DR. MICHELLE SIEGEL MARRINAN MD
NPI 1598761629
Otolaryngology - Otology & Neurotology in Greenwich, CT

Q: What is Michelle Marrinan's NPI number?

The NPI number for Michelle Marrinan is 1598761629. It was assigned to this individual provider in the NPPES registry on June 23, 2005. The provider is also known as Michelle Siegel MD.

Q: What is Michelle Marrinan's specialty?

The primary specialty registered for this NPI is Otolaryngology, specializing in Otology & Neurotology, with taxonomy code 207YX0901X.

Q: When was this NPI record last updated?

The NPPES record for Michelle Marrinan was last updated on September 11, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since June 23, 2005PECOS EnrolledAccepts Medicare Assignment

49 LAKE AVE, GREENWICH, CT 06830(203) 869-2030(203) 869-9262 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: July 19, 2026.

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About Dr. Michelle Siegel Marrinan Md NPPES

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

DR. MICHELLE SIEGEL MARRINAN MD (NPI 1598761629) is an individual otology & neurotology provider in Greenwich, Connecticut, licensed in Connecticut (042226) and active in the NPI registry since June 2005. She is enrolled in Medicare PECOS and is a graduate of Albert Einstein College Of Medicine Of Yeshiva University (1997).

NPPES Registry Identity

NPI1598761629

Entity TypeIndividualFemale

Primary Taxonomy207YX0901X

Provider Legal NameDR. MICHELLE SIEGEL MARRINANCredential: MD

Location Address49 LAKE AVEGreenwich, CT 06830-4501

Mailing Address49 Lake AveGreenwich, CT 06830-4501 · (203) 869-2030 · Fax (203) 869-9262

Phone(203) 869-2030

Fax(203) 869-9262

Sole ProprietorNo

Medical School CMSAlbert Einstein College Of Medicine Of Yeshiva UniversityGraduated 1997

Enumeration DateJune 23, 2005

Last NPPES UpdateSeptember 11, 2025

✔ NPI 1598761629 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOtolaryngology · Otology & NeurotologyAllopathic & Osteopathic Physicians

Taxonomy Code207YX0901X

License✔ Licensed in CT · 042226

Definition

An otolaryngologist who treats diseases of the ear and temporal bone, including disorders of hearing and balance. The additional training in otology and neurotology emphasizes the study of embryology, anatomy, physiology, epidemiology, pathophysiology, pathology, genetics, immunology, microbiology and the etiology of diseases of the ear and temporal bone.

Also ListedOtolaryngologyTaxonomy 207Y00000X · License 042226 (CT)

49 LAKE AVE, Greenwich, CT 06830

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Other Names 1

Former Name (1)Michelle Siegel Md

Other Identifiers 1

Medicaid001422261CT

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. Michelle Siegel Marrinan 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 ID1456311752

PECOS Enrollment IDI20041012000701

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 7

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, 30-39 minutes 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.

228 services134 patients

Removal of impacted ear wax 69210

Impacted ear wax removal is a safe procedure to clear blockages in the ear canal caused by hardened ear wax. A healthcare professional uses specialized tools or a gentle irrigation method to loosen and remove the wax, improving hearing and alleviating discomfort.

190 services138 patients

Established patient office or other outpatient visit, 20-29 minutes 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.

176 services118 patients

New patient office or other outpatient visit, 30-44 minutes 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.

76 services76 patients

New patient office or other outpatient visit, 45-59 minutes 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.

19 services19 patients

Diagnostic exam of nasal passages using an endoscope 31231

A diagnostic exam of nasal passages using an endoscope is a non-invasive procedure. A small, flexible tube with a light and camera at the end, called an endoscope, is inserted into the nose. This allows the doctor to view the nasal passages and sinuses, helping to identify any issues.

14 services12 patients

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.

Reported Quality Measures

Care Plan

Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…

100%300 patients5/55-star benchmark: 100%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…

100%306 patients5/55-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.

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. STEPHEN JEFFREY SALZER M.D.

Otolaryngology

49 LAKE AVE
GREENWICH, CT 06830

Western Connecticut Planning Region (203) 869-2030

DR. NICHOLAS STROUMBAKIS M.D.

Urology

49 LAKE AVE, # 21
GREENWICH, CT 06830

Western Connecticut Planning Region (203) 869-1285

DR. JAMES STEPHEN BORGES MD

Specialist

49 LAKE AVE
GREENWICH, CT 06830

Western Connecticut Planning Region (203) 661-2934

DR. EREZ SALIK MD

Radiology (Diagnostic Radiology)

49 LAKE AVE
GREENWICH, CT 06830

Western Connecticut Planning Region (203) 861-2381

LINDA LATRENTA M.D.

Radiology (Diagnostic Radiology)

49 LAKE AVE
GREENWICH, CT 06830

Western Connecticut Planning Region (203) 861-2381

GREENWICH RADIOLOGICAL GROUP, PC

Radiology (Diagnostic Radiology)

49 LAKE AVE
GREENWICH, CT 06830

Western Connecticut Planning Region (203) 861-2381

DR. DAVID JOSHUA MULLEN M.D.

Radiology (Diagnostic Radiology)

49 LAKE AVE
GREENWICH, CT 06830

Western Connecticut Planning Region (203) 861-2381

DR. DAVID D EVANS M.D.

Radiology (Diagnostic Radiology)

49 LAKE AVE
GREENWICH, CT 06830

Western Connecticut Planning Region (203) 861-2381

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 Michelle Marrinan's NPI number?

The NPI number for Michelle Marrinan is 1598761629. It was assigned to this individual provider in the NPPES registry on June 23, 2005. The provider is also known as Michelle Siegel MD.

Where is Michelle Marrinan located?

Michelle Marrinan practices at 49 Lake Ave, Greenwich, CT 06830. The listed phone number is (203) 869-2030.

What is Michelle Marrinan's specialty?

The primary specialty registered for this NPI is Otolaryngology, specializing in Otology & Neurotology, with taxonomy code 207YX0901X.

Is Michelle Marrinan enrolled in Medicare?

Yes. Michelle Marrinan 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 Michelle Marrinan was last updated on September 11, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.