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Dermatology

Martha J. Maso, MD

Sees patients in West Wood, NJ · New Jersey

Summary

Dr. Martha J. Maso, MD is a dermatologist at 390 Old Hook Rd, West Wood, NJ 07675. Phone: (201) 666-9550. Accepts Medicare assignment. In 2024, Martha J. Maso had 1,218 Original Medicare patients and 6,206 services. NPI 1518968676. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Dermatologist (Medicare lists Dermatology)
  • Address: 390 Old Hook Rd, West Wood, NJ 07675 · Directions
  • Phone: (201) 666‑9550
  • Medicare: Accepts Medicare assignment
  • Group practice: Westwood Dermatology and Dermatologic Surgery Group, PA
  • Medical school: Rutgers New Jersey Medical School · graduated 1986 (40 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Martha J. Maso, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Martha J. Maso accept Medicare assignment?
Yes. Medicare's clinician data says Martha J. Maso accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Martha J. Maso see?
In 2024, CMS data shows 1,218 Original Medicare patients and 6,206 services for Martha J. Maso. This counts Original Medicare only and measures volume, not quality.
What is Martha J. Maso's NPI number?
1518968676. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Martha J. Maso, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients1,218
Services billed to Medicare6,206
Different services or procedures38
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Biopsy of related skin growth, each additional growth (11103)1,768 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)1,514 services
  3. Biopsy of related skin growth, first growth (11102)1,399 services
  4. Destruction of precancer skin growth, 2-14 growths (17003)294 services
  5. Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm (17262)198 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol75%
  • High blood pressure70%
  • Arthritis49%
  • Osteoporosis27%
  • Ischemic heart disease25%
  • Anxiety25%

Practice locations

Addresses where Martha J. Maso is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Martha J. Maso as a member of this group (CMS data updated October 2, 2026).

  • Westwood Dermatology and Dermatologic Surgery Group, PA9 clinicians in the group

Specialties

Find other Dermatology doctors in New Jersey →

Other dermatologists in West Wood

Clinicians with the same Medicare primary specialty in West Wood, NJ — not a recommendation.

All dermatologists in West Wood →

Other clinicians in Westwood Dermatology and Dermatologic Surgery Group, PA

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolRutgers New Jersey Medical School
Graduation year1986 (40 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1518968676
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians