DR. KAREN J LEISER MD
NPI 1073689055
Internal Medicine in Harrison, NY

Active since November 28, 2006PECOS EnrolledAccepts Medicare Assignment
99.15/100
CMS Quality Rating
600 MAMARONECK AVE, HARRISON, NY 10528(914) 723-8100(914) 219-1928 Get Directions Write a Review

NPPES record last updated: February 10, 2016. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Dr. Karen J Leiser Md NPPES

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

DR. KAREN J LEISER MD (NPI 1073689055) is an individual internal medicine provider in Harrison, New York, licensed in New York (232670) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS, is affiliated with White Plains Hospital Center, and is a graduate of Albert Einstein College Of Medicine Of Yeshiva University (2002).

NPPES Registry Identity

NPI1073689055
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. KAREN J LEISERCredential: MD
Location Address600 MAMARONECK AVEHarrison, NY 10528-1635
Mailing Address550 Mamaroneck Ave, Suite 302Harrison, NY 10528-1634 · (914) 723-8100 · Fax (914) 219-1928
Fax(914) 219-1928
Sole ProprietorNo
Medical School CMSAlbert Einstein College Of Medicine Of Yeshiva UniversityGraduated 2002
Enumeration DateNovember 28, 2006
Last NPPES UpdateFebruary 10, 2016
NPI 1073689055 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in NY · 232670
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.

600 MAMARONECK AVE, Harrison, NY 10528

Other Identifiers 1

Medicare PIN5541623471NY

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. Karen J Leiser 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 ID8022103514
PECOS Enrollment IDI20070928000094
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 9

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.
338 services166 patients
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025
A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.
285 services202 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.
264 services212 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
228 services203 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
140 services140 patients
Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit G0438
An annual wellness visit is a yearly appointment with your doctor to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's an opportunity to discuss your health status and goals and get a plan tailored for you.
49 services49 patients

Hospital Affiliations CMS Care Compare

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

White Plains Hospital Center

Acute Care Hospitals · White Plains, NY
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330304
Location41 East Post R0adWhite Plains, NY 10601 · Westchester County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10528 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
$154.28 typical visit price
range $67.40 – $203.53
Typical copayment $38.57 (range $16.85 – $50.88)
Most-billed visit code 99204
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.

99.15/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Promoting Interoperability99
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.

Psychologist (Clinical)
600 MAMARONECK AVE, STE. 400
HARRISON, NY 10528
Psychologist (Clinical)
600 MAMARONECK AVE, SUITE 400
HARRISON, NY 10528
Social Worker (Clinical)
600 MAMARONECK AVE, SUITE 301
HARRISON, NY 10528
Psychiatry & Neurology (Psychiatry)
600 MAMARONECK AVE, SUITE 106
HARRISON, NY 10528
Social Worker (Clinical)
600 MAMARONECK AVE, SUITE 303
HARRISON, NY 10528
Psychologist (Clinical)
600 MAMARONECK AVE, SUITE 400
HARRISON, NY 10528
Clinic/Center (Radiology, Mammography)
600 MAMARONECK AVE, SUITE 102
HARRISON, NY 10528
Psychologist (Clinical)
600 MAMARONECK AVE, 411
HARRISON, NY 10528

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 Leiser's NPI number?

The NPI number for Karen Leiser is 1073689055. It was assigned to this individual provider in the NPPES registry on November 28, 2006.

Where is Karen Leiser located?

Karen Leiser practices at 600 Mamaroneck Ave, Harrison, NY 10528. The listed phone number is (914) 723-8100.

What is Karen Leiser's specialty?

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

Is Karen Leiser enrolled in Medicare?

Yes. Karen Leiser 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 Karen Leiser affiliated with any hospitals?

According to CMS data, Karen Leiser is affiliated with White Plains Hospital Center.

When was this NPI record last updated?

The NPPES record for Karen Leiser was last updated on February 10, 2016. NPI Profile syncs with the weekly NPPES data releases published by CMS.