KENNETH MARK MD PC
NPI 1992982748
Dermatology - MOHS-Micrographic Surgery in Southampton, NY
NPI Status: Active since January 23, 2008
Contact Information
425 COUNTY ROAD 39A STE 201
SOUTHAMPTON, NY
ZIP 11968
Phone: (631) 283-0002
Fax: (631) 283-1932
Some details in this NPI profile have been updated in the NPI registry within the last 30 days.
- Organization
- Dermatology
- MOHS-Micrographic Surgery
About KENNETH MARK MD PC
This page provides the complete NPI Profile along with additional information for Kenneth Mark Md Pc, a provider established in Southampton, New York operating as a Dermatology, focusing in mohs-micrographic surgery . The healthcare provider is registered in the NPI registry with number 1992982748 assigned on January 2008. The practitioner's primary taxonomy code is 207ND0101X with license number 204164 (NY). The provider is registered as an organization and their NPI record was last updated May 2026. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Dr. Kenneth Andre Mark Md (Physician)
- NPI
- 1992982748
- Provider Name
- KENNETH MARK MD PC
- Entity Type
- Organization
- Location Address
- 425 COUNTY ROAD 39A STE 201 SOUTHAMPTON, NY 11968
- Location Phone
- (631) 283-0002
- Location Fax
- (631) 283-1932
- Mailing Address
- PO BOX 175 WATER MILL, NY 11976
- Mailing Phone
- (631) 283-0002
- Mailing Fax
- (631) 283-1932
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- Yes
- Enumeration Date
- 01-23-2008
- Last Update Date
- 05-26-2026
- Code Navigator
Location Map
Secondary Locations
- 200 Pantigo Pl Ste N
East Hampton, NY 11937
(631) 283-0292 - 155 Spring St Fl 4
New York, NY 10012
(631) 283-0292
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 MOHS-Micrographic Surgery
- Taxonomy Code
- 207ND0101X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 204164
- License State
- NY
- Taxonomy Description
- The highly-trained surgeons that perform Mohs Micrographic Surgery are specialists both in dermatology and pathology. With their extensive knowledge of the skin and unique pathological skills, they are able to remove only diseased tissue, preserving healthy tissue and minimizing the cosmetic impact of the surgery. Mohs surgeons who belong to the American College of Mohs Surgery (ACMS) have completed a minimum of one year of fellowship training at one of the ACMS-approved training centers in the U.S.
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) |
|---|---|---|---|---|
| 1 | 207N00000X | Allopathic & Osteopathic Physicians | Dermatology | 204164 (NY) |
| 2 | 207NS0135X | Allopathic & Osteopathic Physicians | Dermatology | 204164 (NY) |
Group Taxonomy 193400000X MULTIPLE SINGLE SPECIALTY GROUP
This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.
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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 1992982748, we treat the final digit (8) 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 82. The final step is to find the difference between that total and the next multiple of ten (90 - 82 = 8).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 82 is 90. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1992982748, enumerated as an "organization" on January 23, 2008.
The provider is located at 425 COUNTY ROAD 39A STE 201 SOUTHAMPTON, NY 11968 and the phone number is (631) 283-0002.
Dermatology with taxonomy code 207ND0101X and a focus in MOHS-Micrographic Surgery.
