DR. MARK IRA EVANS M.D.
NPI 1497891675
Medical Genetics - Clinical Genetics (M.D.) in New York, NY
NPI Status: Active since January 29, 2007
Contact Information
131 E 65TH ST
NEW YORK, NY
ZIP 10021
Phone: (212) 744-2590
Fax: (212) 879-2606
- Individual
- Male
- Medical Genetics
- Clinical Genetics (M.D.)
About MARK EVANS
This page provides the complete NPI Profile along with additional information for Mark Evans, a provider established in New York, New York with a medical specialization in Medical Genetics, focusing in clinical genetics (m.d.) . The healthcare provider is registered in the NPI registry with number 1497891675 assigned on January 2007. The practitioner's primary taxonomy code is 207SG0201X with license number 2261341 (NY). The provider is registered as an individual and his NPI record was last updated one year ago.
- NPI
- 1497891675
- Provider Name
- DR. MARK IRA EVANS M.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 131 E 65TH ST NEW YORK, NY 10021
- Location Phone
- (212) 744-2590
- Location Fax
- (212) 879-2606
- Mailing Address
- 100 OLD PALISADE RD 2906 FORT LEE, NJ 07024
- Mailing Phone
- (201) 585-0686
- Mailing Fax
- (212) 879-2606
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 01-29-2007
- Last Update Date
- 09-11-2025
- Code Navigator
Location Map
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
Medical Genetics Clinical Genetics (M.D.)
- Taxonomy Code
- 207SG0201X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 2261341
- License State
- NY
- Taxonomy Description
- A clinical geneticist demonstrates competence in providing comprehensive diagnostic, management and counseling services for genetic disorders.
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 | 207V00000X | Allopathic & Osteopathic Physicians | Obstetrics & Gynecology | 2261341 (NY) |
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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 1497891675, 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 75. The final step is to find the difference between that total and the next multiple of ten (80 - 75 = 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.
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 75 is 80. The difference is the calculated check digit.
Other Providers at the Same Location
The following 3 providers are registered at the same or a nearby location.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1497891675, enumerated as an "individual" on January 29, 2007.
The provider is located at 131 E 65TH ST NEW YORK, NY 10021 and the phone number is (212) 744-2590.
Medical Genetics with taxonomy code 207SG0201X and a focus in Clinical Genetics (M.D.).
