NPI registry status
Active
2026 NPPES data Hepatology Physician NPI 1093772030 M.D.
Verify on CMS → Steven Gronowitz, M.D.
Hepatology Physician in Clifton, New Jersey.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 286 in Hepatology Physician, and covers specialty classification, practice address, and Medicare Part D prescribing data when reported. According to CMS, every field reflects the provider's official federal registration, see our methodology.
Federal data, no proprietary rating.
We show these CMS records as-is - no composite score, no star rating, no editorial opinion layered on top.
Prescribing volume
990
Medicare Part D claims · 283 beneficiaries · Hepatology Physician avg: 829
Generic prescribing
75%
generic claims · 25% brand-name · higher generic rates reduce patient out-of-pocket costs
MIPS score
100/100
▲ 17 pts above national avg 83.5 · Exceptional
Industry payments
$3.1K
144 payments · CMS Open Payments (Sunshine Act)
Source: CMS Medicare Part D Prescriber Public Use File, 2024
What the federal data shows
Steven Gronowitz, M.D. reported a CMS MIPS final score of 100/100 - above the 83.5 national average - and filed 990 Medicare Part D claims in 2024.
- 100/100
- MIPS score · +17 vs avg
- 990
- Part D claims, 2024
- 75%
- generic prescribing
- Likely
- board-certified (heuristic)
Every figure on this page comes straight from federal CMS records (NPPES, Medicare Part D, MIPS, Open Payments) - no proprietary rating or editorial opinion is applied.
Federal trust snapshot
What official records show about Steven Gronowitz, M.D.
Federal records show an active NPI with both Medicare prescribing volume and a measured CMS quality score — objective registry data, not patient reviews.
- Verified
NPI registry status
Active listing in the CMS National Provider Identifier Registry (NPI 1093772030), first enumerated 04/26/2006.
Source: CMS NPPES
- Reported
Medicare Part D participation
Filed 990 Medicare Part D prescription claims in the 2023 CMS public use file — indicates active Medicare prescribing participation.
Source: CMS Part D Prescriber PUF
- Reported
CMS quality reporting (MIPS)
Reported a CMS MIPS final score of 100/100 in the Quality Payment Program — a federal quality measure, not a patient review.
Source: CMS Quality Payment Program
- Reported
Board certification signal
Heuristic suggests board-certified status based on ABMS-eligible specialty taxonomy plus active CMS participation signals — not a direct ABMS verification.
- Reported
Hospital affiliations
2 CMS Care Compare hospital affiliations on record — practice footprint from the Doctors and Clinicians file.
Source: CMS Care Compare
- Reported
Industry payment transparency
$3.1K in reported industry payments (144 transfers) in 2024 under the federal Sunshine Act — disclosed transfers of value, not a quality rating.
Source: CMS Open Payments
- Not in federal data
Individual sanction lookup
PlainDoctor does not publish per-provider disciplinary determinations. Confirm current license and any individual actions through the state medical board or FSMB verification service.
Source: State medical board / FSMB
This trust snapshot summarizes only what appears in federal CMS/NPPES public records. It is not a composite score, star rating, patient review, or clinical recommendation. PlainDoctor never fabricates reviews or AggregateRating schema.
CMS NPPES provider registry desk
NPI 1093772030 · Hepatology Physician
NPI-10 · ENUM-LEGACY · TAX-TRACE · MIPS-ELITE · RX-LIGHT · BOOK-THIN · PHOTO-FINISH
- NPI-10 1093772030
- ENUM-LEGACY 2006
- TAX-TRACE 286
- MIPS-ELITE 100/100
- RX-LIGHT 990
- BOOK-THIN 7 in New Jersey
- PHOTO-FINISH Robert Brown, MD · ±0.0
MIPS final-score neighbourhood
Same-specialty nationwide peers by CMS final score, not geographic proximity
- Gronowitz · this…
Gronowitz · this provider
100 MIPS pts
- Lorna Dove, MD ·…
Lorna Dove, MD
100 MIPS pts
- Robert Brown, MD…
Robert Brown, MD
100 MIPS pts
- Adam Buckholz, M…
Adam Buckholz, M.D.
100 MIPS pts
- Kristina Chacko,…
Kristina Chacko, M.D.
100 MIPS pts
What this shows Nearest measured MIPS peers for this NUCC specialty (2023 performance year).
Steven Gronowitz, M.D.'s MIPS score vs every measured U.S. clinician
CMS Merit-based Incentive Payment System (MIPS) final score, 2023, the federal quality measure. Clinicians whose score CMS assigned without scoring any category are excluded.
100 ≥ 92nd percentile 92% of 454,083 measured providers are in lower value bands
Each bar is a band; taller bars hold more measured providers. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
The percentile is a conservative whole-score-point band: it counts only measured clinicians in lower score bands. A CMS MIPS metric is not a recommendation or a clinical-quality rating by PlainDoctor. See methodology § corpus placement.
