DR. STEVEN DAVID GRONOWITZ M.D.
NPI 1093772030
Internal Medicine - Gastroenterology in Clifton, NJ

Q: What is Steven Gronowitz's NPI number?

The NPI number for Steven Gronowitz is 1093772030. It was assigned to this individual provider in the NPPES registry on April 26, 2006.

Q: What is Steven Gronowitz's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for Steven Gronowitz was last updated on August 9, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since April 26, 2006PECOS EnrolledAccepts Medicare Assignment

100/100

CMS Quality Rating

1011 CLIFTON AVE, CLIFTON, NJ 07013(973) 471-8200(973) 471-3032 Get Directions Write a Review

NPPES record last updated: August 9, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Aug 9, 2023, Mar 17, 2018, Dec 13, 2017 (3 updates tracked since 2017).

On this page

About Dr. Steven David Gronowitz M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. STEVEN DAVID GRONOWITZ M.D. (NPI 1093772030) is an individual gastroenterology provider in Clifton, New Jersey, licensed in New Jersey (MA62232) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, is affiliated with St Mary's General Hospital, and is a graduate of Other (1990).

NPPES Registry Identity

NPI1093772030

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDR. STEVEN DAVID GRONOWITZCredential: M.D.

Location Address1011 CLIFTON AVEClifton, NJ 07013-3518

Mailing Address1130 Mcbride Ave Fl 3Woodland Park, NJ 07424-3806 · (973) 812-1400 · Fax (973) 812-1404

Phone(973) 471-8200

Fax(973) 471-3032

Sole ProprietorNo

Medical School CMSOtherGraduated 1990

Enumeration DateApril 26, 2006

Last NPPES UpdateAugust 9, 20233 updates tracked since enumeration

NPPES CertifiedAugust 9, 2023

✔ NPI 1093772030 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in NJ · MA62232

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

Also ListedInternal Medicine · HepatologyTaxonomy 207RI0008X · License MA62232 (NJ)

1011 CLIFTON AVE, Clifton, NJ 07013

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Other Identifiers 1

Medicaid7029802NJ

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Steven David Gronowitz M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1153351564

PECOS Enrollment IDI20051006000416

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 13

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, vedolizumab, intravenous, 1 mg J3380

Vedolizumab is a medication given via injection. It's used to treat certain bowel conditions (such as Crohn's disease, ulcerative colitis) by reducing inflammation. It works by blocking a certain protein that causes this inflammation.

19,200 services12 patients

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 99439

Chronic Care Management services involve regular check-ins with healthcare professionals to manage two or more chronic conditions. It includes an additional 20 minutes of clinical staff time per month, directed by a healthcare professional, to ensure optimal health management.

328 services32 patients

Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 99490

Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.

195 services32 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

132 services111 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

122 services86 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

92 services91 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

83 services83 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

60 services60 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

53 services53 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

42 services39 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

37 services37 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

21 services21 patients

Diagnostic exam of large bowel using a flexible endoscope 45378

This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.

13 services13 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

St Mary's General Hospital

Acute Care Hospitals · Passaic, NJ

3/5 CMS rating

OwnershipProprietary

CMS Certification Number310006

Location350 BoulevardPassaic, NJ 07055 · Passaic County

Emergency services Birthing friendly

Clara Maass Medical Center

Acute Care Hospitals · Belleville, NJ

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310009

LocationOne Clara Maass DriveBelleville, NJ 07109 · Essex County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07013 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$144.86 typical visit price

range $63.84 – $190.92

Typical copayment $36.21 (range $15.96 – $47.73)

Most-billed visit code 99204

Established Patient

$111.57 typical visit price

range $20.97 – $155.92

Typical copayment $27.89 (range $5.24 – $38.98)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Promoting Interoperability

100

Improvement Activities

Reported Quality Measures

e-Prescribing

99%334 patients4/55-star benchmark: 100%

Provide Patients Electronic Access to Their Health Information

99%469 patients4/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Enteral feeding supply kit; pump fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape B4035

Other-Enteral and Parenteral · category OB006N

2 suppliers12 claims360 services$4.24 avg. paid by Medicare

Enteral formula, nutritionally complete, calorically dense (equal to or greater than 1.5 kcal/ml) with intact nutrients, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4152

Other-Enteral and Parenteral · category OB006N

2 suppliers12 claims5,760 services$0.26 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

EICKHOFF CHIROPRACTIC AND NUTRITION

Chiropractor

1011 CLIFTON AVE
CLIFTON, NJ 07013

Passaic County (973) 470-0687

HELEN M KIM D.P.T.

Physical Therapist

1011 CLIFTON AVE
CLIFTON, NJ 07013

Passaic County (973) 778-1134

MAROULES HEMATOLOGY - ONCOLOGY LLC

Internal Medicine (Hematology & Oncology)

1011 CLIFTON AVE, 1ST FLOOR
CLIFTON, NJ 07013

Passaic County (862) 591-2002

DR. PEARL KORENBLIT M.D.

Internal Medicine

1011 CLIFTON AVE, FIRST FLOOR
CLIFTON, NJ 07013

Passaic County (973) 928-5490

LOUISE ASHLEY ALBORNOZ MD

Internal Medicine

1011 CLIFTON AVE
CLIFTON, NJ 07013

Passaic County (973) 778-6611

DR. WILLIAM THOMAS EICKHOFF D.C.

Chiropractor

1011 CLIFTON AVE
CLIFTON, NJ 07013

Passaic County (973) 470-0687

MICHAEL MAROULES MD

Internal Medicine (Hematology & Oncology)

1011 CLIFTON AVE
CLIFTON, NJ 07013

Passaic County (862) 591-2002

ARLENE C GROSSE P.T.

Physical Therapist

1011 CLIFTON AVE, SUITE 5 2ND FLOOR
CLIFTON, NJ 07013

Passaic County (973) 778-1134

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Steven Gronowitz's NPI number?

The NPI number for Steven Gronowitz is 1093772030. It was assigned to this individual provider in the NPPES registry on April 26, 2006.

Where is Steven Gronowitz located?

Steven Gronowitz practices at 1011 Clifton Ave, Clifton, NJ 07013. The listed phone number is (973) 471-8200.

What is Steven Gronowitz's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Steven Gronowitz enrolled in Medicare?

Yes. Steven Gronowitz is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Steven Gronowitz accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Steven Gronowitz as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Steven Gronowitz affiliated with any hospitals?

According to CMS data, Steven Gronowitz is affiliated with St Mary's General Hospital and Clara Maass Medical Center.

When was this NPI record last updated?

The NPPES record for Steven Gronowitz was last updated on August 9, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.