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KAREN S ARTHUR MD
NPI 1033194055
Surgery in Mount Kisco, NY

Active since December 13, 2005PECOS Enrolled
400 E MAIN ST, NWH NORTH BUILDING 1ST FLOOR, MOUNT KISCO, NY 10549(914) 242-7640(914) 242-7682 Get Directions Write a Review

NPPES record last updated: September 20, 2012. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Karen S Arthur Md NPPES

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

KAREN S ARTHUR MD (NPI 1033194055) is an individual surgery provider in Mount Kisco, New York, licensed in New York (124616-1) and active in the NPI registry since December 2005. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1033194055
Entity TypeIndividualFemale
Primary Taxonomy208600000X
Provider Legal NameKAREN S ARTHURCredential: MD
Location Address400 E MAIN ST, NWH NORTH BUILDING 1ST FLOORMount Kisco, NY 10549-3417
Mailing Address400 E Main St, Nwh North Building 1st FloorMount Kisco, NY 10549-3417 · (914) 242-7640 · Fax (914) 242-7682
Phone(914) 242-7640
Fax(914) 242-7682
Sole ProprietorNo
Enumeration DateDecember 13, 2005
Last NPPES UpdateSeptember 20, 2012
✔ NPI 1033194055 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
Licenses✔ Licensed in NY · 124616-1✔ Licensed in CT · 038407
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
400 E MAIN ST, Mount Kisco, NY 10549
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Other Identifiers 20

Other129629NE · United Health Care
Other133884168NY · Beech Street
Other133884168NY · 133884168
Other133884168NY · Horizon Healthcare Of Ny
Other133884168NY · Pomco
Other2151396NY · Aetna Hmo
Other8381598-002NY · Cigna
Other000000045876NY · Ghi Hmo
Other14616-4WNY · Workers Compensation
Other18G751NY · Blue Cross Ppo
Other4648927NY · Aetna (non Hmo)
Other124616NY · Connecticare
Other124616-1NY · Hip
Other4C1385NY · Health Net
Medicaid01120754NY
Other0199287NY · Ghi Ppo
Other133884168NY · Multiplan
OtherP1104183NY · Oxford
Medicare UPINF20863
Medicare ID-Type Unspecified18G751NY

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Karen S Arthur Md 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.

Medicare Billing Reassignment

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

Northern Westchester Hospital Association
Same address
Emergency Medicine
400 E MAIN ST
Mount Kisco, NY 10549
  • Reassigned Medicare billing, New York enrollment
  • 76 clinicians in this Medicare group
NPI 1679641237 (914) 666-1254

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10549 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
$105.06 typical visit price
range $67.40 – $203.53
Typical copayment $26.26 (range $16.85 – $50.88)
Most-billed visit code 99203
Established Patient
$83.44 typical visit price
range $21.66 – $164.45
Typical copayment $20.86 (range $5.41 – $41.11)
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.

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.

MS. MICHAEL ARLIA MD
Anesthesiology
400 E MAIN ST, NORTHERN WESTCHESTER HOSPITAL
MOUNT KISCO, NY 10549
Westchester County (914) 666-1691
DR. HERBERTH BALSELLS D.O.
Emergency Medicine
400 E MAIN ST
MOUNT KISCO, NY 10549
Westchester County (914) 666-1254
SABINA MUSOVIC SEFOVIC MD
Anesthesiology (Critical Care Medicine)
400 E MAIN ST
MOUNT KISCO, NY 10549
Westchester County (914) 666-1200
DR. ANDREW MONIK MOGGA MD
Student in an Organized Health Care Education/Training Program
400 E MAIN ST
MOUNT KISCO, NY 10549
Westchester County (914) 666-1931
MAZEN T KHALIFEH MD
Pediatrics (Neonatal-Perinatal Medicine)
400 E MAIN ST, NORTHERN WESTCHESTER HOSPITAL
MOUNT KISCO, NY 10549
Westchester County (914) 666-1862
NANDINI ANANDU MD
Internal Medicine
400 E MAIN ST, NORTHERN WESTCHESTER HOSPITAL
MOUNT KISCO, NY 10549
Westchester County (914) 666-1200
ANISHA DUVVI
Student in an Organized Health Care Education/Training Program
400 E MAIN ST
MOUNT KISCO, NY 10549
Westchester County (914) 666-1931
UROGYNECOLOGY AND PELVIC SURGERY, PLLC
Obstetrics & Gynecology
400 E MAIN ST
MOUNT KISCO, NY 10549
Westchester County (203) 391-6620

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 Karen Arthur's NPI number?

The NPI number for Karen Arthur is 1033194055. It was assigned to this individual provider in the NPPES registry on December 13, 2005.

Where is Karen Arthur located?

Karen Arthur practices at 400 E Main St Nwh North Building 1st Floor, Mount Kisco, NY 10549. The listed phone number is (914) 242-7640.

What is Karen Arthur's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Karen Arthur enrolled in Medicare?

Yes. Karen Arthur is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Karen Arthur's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karen Arthur reassigns Medicare benefits to Northern Westchester Hospital Association (Mount Kisco, NY). 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 Karen Arthur'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 Karen Arthur was last updated on September 20, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.