology |
| Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | Lab test | 85025 |
70 | 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 |
67 | As often as other peers in Gastroenterology |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
50 | More often than most peers in Gastroenterology |
| Blood test, comprehensive group of blood chemicals | Lab test | 80053 |
49 | More often than most peers in Gastroenterology |
| Lipase (fat enzyme) level | Lab test | 83690 |
16 | As often as other peers in Gastroenterology |
| Blood test, thyroid stimulating hormone (tsh) | Lab test | 84443 |
15 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Pfeffer 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
Dr. Pfeffer is listed at 317 E 34Th St, New York, NY 10016. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (212) 726-7400. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Pfeffer's National Provider Identifier is 1558360172. 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
Dr. Pfeffer attended New York University School of Medicine, graduating in 1984. This comes from the CMS National Downloadable File.
CMS public data
Dr. Pfeffer has 42 years experience. Calculated from a graduation year of 1984, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Pfeffer performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Pfeffer. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.