Arnold J Markowitz, MD practises gastroenterology in New York, NY. Arnold is a 1987 graduate of New York University School of Medicine.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Dr. Markowitz is a gastroenterology in New York, NY. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GASTROENTEROLOGY”.
NPI registry
Dr. Markowitz is listed at 1275 YORK AVE, New York, NY 10021. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (212) 639-2000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Markowitz's National Provider Identifier is 1770683286. 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. Markowitz attended New York University School of Medicine, graduating in 1987. This comes from the CMS National Downloadable File.
CMS public data
Dr. Markowitz has 39 years experience. Calculated from a graduation year of 1987, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Markowitz performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, biopsy of large bowel using a flexible endoscope and diagnostic exam of large bowel using a flexible endoscope, 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. Markowitz. If this is you, claiming it is free.
Guide.md
Source: NPPES NPI Registry
1275 YORK AVE
New York, NY 10021
441 services · 433 patients · 10 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
72 |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
59 |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
55 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
31 |
| Injection beneath lining of large bowel using a flexible endoscope | Procedure | 45381 |
30 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
17 |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
11 |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
11 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
89 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
66 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Clinically related specialties at the same address — the people this provider most likely works alongside.
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Same specialty, same city.
Other providers in the same specialty who trained at the same institution.
Providers who graduated from the same medical school in the same year.
Providers in NY who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.