MARGARET M ANDERSEN MD
NPI 1679642938
Internal Medicine in Valhalla, NY

Active since November 08, 2006PECOS EnrolledAccepts Medicare Assignment
91.58/100
CMS Quality Rating
465 COLUMBUS AVE STE 370, VALHALLA, NY 10595(914) 769-1600(914) 769-1610 Get Directions Write a Review

NPPES record last updated: October 27, 2016. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Margaret M Andersen Md NPPES

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

MARGARET M ANDERSEN MD (NPI 1679642938) is an individual internal medicine provider in Valhalla, New York, licensed in New York (202880) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS, is affiliated with Northern Westchester Hospital, and is a graduate of State University Of New York At Stony Brook, School Of Medicine (1994).

NPPES Registry Identity

NPI1679642938
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameMARGARET M ANDERSENCredential: MD
Location Address465 COLUMBUS AVE STE 370Valhalla, NY 10595-1336
Mailing Address465 Columbus Ave Ste 370Valhalla, NY 10595-1336 · (914) 769-1600 · Fax (914) 769-1610
Fax(914) 769-1610
Sole ProprietorNo
Medical School CMSState University Of New York At Stony Brook, School Of MedicineGraduated 1994
Enumeration DateNovember 8, 2006
Last NPPES UpdateOctober 27, 2016
NPI 1679642938 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 · 202880
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.

465 COLUMBUS AVE STE 370, Valhalla, NY 10595

Other Identifiers 3

Medicare PIN23N711NY
Medicare UPING48797
Medicaid01749233NY

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

Margaret M Andersen 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 ID7012925399
PECOS Enrollment IDI20060328000550
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 6

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.

Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
66 services60 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.
55 services44 patients
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.
48 services43 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.
34 services34 patients
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 90677
The Pneumococcal Conjugate Vaccine (PCV20) is a shot given to protect against 20 types of bacteria that can cause serious infections like pneumonia and meningitis. It's administered through a muscle, usually in the arm. It's important for overall health.
16 services16 patients
Administration of pneumococcal vaccine G0009
The pneumococcal vaccine helps protect against pneumococcal bacteria, which can cause severe infections like pneumonia and meningitis. The vaccine is given as an injection, typically in the arm. It's recommended for infants, older adults, and those with certain health conditions.
16 services16 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 10595 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.

91.58/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality90.09
Improvement Activities40

Other Providers at the Same Location NPPES 6

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

Nurse Practitioner (Family)
465 COLUMBUS AVE STE 370
VALHALLA, NY 10595
Family Medicine
465 COLUMBUS AVE STE 370
VALHALLA, NY 10595
Internal Medicine
465 COLUMBUS AVE STE 370
VALHALLA, NY 10595
Internal Medicine
465 COLUMBUS AVE STE 370
VALHALLA, NY 10595
Family Medicine
465 COLUMBUS AVE STE 370
VALHALLA, NY 10595
Internal Medicine
465 COLUMBUS AVE STE 370
VALHALLA, NY 10595

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 Margaret Andersen's NPI number?

The NPI number for Margaret Andersen is 1679642938. It was assigned to this individual provider in the NPPES registry on November 8, 2006.

Where is Margaret Andersen located?

Margaret Andersen practices at 465 Columbus Ave Ste 370, Valhalla, NY 10595. The listed phone number is (914) 769-1600.

What is Margaret Andersen's specialty?

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

Is Margaret Andersen enrolled in Medicare?

Yes. Margaret Andersen 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 Margaret Andersen affiliated with any hospitals?

According to CMS data, Margaret Andersen is affiliated with Northern Westchester Hospital.

When was this NPI record last updated?

The NPPES record for Margaret Andersen was last updated on October 27, 2016. NPI Profile syncs with the weekly NPPES data releases published by CMS.