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THERESA DARNOW APRN
NPI 1104961119
Nurse Practitioner - Family in Greenwich, CT

Active since February 20, 2007PECOS Enrolled
5 PERRYRIDGE RD, GREENWICH, CT 06830(203) 863-3724(203) 863-4520 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Theresa Darnow Aprn NPPES

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

THERESA DARNOW APRN (NPI 1104961119) is an individual family provider in Greenwich, Connecticut, licensed in Connecticut (001856) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1104961119
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameTHERESA DARNOWCredential: APRN
Location Address5 PERRYRIDGE RDGreenwich, CT 06830-4608
Mailing Address5 Perryridge RdGreenwich, CT 06830-4608 · (203) 863-3724 · Fax (203) 863-4520
Phone(203) 863-3724
Fax(203) 863-4520
Sole ProprietorNo
Enumeration DateFebruary 20, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1104961119 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in CT · 001856
5 PERRYRIDGE RD, Greenwich, CT 06830
Open in Google Maps ↗

Other Identifiers 1

Other001856CT · Aprn Licence

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Theresa Darnow Aprn is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 06830 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
$93.86 typical visit price
range $60.82 – $183.10
Typical copayment $23.46 (range $15.20 – $45.77)
Most-billed visit code 99203
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.

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.

ZARA NADIA ILAHI MD
Pediatrics (Neonatal-Perinatal Medicine)
5 PERRYRIDGE RD
GREENWICH, CT 06830
Western Connecticut Planning Region (203) 863-3000
SARAH STAMPER M.D.
Student in an Organized Health Care Education/Training Program
5 PERRYRIDGE RD, MEDICAL EDUCATION
GREENWICH, CT 06830
Western Connecticut Planning Region (203) 863-3409
JUNE EVELYN JEON MD
Student in an Organized Health Care Education/Training Program
5 PERRYRIDGE RD
GREENWICH, CT 06830
Western Connecticut Planning Region (203) 863-3000
ARIANA DOMINICUS PA-C
Physician Assistant
5 PERRYRIDGE RD
GREENWICH, CT 06830
Western Connecticut Planning Region (203) 863-3000
ERIC LI-MING HUANG BSC, PHARMD
Pharmacist (Pharmacotherapy)
5 PERRYRIDGE RD
GREENWICH, CT 06830
Western Connecticut Planning Region (203) 863-3199
ROSEMARY PERLEY-KWAUK CRNA
Nurse Anesthetist, Certified Registered
5 PERRYRIDGE RD
GREENWICH, CT 06830
Western Connecticut Planning Region (203) 661-5330
DR. FRANCISCO J BREA MD
Anesthesiology
5 PERRYRIDGE RD
GREENWICH, CT 06830
Western Connecticut Planning Region (203) 661-5330
ANNE YAN TING CHUA MBBS
Student in an Organized Health Care Education/Training Program
5 PERRYRIDGE RD
GREENWICH, CT 06830
Western Connecticut Planning Region (203) 863-3409

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 Theresa Darnow's NPI number?

The NPI number for Theresa Darnow is 1104961119. It was assigned to this individual provider in the NPPES registry on February 20, 2007.

Where is Theresa Darnow located?

Theresa Darnow practices at 5 Perryridge Rd, Greenwich, CT 06830. The listed phone number is (203) 863-3724.

What is Theresa Darnow's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Theresa Darnow enrolled in Medicare?

Yes. Theresa Darnow is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Theresa Darnow was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.