Source CMS Merit-based Incentive Payment System (MIPS) · 2023
Where Steven Gronowitz, M.D. sits
This provider among hepatology physician peers
Across the 94 hepatology physician providers who report both Medicare Part D prescribing and a MIPS quality score, Steven Gronowitz, M.D. writes more Part D claims than 77% of them and scores higher on MIPS quality than 86% - placing this provider in the high-volume, high-quality quadrant. Volume reflects patient-panel size and specialty, not quality; the two axes are independent.
Each dot is one hepatology physician peer from a representative sample of 60; the gold marker is Steven Gronowitz, M.D.. Source: CMS Medicare Part D Prescriber data and the CMS Merit-based Incentive Payment System, 2023.
✓
Board certification likely (heuristic, not verified)
Steven Gronowitz, M.D. practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + MIPS quality reporting + 2 hospital affiliations - signals consistent with board-certified status. For verified board certification, see CertificationMatters.org (the official ABMS public lookup).
What does the federal data show about Steven Gronowitz, M.D.?
High performer (top quartile)Primary specialty
Hepatology Physician
Medicare Part D claims
990 19% vs specialty avg
MIPS final score
100/100 16.5 pts vs avg
Specialty distribution in New Jersey
How Hepatology Physician compares to other specialties among New Jersey providers
Medicare quality performance, MIPS
Steven Gronowitz, M.D.'s 2023 MIPS final score plotted against the Hepatology Physician national average
- MIPS Final Score
- 100/100
- vs 83.5 national avg · 2023 performance year
How MIPS and board certification work
The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.
Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).
Practice Address
Provider Details
| NPI | 1093772030 |
|---|---|
| Specialty | Hepatology Physician |
| Credentials | M.D. |
| Gender | Male |
| NPI Issued | 04/26/2006 |
CMS Quality Score (MIPS)
Merit-based Incentive Payment System (MIPS) scores from CMS, 2023 performance year.
100
Final Score
Measured-score avg: 83.5
100
Promoting Interoperability
Reporting: Individual
Hospital and facility affiliations
Facilities where Steven Gronowitz, M.D. bills Medicare from. Star ratings (1-5) are CMS Hospital Compare's "Hospital overall rating" - a composite of mortality, readmission, patient experience, safety, timely care, and efficient use of medical imaging measures. Source: CMS Care Compare.
Bhmg - United Medical
Lyndhurst, NJ
Gastroenterology Associates OF New Jersey LLC
Clifton, NJ
Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).
Industry payments received (2024) - CMS Open Payments transparency data
The federal Physician Payments Sunshine Act (part of the Affordable Care Act) requires drug and medical-device manufacturers + group purchasing organizations to publicly report payments and other transfers of value to physicians and teaching hospitals. The data below covers 2024 for Steven Gronowitz, M.D.. Source: openpaymentsdata.cms.gov.
Total received
$3.1K
Largest payer
Olympus America Inc.
Most common payment type
Food and Beverage
Industry payments are not necessarily indicators of bias, they include research funding, consulting fees for evidence-based work, royalties for inventions, food at conferences, and similar items. The disclosure exists for transparency. Read our methodology for how we interpret this data.
Brand vs generic prescribing mix · Above average
Steven Gronowitz, M.D. - brand share 25.0%
Hepatology Physician average
25% brand-name claims vs 75% generic, on 990 2024 Medicare Part D claims.
The federal Medicare Part D Generic Dispensing Rate national benchmark sits near 90% generic / 10% brand for primary-care prescribers, per CMS Office of the Actuary 2024 estimates. Higher brand share is common in specialty prescribing where generic equivalents are not available.
Medicare Part D Prescribing Data
CMS Medicare Part D prescriber-level data for calendar year 2024.
990
Total Claims
$743K
Total Drug Cost
283
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 2,001.867
- Total Day Supply
- 57,685
- Brand vs Generic
- 25% brand / 75% generic
- Brand Drug Cost
- $705K
- Generic Drug Cost
- $39K
- Antibiotic Claims
- 30
Patient Demographics
- Average Patient Age
- 70.0 years
- Avg HCC Risk Score
- 1.58
- Gender Split
- 64% female / 36% male
- Age Distribution
- <65: 49, 65-74: 138, 75-84: 80, 85+: 16
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2024. Based on Medicare Part D data only.
