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MICHAEL GEWIRTZ MD
NPI 1093739534
Internal Medicine in West Islip, NY

Active since July 27, 2006PECOS EnrolledAccepts Medicare Assignment
76.52/100
CMS Quality Rating
1000 MONTAUK HWY, WEST ISLIP, NY 11795(631) 376-3000 Get Directions Write a Review

NPPES record last updated: February 13, 2009. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Michael Gewirtz Md NPPES

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

MICHAEL GEWIRTZ MD (NPI 1093739534) is an individual internal medicine provider in West Islip, New York, licensed in New York (173953) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1982).

NPPES Registry Identity

NPI1093739534
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMICHAEL GEWIRTZCredential: MD
Location Address1000 MONTAUK HWYWest Islip, NY 11795-4927
Mailing AddressPo Box 6010Hauppauge, NY 11788-9010 · (631) 232-4000 · Fax (631) 851-9225
Phone(631) 376-3000
Sole ProprietorNo
Medical School CMSOtherGraduated 1982
Enumeration DateJuly 27, 2006
Last NPPES UpdateFebruary 13, 2009
✔ NPI 1093739534 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in NY · 173953
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1000 MONTAUK HWY, West Islip, NY 11795
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Other Identifiers 1

Medicare PIN363081NY

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

Michael Gewirtz Md 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 ID8426159542
PECOS Enrollment IDI20070719000454
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 8

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.

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.
337 services316 patients
Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza 87428
This test uses a method called immunoassay to identify severe acute respiratory syndrome coronavirus and influenza. It works by detecting specific proteins (antigens) in a sample, like a nasal swab. It's a powerful tool in diagnosing these viral infections.
120 services113 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.
59 services59 patients
Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
54 services52 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.
54 services51 patients
Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 87880
A detection test by immunoassay for Group A Strep is a quick procedure to identify a bacterial infection in your throat. It involves taking a throat swab and applying it to a test strip, which changes color if Strep bacteria are present.
27 services27 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11795 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
$154.28 typical visit price
range $67.40 – $203.53
Typical copayment $38.57 (range $16.85 – $50.88)
Most-billed visit code 99204
Established Patient
$117.62 typical visit price
range $21.66 – $164.45
Typical copayment $29.40 (range $5.41 – $41.11)
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.

76.52/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality64.02
Promoting Interoperability100
Improvement Activities40
Cost57.73

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.

DR. ANTHONY NGUYEN MD
Obstetrics & Gynecology
1000 MONTAUK HWY
WEST ISLIP, NY 11795
Suffolk County (631) 376-4163
LAUREN MARIE CHOBAN DO
Emergency Medicine
1000 MONTAUK HWY
WEST ISLIP, NY 11795
Suffolk County (631) 376-3000
MISS MUNMUN AZIZ MD
Student in an Organized Health Care Education/Training Program
1000 MONTAUK HWY
WEST ISLIP, NY 11795
Suffolk County (929) 340-5665
TERENCE JAMES OMALLEY MD
Anesthesiology
1000 MONTAUK HWY, GOOD SAMARITAN HOSPITAL MEDICAL CENTER
WEST ISLIP, NY 11795
Suffolk County (631) 376-4088
PIOTR PAPUZINSKI MD
Internal Medicine
1000 MONTAUK HWY
WEST ISLIP, NY 11795
Suffolk County (631) 376-3000
LAURIE WATERS PA
Physician Assistant
1000 MONTAUK HWY
WEST ISLIP, NY 11795
Suffolk County (631) 376-3000
SHELLEY MATSON RN
Registered Nurse
1000 MONTAUK HWY
WEST ISLIP, NY 11795
Suffolk County (631) 376-3000
RIDDA MANZOOR MD
Student in an Organized Health Care Education/Training Program
1000 MONTAUK HWY
WEST ISLIP, NY 11795
Suffolk County (631) 376-4163

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 Gewirtz's NPI number?

The NPI number for Michael Gewirtz is 1093739534. It was assigned to this individual provider in the NPPES registry on July 27, 2006.

Where is Michael Gewirtz located?

Michael Gewirtz practices at 1000 Montauk Hwy, West Islip, NY 11795. The listed phone number is (631) 376-3000.

What is Michael Gewirtz's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Michael Gewirtz enrolled in Medicare?

Yes. Michael Gewirtz 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.

When was this NPI record last updated?

The NPPES record for Michael Gewirtz was last updated on February 13, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.