STEVEN J ZIMMERMAN M.D.
NPI 1356371975
Emergency Medicine in West Islip, NY

Q: What is Steven Zimmerman's NPI number?

The NPI number for Steven Zimmerman is 1356371975. It was assigned to this individual provider in the NPPES registry on July 3, 2006.

Q: What is Steven Zimmerman's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Q: When was this NPI record last updated?

The NPPES record for Steven Zimmerman was last updated on September 19, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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 July 03, 2006PECOS EnrolledAccepts Medicare Assignment

76.52/100

CMS Quality Rating

1000 MONTAUK HIGHWAY, WEST ISLIP, NY 11795(631) 376-4094 Get Directions Write a Review

NPPES record last updated: September 19, 2011. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Steven J Zimmerman M.d. NPPES

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

STEVEN J ZIMMERMAN M.D. (NPI 1356371975) is an individual emergency medicine provider in West Islip, New York, licensed in New York (210527) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1996).

NPPES Registry Identity

NPI1356371975

Entity TypeIndividualMale

Primary Taxonomy207P00000X

Provider Legal NameSTEVEN J ZIMMERMANCredential: M.D.

Location Address1000 MONTAUK HIGHWAYWest Islip, NY 11795-2145

Mailing Address39 Fielding AveDix Hills, NY 11746-6729 · (631) 274-5834

Phone(631) 376-4094

Sole ProprietorNo

Medical School CMSOtherGraduated 1996

Enumeration DateJuly 3, 2006

Last NPPES UpdateSeptember 19, 2011

✔ NPI 1356371975 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

License✔ Licensed in NY · 210527

Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

1000 MONTAUK HIGHWAY, West Islip, NY 11795

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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

Steven J Zimmerman 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 ID8729041009

PECOS Enrollment IDI20041108000750

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 Reassignments

Medicare enrollment records show Steven Zimmerman reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

City Medical Of Upper East Side, PLLC

4.0 mi

Urgent Care

1757 SUNRISE HWY STE A
Bay Shore, NY 11706

Reassigned Medicare billing, New York enrollment
596 clinicians in this Medicare group

NPI 1285182873 (516) 453-0172

North Shore - Lij Medical PC

22 mi

Internal Medicine

270-05 76TH AVE
New Hyde Park, NY 11040

Reassigned Medicare billing, New York enrollment
9,353 clinicians in this Medicare group

NPI 1790043479 (516) 465-8089

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 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.

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.

372 services356 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.

170 services165 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.

74 services74 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.

62 services61 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.

60 services57 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.

37 services37 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

24 services24 patients

X-ray of chest, 2 views 71046

A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.

16 services16 patients

X-ray of foot, minimum of 3 views 73630

An X-ray of the foot, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones and tissues in your foot. This helps to identify fractures, infections, or other abnormalities. Multiple views ensure a comprehensive examination.

15 services15 patients

Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus 87426

An immunoassay test for severe acute respiratory syndrome coronavirus is a diagnostic tool. It uses your body's immune response to detect the presence of the virus. It involves taking a sample, usually from your nose or throat, which is then analyzed in a lab for signs of the virus.

13 services13 patients

Administration of vaccine 90471

Administering a vaccine involves injecting a small, safe piece of a virus or bacteria into your body. This triggers your immune system to recognize and fight off the disease in the future. It's a vital tool in preventing serious illnesses and maintaining public health.

12 services12 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

12 services12 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.

11 services11 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

$105.06 typical visit price

range $67.40 – $203.53

Typical copayment $26.26 (range $16.85 – $50.88)

Most-billed visit code 99203

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

Quality

64.02

Promoting Interoperability

100

Improvement Activities

Cost

57.73

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.

MRS. KRISTY SELVAGGI RPAC

Physician Assistant

1000 MONTAUK HIGHWAY, GOOD SAMARITAN HOSPITAL
WEST ISLIP, NY 11795

Suffolk County (631) 376-4444

GOOD SAMARITAN HOSPITAL

Clinic/Center (Rehabilitation, Comprehensive Outpatient Rehabilitation Facility (CORF))

1000 MONTAUK HIGHWAY
WEST ISLIP, NY 11795

Suffolk County (631) 376-3069

WILLIAM M KAINZBAUER MD

Radiology (Diagnostic Radiology)

1000 MONTAUK HIGHWAY
WEST ISLIP, NY 11795

Suffolk County (952) 595-1100

MR. MATTHEW RODERICK MCKENNEY M.D.

Student in an Organized Health Care Education/Training Program

1000 MONTAUK HIGHWAY
WEST ISLIP, NY 11795

Suffolk County (631) 376-4163

OLIVIA ROSA JOHN

Student in an Organized Health Care Education/Training Program

1000 MONTAUK HIGHWAY
WEST ISLIP, NY 11795

Suffolk County (631) 376-4163

OLUWAPAMILERIN OLAYEMI M.D.

Student in an Organized Health Care Education/Training Program

1000 MONTAUK HIGHWAY
WEST ISLIP, NY 11795

Suffolk County (631) 376-4163

DR. CHRISTOPHER MICHAEL BRENNAN M.D.

Internal Medicine

1000 MONTAUK HIGHWAY, HOSPITALIST DEPARTMENT 3RD FLOOR
WEST ISLIP, NY 11795

Suffolk County (631) 376-3610

DR. HEATHER GROOMS DO

Pediatrics

1000 MONTAUK HIGHWAY
WEST ISLIP, NY 11795

Suffolk County (631) 376-4444

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 Zimmerman's NPI number?

The NPI number for Steven Zimmerman is 1356371975. It was assigned to this individual provider in the NPPES registry on July 3, 2006.

Where is Steven Zimmerman located?

Steven Zimmerman practices at 1000 Montauk Highway, West Islip, NY 11795. The listed phone number is (631) 376-4094.

What is Steven Zimmerman's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Steven Zimmerman enrolled in Medicare?

Yes. Steven Zimmerman 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 organizations bill Medicare for Steven Zimmerman's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Steven Zimmerman reassigns Medicare benefits to 2 organizations: City Medical Of Upper East Side, PLLC (Bay Shore, NY) and North Shore - Lij Medical PC (New Hyde Park, NY). Each 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 Steven Zimmerman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Steven Zimmerman was last updated on September 19, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.