DR. NANCY J RENNERT MD
NPI 1528089950
Internal Medicine in Norwalk, CT

Active since July 21, 2006PECOS EnrolledAccepts Medicare Assignment
94.24/100
CMS Quality Rating
24 STEVENS ST, NORWALK, CT 06850(203) 852-2375(203) 852-2057 Get Directions Write a Review

NPPES record last updated: October 1, 2008. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Nancy J Rennert Md NPPES

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

DR. NANCY J RENNERT MD (NPI 1528089950) is an individual internal medicine provider in Norwalk, Connecticut, licensed in Connecticut (031031) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Pittsburgh School Of Medicine (1987).

NPPES Registry Identity

NPI1528089950
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. NANCY J RENNERTCredential: MD
Location Address24 STEVENS STNorwalk, CT 06850-3852
Mailing Address24 Stevens StNorwalk, CT 06850-3852 · (203) 852-2375 · Fax (203) 852-2057
Fax(203) 852-2057
Sole ProprietorNo
Medical School CMSUniversity Of Pittsburgh School Of MedicineGraduated 1987
Enumeration DateJuly 21, 2006
Last NPPES UpdateOctober 1, 2008
NPI 1528089950 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in CT · 031031
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.
Also ListedInternal Medicine · Endocrinology, Diabetes & MetabolismTaxonomy 207RE0101X · License 031031 (CT)
Also ListedHospitalistTaxonomy 208M00000X · License 031031 (CT)
24 STEVENS ST, Norwalk, CT 06850

Other Identifiers 8

Other310310CT · Connecticare
Other1355889CO · Aetna
Other1528089950CT · Uhc
Medicare UPINE48261
Other010031031CT05CT · Anthem
Other0761824CT · Cigna
Medicaid004192051CT
Other2V7420CT · Healthnet

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. Nancy J Rennert 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 ID8123024221
PECOS Enrollment IDI20061012000555
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.

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
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
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.

94.24/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality78.26
Promoting Interoperability100
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
1 supplier34 claims34 services$205.33 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Internal Medicine (Hospice and Palliative Medicine)
24 STEVENS ST
NORWALK, CT 06850
Nurse Anesthetist, Certified Registered
24 STEVENS ST
NORWALK, CT 06850
Psychiatry & Neurology (Psychiatry)
24 STEVENS ST
NORWALK, CT 06850
Anesthesiology
24 STEVENS ST
NORWALK, CT 06850
Physician Assistant (Surgical)
24 STEVENS ST, NORWALK HOSPITAL DEPARTMENT OF SURGERY
NORWALK, CT 06850
Pharmacist
24 STEVENS ST
NORWALK, CT 06850
Anesthesiology
24 STEVENS ST
NORWALK, CT 06850
Nurse Practitioner (Adult Health)
24 STEVENS ST, HOSPITALIST SUITE
NORWALK, CT 06850

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 Nancy Rennert's NPI number?

The NPI number for Nancy Rennert is 1528089950. It was assigned to this individual provider in the NPPES registry on July 21, 2006.

Where is Nancy Rennert located?

Nancy Rennert practices at 24 Stevens St, Norwalk, CT 06850. The listed phone number is (203) 852-2375.

What is Nancy Rennert's specialty?

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

Is Nancy Rennert enrolled in Medicare?

Yes. Nancy Rennert 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 Nancy Rennert was last updated on October 1, 2008. 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.