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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

MARTHA KENYON NICHOLSON MD
NPI 1578637880
Pediatrics in Valhalla, NY

Active since November 20, 2006PECOS Enrolled
100 WOODS RD, VALHALLA, NY 10595(914) 493-7000 Get Directions Write a Review

NPPES record last updated: July 19, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 19, 2026, Apr 11, 2024, Apr 10, 2023 (3 updates tracked since 2023).

About Martha Kenyon Nicholson Md NPPES

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

MARTHA KENYON NICHOLSON MD (NPI 1578637880) is an individual pediatrics provider in Valhalla, New York, licensed in New York (336971) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS, maintains a secondary practice location in Walnut Creek, and is a graduate of University Of California, Davis School Of Medicine (1996).

NPPES Registry Identity

NPI1578637880
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameMARTHA KENYON NICHOLSONCredential: MD
Location Address100 WOODS RDValhalla, NY 10595-1530
Mailing Address100 Woods RdValhalla, NY 10595-1530 · (914) 493-7000
Phone(914) 493-7000
Sole ProprietorNo
Medical School CMSUniversity Of California, Davis School Of MedicineGraduated 1996
Enumeration DateNovember 20, 2006
Last NPPES UpdateJuly 19, 20263 updates tracked since enumeration
NPPES CertifiedJuly 19, 2026
✔ NPI 1578637880 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
Licenses✔ Licensed in NY · 336971✔ Licensed in CA · A63320
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
Also ListedPediatrics · Pediatric CardiologyTaxonomy 2080P0202X · License A63320 (CA)
Also ListedHospitalistTaxonomy 208M00000X · License A63320 (CA)
100 WOODS RD, Valhalla, NY 10595
Open in Google Maps ↗

Secondary Practice Location 1

Location 11425 S Main StWalnut Creek, CA 94596-5318 · Phone (925) 295-4000

Other Identifiers 1

Medicaid00A633200CA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Highmark Blue Cross Blue Shield Delaware.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Martha Kenyon Nicholson Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2961687769
PECOS Enrollment IDI20251029000224, I20260522000809, I20260611003250
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.

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
$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.

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.

MRS. LISA ANN SAUER N.P.
Nurse Practitioner (Neonatal, Critical Care)
100 WOODS RD
VALHALLA, NY 10595
Westchester County (914) 493-7000
KAREN FRANCOIS MD
Anesthesiology
100 WOODS RD
VALHALLA, NY 10595
Westchester County (914) 493-7000
KIMBERLY WILSON R.D.
Dietitian, Registered
100 WOODS RD
VALHALLA, NY 10595
Westchester County (914) 493-7664
RADHIKA VOLETI M.D
Internal Medicine
100 WOODS RD
VALHALLA, NY 10595
Westchester County (914) 493-7000
FAREENA NAWAZ MD
Internal Medicine
100 WOODS RD
VALHALLA, NY 10595
Westchester County (914) 493-7000
AUSTIN B CARPENTER
Student in an Organized Health Care Education/Training Program
100 WOODS RD
VALHALLA, NY 10595
Westchester County (914) 493-8795
AMRO AGLAN MD
Student in an Organized Health Care Education/Training Program
100 WOODS RD
VALHALLA, NY 10595
Westchester County (914) 493-7000
HAO WANG MD, PHD
Student in an Organized Health Care Education/Training Program
100 WOODS RD
VALHALLA, NY 10595
Westchester County (914) 493-6613

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 Martha Nicholson's NPI number?

The NPI number for Martha Nicholson is 1578637880. It was assigned to this individual provider in the NPPES registry on November 20, 2006.

Where is Martha Nicholson located?

Martha Nicholson practices at 100 Woods Rd, Valhalla, NY 10595. The listed phone number is (914) 493-7000.

What is Martha Nicholson's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Martha Nicholson enrolled in Medicare?

Yes. Martha Nicholson is registered in the Medicare PECOS enrollment system.

What insurance does Martha Nicholson accept?

Health plans from Highmark Blue Cross Blue Shield Delaware list Martha Nicholson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Martha Nicholson was last updated on July 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.