CLARK DERMATOLOGY LLC
NPI 1851562425
Dermatology in Clark, NJ

NPI Status: Active since March 21, 2008

Contact Information

1075 CENTRAL AVE
CLARK, NJ
ZIP 07066
Phone: (732) 574-1399
Fax: (732) 574-1433

Get Directions Write a Review

  • Organization
  • Dermatology
  • Accepts Insurance
  • CLIA Number: 31D2214982
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 03-18-2028

About CLARK DERMATOLOGY LLC

This page provides the complete NPI Profile along with additional information for Clark Dermatology Llc, a provider established in Clark, New Jersey operating as a Dermatology. The healthcare provider is registered in the NPI registry with number 1851562425 assigned on March 2008. The practitioner's primary taxonomy code is 207N00000X. The provider is registered as an organization and their NPI record was last updated one year ago. Clark Dermatology Llc operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The provider's . The authorized official of this NPI record is Dr. Alexander Doctoroff D.o. (Owner)

NPI
1851562425
Provider Legal Name
CLARK DERMATOLOGY LLC
Other Organization Name
Other Name Type
(6)
Entity Type
Organization
Location Address
1075 CENTRAL AVE CLARK, NJ 07066
Location Phone
(732) 574-1399
Location Fax
(732) 574-1433
Mailing Address
469 MORRIS AVE STE 3 ELIZABETH, NJ 07208
Mailing Phone
(732) 574-1399
Mailing Fax
(732) 574-1433
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
03-21-2008
Last Update Date
07-31-2025
Code Navigator

A dermatologist like Clark Dermatology Llc is a medical specialty involving the management of skin conditions and diseases. Dermatologists diagnose some sexually transmitted diseases, warts, cancer, acne, dermatitis and may offer cosmetic treatments, and therapies that reduce age spots and wrinkles.

Location Map

Secondary Locations

  • 3 Lincoln Hwy Ste 305
    Edison, NJ 08820
    (732) 549-2448
  • 622 Boulevard
    Kenilworth, NJ 07033
    (908) 241-3181
  • 703 Kearny Ave
    Kearny, NJ 07032
    (201) 998-4699
  • 3202 John F Kennedy Blvd
    Jersey City, NJ 07306
    (201) 792-4500
  • 400 Franklin Tpke Ste 208
    Mahwah, NJ 07430
    (201) 825-0009
  • 48 S Franklin Tpke Ste 203
    Ramsey, NJ 07446
    (201) 825-0009
  • 1425 Pompton Ave Ste 1-1
    Cedar Grove, NJ 07009
    (973) 785-8686
  • 1805 Route 206
    Southampton, NJ 08088
    (609) 388-6098
  • 55 Newton Sparta Rd Ste 105
    Newton, NJ 07860
    (973) 300-0555
  • 1030 Saint Georges Ave Ste 202
    Avenel, NJ 07001
    (732) 750-1331
  • 505 Omni Dr
    Hillsborough, NJ 08844
    (908) 359-6685
  • 36 Newark Ave Ste 214
    Belleville, NJ 07109
    (973) 751-1200
  • 5809 Madison St
    West New York, NJ 07093
    (201) 861-4226
  • 114 Lakeview Ave
    South Plainfield, NJ 07080
    (908) 941-2227
  • 3071 E Chestnut Ave Ste D12
    Vineland, NJ 08361
    (201) 837-3939
  • 175 Cedar Ln Ste A
    Teaneck, NJ 07666
    (201) 837-3939
  • 3461 US Highway 22 E Bldg D
    Branchburg, NJ 08876
    (908) 725-4777
  • 1324 Victory Blvd
    Staten Island, NY 10301
    (718) 448-4488
  • 100 N Black Horse Pike Ste C
    Williamstown, NJ 08094
    (856) 362-2200
  • 1 W Ridgewood Ave Ste 305
    Paramus, NJ 07652
    (201) 445-8786
  • 40 Stirling Rd Ste 203
    Watchung, NJ 07069
    (908) 753-9600
  • 469 Morris Ave
    Elizabeth, NJ 07208
    (908) 512-7900
  • 50 Market St
    Saddle Brook, NJ 07663
    (201) 368-0011

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Dermatology

Taxonomy Code
207N00000X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
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.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207ND0101XAllopathic & Osteopathic Physicians

