Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1578637880 Individual Practitioner Female Practitioner

Dr. Martha Kenyon Nicholson , MD

Pediatrics • Valhalla, NY

Professional Overview & Biography Verified Profile Summary

Dr. Martha Nicholson, MD is a certified Pediatrics practicing in Valhalla, NY. With approximately 30 years of clinical experience since graduating from University Of California, Davis School Of Medicine in 1996, Dr. Nicholson delivers high-quality medical care to the local community at 100 WOODS RD.

Dr. Nicholson does not directly accept Medicare assignment.

Practice Location & Contact Primary Location

Practice Address

100 Woods Rd

Valhalla, NY 105951530

Telephone 9144937000
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

University Of California, Davis School Of Medicine

Graduation Year

1996

Medicare Assignment

Not Specified

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Pediatrics in Valhalla, NY

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
30 Yrs +17.3 yrs vs City Avg
City Avg: 12.7 Yrs
State Avg: 24.1 Yrs
Regional Practice Density
40 Specialists

Practicing in Valhalla, NY (6127 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Nicholson (30 Years) 30 Yrs
Valhalla Specialty Average (12.7 Years) 12.7 Yrs

Medical Specialties & State Licenses

CMS Verified: 2026-07-19
Pediatrics Primary Specialty

NUCC Taxonomy Code: 208000000X

State License NY 336971

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.

Pediatrics

NUCC Taxonomy Code: 208000000X

State License CA A63320

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.

Pediatrics - Pediatric Cardiology

NUCC Taxonomy Code: 2080P0202X

State License CA A63320

A pediatric cardiologist provides comprehensive care to patients with cardiovascular problems. This specialist is skilled in selecting, performing and evaluating the structural and functional assessment of the heart and blood vessels, and the clinical evaluation of cardiovascular disease.

Hospitalist

NUCC Taxonomy Code: 208M00000X

State License CA A63320

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
00A633200 (CA)

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
Lisa Sauer , NP

Nurse Practitioner - Neonatal, Critical Care

NPI 1003103136

Nurse Practitioner

NPI 1003108168

Doctor of Medicine (M.D.)

Dr. Radhika Voleti , MD

Internal Medicine

NPI 1003222449

Doctor of Medicine (M.D.)

Dr. Fareena Nawaz , MD

Internal Medicine

NPI 1003377060

Doctor of Medicine (M.D.)

Dr. Amro Aglan , MD

Student in an Organized Health Care Education/Training Program

NPI 1003485103

Doctor of Medicine (M.D.)

Brenna Megahey , FNP-BC

Nurse Practitioner - Family

NPI 1003792490

Family Nurse Practitioner (Board Certified)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

11 Historical Events
📍
Updated Practice Location July 19, 2026

Registered at 100 WOODS RD, VALHALLA, NY 105951530 (Tel: 9144937000)

📍
Updated Business Mailing Address July 19, 2026

Registered at 100 WOODS RD, VALHALLA, NY 105951530 (Tel: 9144937000)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 19, 2026

Pediatrics (License #336971 in NY)

📍
Updated Practice Location April 10, 2023

Registered at 725 WELCH RD, PALO ALTO, CA 943041601 (Tel: 6504978000)

📍
Updated Business Mailing Address April 10, 2023

Registered at 725 WELCH RD, PALO ALTO, CA 943041601 (Tel: 6504978000)

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location July 08, 2007

Registered at 1425 S MAIN ST, WALNUT CREEK, CA 945965318 (Tel: 9252954000)

📍
Updated Business Mailing Address July 08, 2007

Registered at 1800 HARRISON ST FL 7, OAKLAND, CA 946123429 (Tel: 5106256262)

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as MARTHA NICHOLSON, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Pediatrics (License #A63320 in CA)

🟢
Initial NPI Registration & Enumeration November 20, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1578637880
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: November 20, 2006
Last Update: July 19, 2026
Sole Proprietor: No

Mailing Address

100 Woods Rd

Valhalla, NY 105951530

Phone: 9144937000

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.