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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ANDREA C LONGDEN FNP
NPI 1114912409
Nurse Practitioner - Family in Mount Kisco, NY

Active since September 13, 2005PECOS Enrolled
91.25/100
CMS Quality Rating
400 E MAIN ST, NORTHERN WESTCHESTER HOSPITAL EMERGENCY DEPARTMENT, MOUNT KISCO, NY 10549(914) 666-1254(914) 666-1931 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Andrea C Longden Fnp NPPES

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

ANDREA C LONGDEN FNP (NPI 1114912409) is an individual family provider in Mount Kisco, New York, licensed in New York (F430116) and active in the NPI registry since September 2005. She is enrolled in Medicare PECOS, is affiliated with Northern Westchester Hospital, and is a graduate of Other (1997).

NPPES Registry Identity

NPI1114912409
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameANDREA C LONGDENCredential: FNP
Location Address400 E MAIN ST, NORTHERN WESTCHESTER HOSPITAL EMERGENCY DEPARTMENTMount Kisco, NY 10549-3417
Mailing Address400 E Main St, Northern Westchester Hospital Emergency DepartmentMount Kisco, NY 10549-3417 · (914) 666-1254 · Fax (914) 666-1931
Phone(914) 666-1254
Fax(914) 666-1931
Sole ProprietorNo
Medical School CMSOtherGraduated 1997
Enumeration DateSeptember 13, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1114912409 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 NY · F430116
400 E MAIN ST, Mount Kisco, NY 10549
Open in Google Maps ↗

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

Andrea C Longden Fnp 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 ID4587669676
PECOS Enrollment IDI20060925000047
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.

Areas of Expertise CMS Part B claims 2

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.

Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
52 services51 patients
Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
27 services27 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Northern Westchester Hospital

Acute Care Hospitals · Mount Kisco, NY
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330162
Location400 East Main StreetMount Kisco, NY 10549 · Westchester County
Emergency services Birthing friendly

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
$117.62 typical visit price
range $21.66 – $164.45
Typical copayment $29.40 (range $5.41 – $41.11)
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.

91.25/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality74.92
Promoting Interoperability91.67
Improvement Activities40

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
KAREN S ARTHUR MD
Surgery
400 E MAIN ST, NWH NORTH BUILDING 1ST FLOOR
MOUNT KISCO, NY 10549
Westchester County (914) 242-7640

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 Andrea Longden's NPI number?

The NPI number for Andrea Longden is 1114912409. It was assigned to this individual provider in the NPPES registry on September 13, 2005.

Where is Andrea Longden located?

Andrea Longden practices at 400 E Main St Northern Westchester Hospital Emergency Department, Mount Kisco, NY 10549. The listed phone number is (914) 666-1254.

What is Andrea Longden's specialty?

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

Is Andrea Longden enrolled in Medicare?

Yes. Andrea Longden 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.

Is Andrea Longden affiliated with any hospitals?

According to CMS data, Andrea Longden is affiliated with Northern Westchester Hospital.

When was this NPI record last updated?

The NPPES record for Andrea Longden was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 29 days 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.