MRS. MICHELLE EILEEN ZACK CRNA, APRN
NPI 1225449028
Nurse Anesthetist, Certified Registered in Norwalk, CT

Q: What is Michelle Zack's NPI number?

The NPI number for Michelle Zack is 1225449028. It was assigned to this individual provider in the NPPES registry on May 14, 2014.

Q: What is Michelle Zack's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Q: When was this NPI record last updated?

The NPPES record for Michelle Zack was last updated on February 6, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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 May 14, 2014Accepts Medicare Assignment

94.24/100

CMS Quality Rating

24 STEVENS ST, NORWALK, CT 06850(203) 852-2276 Get Directions Write a Review

NPPES record last updated: February 6, 2023. Verified against the NPPES registry weekly; last sync: August 23, 2026.

On this page

About Mrs. Michelle Eileen Zack Crna, Aprn NPPES

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

MRS. MICHELLE EILEEN ZACK CRNA, APRN (NPI 1225449028) is an individual nurse anesthetist, certified registered in Norwalk, Connecticut, licensed in Connecticut (93350) and active in the NPI registry since May 2014. She maintains a secondary practice location in Stamford and is a graduate of Other (2014).

NPPES Registry Identity

NPI1225449028

Entity TypeIndividualFemale

Primary Taxonomy367500000X

Provider Legal NameMRS. MICHELLE EILEEN ZACKCredential: CRNA, APRN

Location Address24 STEVENS STNorwalk, CT 06850-3852

Mailing Address27 High Ridge RdShelton, CT 06484-5008 · (203) 521-1966

Phone(203) 852-2276

Sole ProprietorNo

Medical School CMSOtherGraduated 2014

Enumeration DateMay 14, 2014

Last NPPES UpdateFebruary 6, 2023

NPPES CertifiedFebruary 1, 2023

✔ NPI 1225449028 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code367500000X

License✔ Licensed in CT · 93350

Definition

(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.

Also ListedRegistered Nurse · Critical Care MedicineTaxonomy 163WC0200X · License 72128 (CT)

24 STEVENS ST, Norwalk, CT 06850

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Secondary Practice Location 1

Location 1778 Long Ridge RdStamford, CT 06902-1265 · Phone (203) 428-4643

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

Mrs. Michelle Eileen Zack Crna, Aprn 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 ID8921225350

PECOS Enrollment IDI20140808000860

Areas of Expertise CMS Part B claims 4

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.

Anesthesia for other procedure on large bowel using an endoscope 00811

Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.

69 services68 patients

Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731

This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.

36 services36 patients

Anesthesia for procedure on small and large bowel using an endoscope 00813

Anesthesia for an endoscopic procedure on the small and large bowel ensures comfort and relaxation during the procedure. It involves administering medicine to help you sleep or feel drowsy. This allows the doctor to examine your bowels without causing you discomfort or pain.

34 services34 patients

Anesthesia for exam of colon using an endoscope 00812

Anesthesia for a colon examination with an endoscope is a method used to ensure comfort during the procedure. It involves administering medication to help you relax or sleep, thus reducing discomfort as the endoscope, a thin, flexible tube, is navigated through your colon.

19 services19 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06850 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

$138.84 typical visit price

range $60.82 – $183.10

Typical copayment $34.71 (range $15.20 – $45.77)

Most-billed visit code 99204

Established Patient

$75.55 typical visit price

range $19.76 – $149.26

Typical copayment $18.88 (range $4.94 – $37.31)

Most-billed visit code 99213

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.

94.24/100

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

Scored through an Alternative Payment Model

Quality

78.26

Promoting Interoperability

100

Improvement Activities

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. EVE BLOCK MD

Internal Medicine (Hospice and Palliative Medicine)

24 STEVENS ST
NORWALK, CT 06850

Western Connecticut Planning Region (203) 852-2665

RUTH C PERRY CRNA

Nurse Anesthetist, Certified Registered

24 STEVENS ST
NORWALK, CT 06850

Western Connecticut Planning Region (203) 852-2276

DR. RICHARD LAWRENCE MAIBERGER M.D.

Psychiatry & Neurology (Psychiatry)

24 STEVENS ST
NORWALK, CT 06850

Western Connecticut Planning Region (203) 852-2293

RICHARD A HUGHES MD

Anesthesiology

24 STEVENS ST
NORWALK, CT 06850

Western Connecticut Planning Region (203) 852-2276

MRS. ERIKA JAYNE PEARL PA-C

Physician Assistant (Surgical)

24 STEVENS ST, NORWALK HOSPITAL DEPARTMENT OF SURGERY
NORWALK, CT 06850

Western Connecticut Planning Region (203) 852-2464

JAN CRISTOPHER HERNANDEZ DE GUZMAN PHARMD, MSF, RPH

Pharmacist

24 STEVENS ST
NORWALK, CT 06850

Western Connecticut Planning Region (203) 852-2690

PAUL R BEILES MD

Anesthesiology

24 STEVENS ST
NORWALK, CT 06850

Western Connecticut Planning Region (203) 852-2276

MS. IRIS NAGIN RNP

Nurse Practitioner (Adult Health)

24 STEVENS ST, HOSPITALIST SUITE
NORWALK, CT 06850

Western Connecticut Planning Region (203) 852-3072

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 Zack's NPI number?

The NPI number for Michelle Zack is 1225449028. It was assigned to this individual provider in the NPPES registry on May 14, 2014.

Where is Michelle Zack located?

Michelle Zack practices at 24 Stevens St, Norwalk, CT 06850. The listed phone number is (203) 852-2276.

What is Michelle Zack's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Michelle Zack enrolled in Medicare?

Yes. Michelle Zack 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 Zack was last updated on February 6, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.