Dermatology
MOHS-Micrographic Surgery

 
2207ND0900XAllopathic & Osteopathic Physicians

Dermatology
Dermatopathology

 

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • Complete Gold - HMO
  • Complete Gold + Vision + Adult Dental - HMO
  • Elite Bronze - HMO
  • Elite Bronze + Vision + Adult Dental - HMO
  • Everyday Bronze - HMO
  • Everyday Bronze + Vision + Adult Dental - HMO
  • Everyday Gold - HMO
  • Everyday Gold + Vision + Adult Dental - HMO
  • Focused Silver - HMO
  • Focused Silver + Vision + Adult Dental - HMO
  • Standard Expanded Bronze - HMO
  • Standard Expanded Bronze + Vision + Adult Dental - HMO
  • Standard Gold - HMO
  • Standard Gold + Vision + Adult Dental - HMO
  • Standard Silver - HMO
  • Standard Silver + Vision + Adult Dental - HMO
  • Clear Gold - EPO
  • Clear Gold + Vision + Adult Dental - EPO
  • Complete Gold - EPO
  • Complete Gold + Vision + Adult Dental - EPO
  • Elite Silver - EPO
  • Elite Silver + Vision + Adult Dental - EPO
  • Everyday Bronze - EPO
  • Everyday Bronze + Vision + Adult Dental - EPO
  • Focused Silver - EPO
  • Focused Silver + Vision + Adult Dental - EPO
  • Principal Bronze HSA - EPO
  • Principal Bronze HSA + Vision + Adult Dental - EPO
  • Standard Expanded Bronze - EPO
  • Standard Expanded Bronze + Vision + Adult Dental - EPO
  • Standard Gold - EPO
  • Standard Gold + Vision + Adult Dental - EPO
  • Standard Silver - EPO

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

DR. ALEXANDER DOCTOROFF D.O.

Authorized Official Title
OWNER
Authorized Official Phone
(732) 574-1399

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
31D2214982
Facility Type
Physician Office
Certificate Effective Date
March 19, 2026
Certificate Expiration Date
March 18, 2028
Laboratory Director
ALEXANDER DOCTOROFF
Certificate Type
Certificate of Compliance
Certificate Type Description
This CLIA certificate is issued to Clark Dermatology Llc after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements. This type of certificate is issued to laboratories that perform nonwaived (moderate and/or high complexity) testing.

Reviews for CLARK DERMATOLOGY LLC

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1851562425, we treat the final digit (5) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 55. The final step is to find the difference between that total and the next multiple of ten (60 - 55 = 5).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
8
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
1
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
6
Unchanged
Pos 7
2
Doubled → 4
Pos 8
4
Unchanged
Pos 9
2
Doubled → 4
Check
5
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 5 → 10 → 1 5 → 10 → 1 2 → 4 2 → 4

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 8 + 1 + 0 + 1 + 1 + 0 + 6 + 4 + 4 + 4 + 24 = 55

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 55 is 60. The difference is the calculated check digit.

60 - 55 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1851562425.

Other Providers at the Same Location


The following 8 providers are registered at the same or a nearby location.

Dentist (Endodontics)
1075 CENTRAL AVE
CLARK, NJ 07066
Physician Assistant
1075 CENTRAL AVE
CLARK, NJ 07066
Dermatology
1075 CENTRAL AVE
CLARK, NJ 07066
Physician Assistant (Medical)
1075 CENTRAL AVE
CLARK, NJ 07066
Family Medicine
1075 CENTRAL AVE
CLARK, NJ 07066
Physician Assistant (Surgical)
1075 CENTRAL AVE
CLARK, NJ 07066
Dentist (Endodontics)
1075 CENTRAL AVE
CLARK, NJ 07066
Nurse Practitioner (Family)
1075 CENTRAL AVE
CLARK, NJ 07066

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1851562425, enumerated as an "organization" on March 21, 2008.

The provider is located at 1075 CENTRAL AVE CLARK, NJ 07066 and the phone number is (732) 574-1399.

Dermatology with taxonomy code 207N00000X.

The provider might be accepting Accepts: Ambetter Health and Ambetter Health of Delaware. Please consult your insurance carrier or call the provider to verify.