DR. MICHAEL M MAINERO M.D.
NPI 1720090079
Internal Medicine - Gastroenterology in West Paterson, NJ

Q: What is Michael Mainero's NPI number?

The NPI number for Michael Mainero is 1720090079. It was assigned to this individual provider in the NPPES registry on August 13, 2006.

Q: What is Michael Mainero'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 Michael Mainero was last updated on December 15, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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 August 13, 2006PECOS EnrolledAccepts Medicare Assignment

100/100

CMS Quality Rating

205 BROWERTOWN RD, SUITE 202, WEST PATERSON, NJ 07424(973) 785-0102(973) 785-2205 Get Directions Write a Review

NPPES record last updated: December 15, 2014. Verified against the NPPES registry weekly; last sync: November 01, 2026.

On this page

About Dr. Michael M Mainero M.d. NPPES

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

DR. MICHAEL M MAINERO M.D. (NPI 1720090079) is an individual gastroenterology provider in West Paterson, New Jersey, licensed in New Jersey (NJ55027) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with St Joseph's University Medical Center Inc, and is a graduate of Other (1985).

NPPES Registry Identity

NPI1720090079

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDR. MICHAEL M MAINEROCredential: M.D.

Location Address205 BROWERTOWN RD, SUITE 202West Paterson, NJ 07424-2671

Mailing Address205 Browertown Rd, Suite 202West Paterson, NJ 07424-2671 · (973) 785-0102 · Fax (973) 785-2205

Phone(973) 785-0102

Fax(973) 785-2205

Sole ProprietorNo

Medical School CMSOtherGraduated 1985

Enumeration DateAugust 13, 2006

Last NPPES UpdateDecember 15, 2014

✔ NPI 1720090079 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in NJ · NJ55027

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.

205 BROWERTOWN RD, West Paterson, NJ 07424

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Other Identifiers 2

Medicaid5510708NJ

Medicare ID-Type Unspecified467633NJ

Accepted Insurance

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

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Michael M Mainero 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 ID2961570734

PECOS Enrollment IDI20081007000092

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.

Medicare Billing Reassignment

Medicare enrollment records show Michael Mainero reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Gastroenterology Associates Of New Jersey, LLC

0.5 mi

Gastroenterology

1130 MCBRIDE AVE
Woodland Park, NJ 07424

Reassigned Medicare billing, New Jersey enrollment
117 clinicians in this Medicare group

NPI 1497932271 (973) 812-1400

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 17

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.

20,100 services16 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.

657 services59 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.

434 services308 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.

378 services60 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.

164 services162 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.

161 services129 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.

118 services118 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.

90 services88 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.

83 services81 patients

Infusion, normal saline solution, 250 cc J7050

An infusion of normal saline solution, 250 cc, involves administering a sterile saltwater solution into your body through a vein, usually in your arm. This helps to replenish fluids, maintain hydration, and balance electrolytes in your body.

72 services27 patients

Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 96365

This is a procedure where a medical professional inserts a small tube into your vein to deliver medication, nutrients, or fluids directly into your bloodstream. This can be for treatment, prevention, or diagnosis. The process typically takes less than an hour.

63 services23 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.

33 services33 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

22 services18 patients

Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121

Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.

19 services18 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.

18 services18 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.

13 services13 patients

Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

11 services11 patients

Hospital Affiliations CMS Care Compare

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

St Joseph's University Medical Center Inc

Acute Care Hospitals · Paterson, NJ

2/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number310019

Location703 Main StPaterson, NJ 07503 · Passaic County

Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07424 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%1,281 patients4/55-star benchmark: 100%

Provide Patients Electronic Access to Their Health Information

97%700 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 3

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

3 suppliers11 claims27 services$6.59 avg. paid by Medicare

Enteral feeding supply kit; syringe fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape B4034

Other-Enteral and Parenteral · category OB006N

1 supplier12 claims360 services$2.40 avg. paid by Medicare

Enteral formula, nutritionally complete with intact nutrients, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4150

Other-Enteral and Parenteral · category OB006N

1 supplier12 claims3,600 services$0.31 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 8

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

PULMONARY AND CRITICAL ASSOCIATES OF NORTHERN NEW JERSEY

Internal Medicine (Pulmonary Disease)

205 BROWERTOWN RD, SUITE 202
WEST PATERSON, NJ 07424

Passaic County (973) 785-7515

MICHAEL M. MAINERO, M.D.,P.A.

Internal Medicine (Gastroenterology)

205 BROWERTOWN RD, SUITE 202
WEST PATERSON, NJ 07424

Passaic County (973) 785-0102

HENRY BUDD

Urology

205 BROWERTOWN RD
WEST PATERSON, NJ 07424

Passaic County (973) 890-9168

DR. JEFFREY RUGGIERO DMD

Dentist (General Practice)

205 BROWERTOWN RD, SUITE 004
WOODLAND PARK, NJ 07424

Passaic County (973) 256-0275

ROBERTO A SOLIS M.D.

Internal Medicine (Pulmonary Disease)

205 BROWERTOWN RD, SUITE 202
WEST PATERSON, NJ 07424

Passaic County (973) 785-7515

WOMENS OB GYN PC

Obstetrics & Gynecology

205 BROWERTOWN RD, STE 105-106
WEST PATERSON, NJ 07424

Passaic County (201) 342-1191

NEW JERSEY TRAVEL CLINIC, LLC

Internal Medicine (Infectious Disease)

205 BROWERTOWN RD, SUITE #202
WOODLAND PARK, NJ 07424

Passaic County (201) 345-4550

BASILISA PACHECO ANP-BC

Nurse Practitioner (Adult Health)

205 BROWERTOWN RD, SUITE 202
WOODLAND PARK, NJ 07424

Passaic County (973) 785-7515

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 Michael Mainero's NPI number?

The NPI number for Michael Mainero is 1720090079. It was assigned to this individual provider in the NPPES registry on August 13, 2006.

Where is Michael Mainero located?

Michael Mainero practices at 205 Browertown Rd Suite 202, West Paterson, NJ 07424. The listed phone number is (973) 785-0102.

What is Michael Mainero's specialty?

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

Is Michael Mainero enrolled in Medicare?

Yes. Michael Mainero 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.

Which organization bills Medicare for Michael Mainero's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Mainero reassigns Medicare benefits to Gastroenterology Associates Of New Jersey, LLC (Woodland Park, NJ). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Michael Mainero's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Michael Mainero accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Michael Mainero 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 Michael Mainero affiliated with any hospitals?

According to CMS data, Michael Mainero is affiliated with St Joseph's University Medical Center Inc.

When was this NPI record last updated?

The NPPES record for Michael Mainero was last updated on December 15, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.