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DR. MARTIN BLACKWELL DO
NPI 1356330534
Dermatology in Hopatcong, NJ

Active since October 19, 2005PECOS Enrolled
109 MAXIM DR, HOPATCONG, NJ 07843(973) 222-2719 Get Directions Write a Review

NPPES record last updated: May 9, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Martin Blackwell Do NPPES

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

DR. MARTIN BLACKWELL DO (NPI 1356330534) is an individual dermatology provider in Hopatcong, New Jersey, licensed in New Jersey (25MB05321100) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1356330534
Entity TypeIndividualMale
Primary Taxonomy207N00000X
Provider Legal NameDR. MARTIN BLACKWELLCredential: DO
Location Address109 MAXIM DRHopatcong, NJ 07843-1900
Mailing Address136 Woodside AveNewton, NJ 07860-2313 · (973) 300-0555 · Fax (973) 300-0052
Phone(973) 222-2719
Sole ProprietorYes
Enumeration DateOctober 19, 2005
Last NPPES UpdateMay 9, 2025
NPPES CertifiedMay 9, 2025
✔ NPI 1356330534 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians
Taxonomy Code207N00000X
License✔ Licensed in NJ · 25MB05321100
Definition
A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.
109 MAXIM DR, Hopatcong, NJ 07843
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Martin Blackwell Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignment

Medicare enrollment records show Martin Blackwell reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Blackwell Derm
8.7 mi
Dermatology
136 WOODSIDE AVE
Newton, NJ 07860
  • Reassigned Medicare billing, New Jersey enrollment
NPI 1447016555 (973) 300-0222

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
122 services122 patients
Destruction of precancer skin growth, 2-14 growths 17003
This procedure involves removing 2-14 precancerous skin growths. The growths are treated to prevent them from potentially developing into skin cancer. The process is safe, with minimal discomfort, and promotes healthier skin.
100 services35 patients
Destruction of precancer skin growth, 1 growth 17000
"Destruction of precancer skin growth" is a procedure that eliminates a single precancerous skin growth. This is done to prevent it from developing into skin cancer. The growth may be removed using various methods such as cryotherapy (freezing), laser therapy, or topical medications.
61 services47 patients
Biopsy of related skin growth, first growth 11102
A biopsy of a skin growth involves taking a small sample of the growth to examine it under a microscope. This helps determine if the growth is harmful. The procedure is typically quick, with minimal discomfort. It's a crucial step in ensuring your skin's health.
57 services52 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.
27 services24 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07843 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
$98.09 typical visit price
range $63.84 – $190.92
Typical copayment $24.52 (range $15.96 – $47.73)
Most-billed visit code 99203
Established Patient
$79.09 typical visit price
range $20.97 – $155.92
Typical copayment $19.77 (range $5.24 – $38.98)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Martin Blackwell's NPI number?

The NPI number for Martin Blackwell is 1356330534. It was assigned to this individual provider in the NPPES registry on October 19, 2005.

Where is Martin Blackwell located?

Martin Blackwell practices at 109 Maxim Dr, Hopatcong, NJ 07843. The listed phone number is (973) 222-2719.

What is Martin Blackwell's specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

Is Martin Blackwell enrolled in Medicare?

Yes. Martin Blackwell is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Martin Blackwell's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Martin Blackwell reassigns Medicare benefits to Blackwell Derm (Newton, NJ). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Martin Blackwell's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Martin Blackwell accept?

Health plans from Oscar Health list Martin Blackwell 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 Martin Blackwell was last updated on May 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months 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.