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IRENE NASADUKE M.D.
NPI 1114055217
Ophthalmology in Stamford, CT

Active since March 01, 2007PECOS EnrolledAccepts Medicare AssignmentCLIA 07D0941015 · Waiver
1150 SUMMER STREET, STAMFORD, CT 06905(203) 357-0770 Get Directions Write a Review

NPPES record last updated: October 5, 2010. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Irene Nasaduke M.d. NPPES

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

IRENE NASADUKE M.D. (NPI 1114055217) is an individual ophthalmology provider in Stamford, Connecticut, licensed in Connecticut (028817) and active in the NPI registry since March 2007. She is enrolled in Medicare PECOS, holds a CLIA Waiver certificate valid through November 2, 2026, and is a graduate of Albert Einstein College Of Medicine Of Yeshiva University (1970).

NPPES Registry Identity

NPI1114055217
Entity TypeIndividualFemale
Primary Taxonomy207W00000X
Provider Legal NameIRENE NASADUKECredential: M.D.
Location Address1150 SUMMER STREETStamford, CT 06905-5530
Mailing Address1150 Summer StreetStamford, CT 06905-5530 · (203) 357-0770
Phone(203) 357-0770
Sole ProprietorYes
Medical School CMSAlbert Einstein College Of Medicine Of Yeshiva UniversityGraduated 1970
Enumeration DateMarch 1, 2007
Last NPPES UpdateOctober 5, 2010
✔ NPI 1114055217 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License✔ Licensed in CT · 028817
Definition
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
Also ListedGeneral PracticeTaxonomy 208D00000X · License 028817 (CT)
1150 SUMMER STREET, Stamford, CT 06905
Open in Google Maps ↗

Other Identifiers 4

Medicaid001288176CT
Other0100Z8817C701Anthem
Medicare PIN180000386CT
Medicare UPINA60629

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

Irene Nasaduke 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 ID5991856353
PECOS Enrollment IDI20090624000391
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.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 07D0941015

Irene Nasaduke MD · Stamford, CT
Active · expires Nov 2, 2026
CLIA Number07D0941015
Laboratory TypePhysician Office
Certificate Effective DateNovember 3, 2024
Certificate Expiration DateNovember 2, 2026
Laboratory DirectorIrene Nasaduke
Laboratory Phone(203) 357-0770
Laboratory LocationIrene Nasaduke MD1150 Summer St, Stamford, CT 06905
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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.

Telephone medical discussion with physician, 11-20 minutes 99442
This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.
275 services41 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
107 services31 patients
Telephone medical discussion with physician, 21-30 minutes 99443
This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.
91 services29 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.
86 services34 patients
Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or G2212
This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.
65 services21 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
58 services23 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06905 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.

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 Irene Nasaduke's NPI number?

The NPI number for Irene Nasaduke is 1114055217. It was assigned to this individual provider in the NPPES registry on March 1, 2007.

Where is Irene Nasaduke located?

Irene Nasaduke practices at 1150 Summer Street, Stamford, CT 06905. The listed phone number is (203) 357-0770.

What is Irene Nasaduke's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is Irene Nasaduke enrolled in Medicare?

Yes. Irene Nasaduke 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.

Does Irene Nasaduke hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 07D0941015) is associated with this NPI, valid through November 2, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Irene Nasaduke was last updated on October 5, 2010. 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.