Physician Profile
Martha J. Maso, M.D. is a healthcare provider in Westwood, NJ specializing in dermatology. Martha trained at Rutgers New Jersey Medical School, graduating in 1986. According to Medicare claims data, Martha cared for 3,451 Medicare patients across 6,055 services. The services billed most often include biopsy of related skin growth, each additional growth, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and biopsy of related skin growth, first growth.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
390 OLD HOOK RD
Westwood, NJ 07675
Within Dermatology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Acne and follicular disorders
Eczema and inflammatory skin disease
Infections and infestations
Pigment, growths, and benign lesions
Skin cancer
Urticaria, itch, and vascular
Autoimmune and connective tissue
Infections
Rashes & allergy
Skin growths
Most searched procedures
Diagnostic procedures
Lesion treatment
Medical dermatology treatment
Cosmetic
Cosmetic and minor surgery
Cosmetic dermatology
Diagnostic
General dermatology
Infections
Medical dermatology
Nails & hair
Skin cancer surgery
Skin growths
6,055 services · 3,451 patients · 17 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of related skin growth, each additional growth | Procedure | 11103 |
1,768 | More than most peers in Dermatology |
| Biopsy of related skin growth, first growth | Procedure | 11102 |
1,399 | More than most peers in Dermatology |
| Destruction of precancer skin growth, 2-14 growths | Procedure | 17003 |
294 | Less often than most peers in Dermatology |
| Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm | Procedure | 17262 |
198 | More than most peers in Dermatology |
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
95 | Less often than most peers in Dermatology |
| Destruction of cancer skin growth of trunk, arms, or legs, 0.6-1.0 cm | Procedure | 17261 |
52 | More often than most peers in Dermatology |
| Injection into skin growth, more than 7 growths | Procedure | 11901 |
47 | More often than most peers in Dermatology |
| Injection into skin growth, 1-7 growths | Procedure | 11900 |
33 | More often than most peers in Dermatology |
| Destruction of skin growth, 1-14 growths | Procedure | 17110 |
24 | Less often than most peers in Dermatology |
| Biopsy of ear | Procedure | 69100 |
21 | As often as other peers in Dermatology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Martha J. Maso is a dermatologist (skin doctor) in Westwood, NJ. That is the designation recorded for this NPI in the federal registry, where it is listed as “Dermatology”.
NPI registry
Martha J. Maso is listed at 390 Old Hook Rd, Westwood, NJ 07675. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (201) 666-9550. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Martha J. Maso's National Provider Identifier is 1518968676. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Martha J. Maso attended Rutgers New Jersey Medical School, graduating in 1986. This comes from the CMS National Downloadable File.
CMS public data
Martha J. Maso has 40 years experience. Calculated from a graduation year of 1986, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Martha J. Maso performs procedures including biopsy of related skin growth, each additional growth, biopsy of related skin growth, first growth and destruction of precancer skin growth, 2-14 growths, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Martha J. Maso. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.