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DR. SARAH KAHN MD
NPI 1043385743
Internal Medicine - Gastroenterology in Wilton, CT

Active since November 21, 2006PECOS EnrolledAccepts Medicare Assignment
79.07/100
CMS Quality Rating
195 DANBURY RD, WILTON, CT 06897(203) 276-8490(203) 276-8491 Get Directions Write a Review

NPPES record last updated: August 9, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 9, 2021, Aug 5, 2021 (2 updates tracked since 2021).

About Dr. Sarah Kahn Md NPPES

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

DR. SARAH KAHN MD (NPI 1043385743) is an individual gastroenterology provider in Wilton, Connecticut, licensed in Connecticut (031478) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS, maintains a secondary practice location in Stamford, and is a graduate of Geisel School Of Medicine At Dartmouth (1977).

NPPES Registry Identity

NPI1043385743
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NameDR. SARAH KAHNCredential: MD
Location Address195 DANBURY RDWilton, CT 06897-4075
Mailing Address195 Danbury RdWilton, CT 06897-4075 · (203) 276-8490 · Fax (203) 276-8491
Phone(203) 276-8490
Fax(203) 276-8491
Sole ProprietorNo
Medical School CMSGeisel School Of Medicine At DartmouthGraduated 1977
Enumeration DateNovember 21, 2006
Last NPPES UpdateAugust 9, 20212 updates tracked since enumeration
NPPES CertifiedAugust 9, 2021
✔ NPI 1043385743 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in CT · 031478
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
195 DANBURY RD, Wilton, CT 06897
Open in Google Maps ↗

Secondary Practice Location 1

Location 132 Strawberry Hill Ct, 4th Fl, Ste 9Stamford, CT 06902-2594 · Phone (203) 276-8490 · Fax (203) 276-8491

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Sarah Kahn 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 ID7416122304
PECOS Enrollment IDI20111205000137
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.

Medicare Billing Reassignment

Medicare enrollment records show Sarah Kahn reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Stamford Health Medical Group Inc
8.5 mi
General Practice
ONE OMEGA DRIVE, BUILDING 3, 2ND FLOOR
Stamford, CT 06907
  • Reassigned Medicare billing, Connecticut enrollment
  • 496 clinicians in this Medicare group
NPI 1154633980 (203) 276-7447

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 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.
91 services78 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.
90 services75 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
38 services38 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 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.
38 services38 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
27 services27 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
22 services22 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06897 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.

79.07/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality73.19
Promoting Interoperability99
Improvement Activities40
Cost57.89

Reported Quality Measures

Photodocumentation of Cecal Intubation
The rate of screening and surveillance colonoscopies for which photodocumentation of landmarks of cecal intubation is performed to establish a complete examination
100%91 patients
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 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. CRAIG DAVID SERIN M.D.
Internal Medicine
195 DANBURY RD, DAVENPORT BUILDING, SUITE 140
WILTON, CT 06897
Western Connecticut Planning Region (203) 762-3353
BRIDGEPORT ANESTHESIA ASSOCIATES, P.C.
Anesthesiology
195 DANBURY RD, WILTON SURGERY CENTER
WILTON, CT 06897
Western Connecticut Planning Region (203) 384-3072
SHANNON MORALES
Internal Medicine (Gastroenterology)
195 DANBURY RD
WILTON, CT 06897
Western Connecticut Planning Region (203) 276-8490
ANNIE M DINO PT
Physical Therapist
195 DANBURY RD, SUITE 200
WILTON, CT 06897
Western Connecticut Planning Region (203) 834-8884
DR. RICHARD SHEINBAUM MD
Internal Medicine (Gastroenterology)
195 DANBURY RD
WILTON, CT 06897
Western Connecticut Planning Region (203) 276-8490
ELIZABETH ELEANOR BROWN MD
Physical Medicine & Rehabilitation
195 DANBURY RD
WILTON, CT 06897
Western Connecticut Planning Region (203) 705-0250
DR. ALAN MERVYN RADIN M.D.
Internal Medicine
195 DANBURY RD, WHITLOCK BUILDING SUITE 210
WILTON, CT 06897
Western Connecticut Planning Region (203) 762-3353
DANIELA M WALSH PT
Physical Therapist
195 DANBURY RD, BUILDING B, 2ND FLOOR
WILTON, CT 06897
Western Connecticut Planning Region (203) 834-8884

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 Sarah Kahn's NPI number?

The NPI number for Sarah Kahn is 1043385743. It was assigned to this individual provider in the NPPES registry on November 21, 2006.

Where is Sarah Kahn located?

Sarah Kahn practices at 195 Danbury Rd, Wilton, CT 06897. The listed phone number is (203) 276-8490.

What is Sarah Kahn's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Sarah Kahn enrolled in Medicare?

Yes. Sarah Kahn 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.

Which organization bills Medicare for Sarah Kahn's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sarah Kahn reassigns Medicare benefits to Stamford Health Medical Group Inc (Stamford, CT). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Sarah Kahn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Sarah Kahn was last updated on August 9, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.