What Steven Gronowitz, M.D. prescribes most
Top Medicare Part D drugs by claim count, 2024
- Pantoprazole Sodium
Pantoprazole Sodium
286 claims
- Omeprazole 63
Omeprazole
63 claims
- Famotidine 51
Famotidine
51 claims
- Lactulose 37
Lactulose
37 claims
- Ondansetron Odt 35
Ondansetron Odt
35 claims
- Creon 34
Creon
34 claims
- Linzess 25
Linzess
25 claims
- Xifaxan 22
Xifaxan
22 claims
| Drug | Claims |
|---|---|
| Pantoprazole Sodium | 286 |
| Omeprazole | 63 |
| Famotidine | 51 |
| Lactulose | 37 |
| Ondansetron Odt Ondansetron | 35 |
| Creon Lipase/Protease/Amylase | 34 |
| Linzess Linaclotide | 25 |
| Xifaxan Rifaximin | 22 |
| Mesalamine Er Mesalamine | 21 |
| Movantik Naloxegol Oxalate | 20 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Hepatology Physician Overview
How Steven Gronowitz, M.D. fits within the Hepatology Physician landscape nationally.
286
Hepatology Physician Providers in US
38
States with Hepatology Physician
829
Avg Claims per Provider
Steven Gronowitz, M.D.'s 990 claims are above the specialty average of 829.
Nationwide Hepatology Physician peers with similar MIPS or enrollment year
Two federal-record peer sets for Gronowitz, both outside New Jersey so the neighborhoods are not geographic containment.
Similar MIPS final score
Nearest same-specialty clinicians by CMS MIPS final score (100 here).
Same NPPES enumeration year (2006)
Same-specialty clinicians who entered the NPI registry in the same calendar year, outside this state.
Nearby Hepatology Physician Providers in New Jersey
Other clinicians with the same primary specialty enrolled in New Jersey, drawn from the same CMS NPPES roster as Gronowitz.
One of 7 Hepatology Physician providers enrolled in New Jersey, 5 are shown here.
Dr. Maliha Ahmad
MD
Newark, NJ
Dr. Hisham Elgenaidi
MD
Cherry Hill, NJ
Dr. Nyan Latt
MD
Camden, NJ
Dr. Raquel Olivo-Salcedo
MD
Newark, NJ
Dr. Kiran Rao
M.D.
Sparta, NJ
Compare Hepatology Physician nationally: see state-by-state distribution →
Frequently Asked Questions
What is Steven Gronowitz, M.D.'s specialty? ▼
Steven Gronowitz, M.D. specializes in Hepatology Physician and practices in Clifton, New Jersey. Credentials: M.D..
How much does Steven Gronowitz, M.D. prescribe under Medicare Part D? ▼
In 2024, Steven Gronowitz, M.D. wrote 990 Medicare Part D claims totaling $743K in drug costs for 283 beneficiaries.
What is Steven Gronowitz, M.D.'s Medicare quality score? ▼
Steven Gronowitz, M.D. has a CMS MIPS Final Score of 100/100. The average MIPS Final Score across the 454,083 clinicians with at least one published category score is 83.5; clinicians whose score CMS assigned without scoring any category are excluded from that average. Source: CMS Merit-based Incentive Payment System (MIPS) 2023.
Where is Steven Gronowitz, M.D. located? ▼
Steven Gronowitz, M.D. is located at 1011 CLIFTON AVE, Clifton, NJ, 07013. Phone: (973) 471-8200.
What is Steven Gronowitz, M.D.'s NPI number? ▼
Steven Gronowitz, M.D.'s National Provider Identifier (NPI) is 1093772030, issued on 04/26/2006.
Does Steven Gronowitz, M.D. prescribe more brand-name or generic drugs? ▼
Steven Gronowitz, M.D.'s prescribing is 25% brand-name and 75% generic drugs by claim count, with $705K in brand drug costs.
How many Hepatology Physician providers are there in the US? ▼
There are 286 Hepatology Physician providers across 38 states in the US. The average Hepatology Physician provider writes 829 Medicare Part D claims per year.
What drugs does Steven Gronowitz, M.D. prescribe most often? ▼
Based on 2024 Medicare Part D data, Steven Gronowitz, M.D.'s most frequently prescribed drugs include Pantoprazole Sodium, Omeprazole, Famotidine. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Steven Gronowitz, M.D. accept Medicare? ▼
Steven Gronowitz, M.D. appears in CMS Medicare data with 990 Part D claims and 283 Medicare beneficiaries in 2024. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Steven Gronowitz, M.D.'s credentials? ▼
Steven Gronowitz, M.D.'s NPI is 1093772030 with credentials M.D.. You can verify this through the NPPES NPI Registry, check state medical board records, and confirm board certification through the ABMS or AOA.
Data Sources
View source datasets and methodology notes
- Provider Directory
- CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
- Specialty Classification
- NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
- Prescribing Data
- CMS Medicare Part D Prescriber Public Use File (2024). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
- Quality Performance
- CMS Merit-based Incentive Payment System (MIPS) - 2023 performance year.
- Limitations
- Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.
See our complete data methodology for details on how we collect and process government data.
Data as of August 2026 (NPPES) / 2024 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).
Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.