Physician Profile
Unclaimed ProfileAbout GRONOWITZ
Based in Clifton, NJ, Steven David Gronowitz, M.D. is listed in the NPI registry under gastroenterology. Steven is also listed as specializing in internal medicine. According to Medicare claims data, Steven cared for 670 Medicare patients across 20,378 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
- (973) 471-8200
- Email not available
Practice Locations
1011 CLIFTON AVE
Clifton, NJ 07013
Procedures Most Often Billed to Medicare
20,378 services · 670 patients · 13 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
92 |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
60 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
53 |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
13 |
| Injection, vedolizumab, intravenous, 1 mg | Drug given | J3380 |
19,200 |
| Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month | Office visit | 99439 |
328 |
| Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | Office visit | 99490 |
195 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
132 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
122 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
83 |
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 gastroenterology specialists at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
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 — 31 related providers in 4 groups
Other gastroenterology specialists in Clifton 7
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1990 at Other 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 NJ who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Gronowitz?
Dr. Gronowitz is a gastroenterology in Clifton, NJ. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GASTROENTEROLOGY”.
NPI registry
What is Dr. Gronowitz's address?
Dr. Gronowitz is listed at 1011 CLIFTON AVE, Clifton, NJ 07013. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Gronowitz?
The number on file is (973) 471-8200. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Gronowitz's NPI number?
Dr. Gronowitz's National Provider Identifier is 1093772030. 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. Gronowitz train?
Dr. Gronowitz attended Other, graduating in 1990. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Gronowitz been practicing?
Dr. Gronowitz has 36 years experience. Calculated from a graduation year of 1990, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Gronowitz perform?
According to Medicare billing data, Dr. Gronowitz 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 removal of polyps or growths of large bowel using an endoscope with mechanical snare, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Gronowitz confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Gronowitz. 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.