MICHAEL S COHEN MD PC
NPI 1336853340
Otolaryngology - Otolaryngology/Facial Plastic Surgery in Syosset, NY
NPI Status: Active since January 13, 2023
Contact Information
575 UNDERHILL BLVD STE 175
SYOSSET, NY
ZIP 11791
Phone: (516) 921-6780
Fax: (516) 921-9176
Some details in this NPI profile have been updated in the NPI registry within the last 30 days.
- Organization
- Otolaryngology
- Otolaryngology/Facial Plastic Surgery
- CLIA Number: 33D2296281
- CLIA Cert. Type: Physician Office
- CLIA Exp. Date: 12-25-2027
About MICHAEL S COHEN MD PC
This page provides the complete NPI Profile along with additional information for Michael S Cohen Md Pc, a provider established in Syosset, New York operating as a Otolaryngology, focusing in otolaryngology/facial plastic surgery . The healthcare provider is registered in the NPI registry with number 1336853340 assigned on January 2023. The practitioner's primary taxonomy code is 207YX0905X. The provider is registered as an organization and their NPI record was last updated May 2026. Michael S Cohen Md Pc operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Dr. Michael Sam Cohen Md (Owner)
- NPI
- 1336853340
- Provider Name
- MICHAEL S COHEN MD PC
- Entity Type
- Organization
- Location Address
- 575 UNDERHILL BLVD STE 175 SYOSSET, NY 11791
- Location Phone
- (516) 921-6780
- Location Fax
- (516) 921-9176
- Mailing Address
- 130 STIRRUP LN SYOSSET, NY 11791
- Mailing Phone
- (516) 850-7177
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 01-13-2023
- Last Update Date
- 05-29-2026
- Code Navigator
Location Map
Secondary Locations
- 106 Crystal Brook Hollow Rd Ste A
Port Jefferson Station, NY 11776
(631) 509-5250 - 100 E Sunrise highway
Lindenhurst, NY 11757
(631) 991-9918
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
Otolaryngology Otolaryngology/Facial Plastic Surgery
- Taxonomy Code
- 207YX0905X
- Type
- Allopathic & Osteopathic Physicians
- Taxonomy Description
- An otolaryngologist who specializes in the diagnosis and surgical treatment of head and neck conditions.
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 | 207KA0200X | Allopathic & Osteopathic Physicians | Allergy & Immunology |
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.
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
- 33D2296281
- Facility Type
- Physician Office
- Certificate Effective Date
- December 26, 2025
- Certificate Expiration Date
- December 25, 2027
- Laboratory Director
- DR. MICHAEL S. COHEN
- Certificate Type
- Certificate of Waiver
- Certificate Type Description
- This CLIA certificate is issued to Michael S Cohen Md Pc to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.
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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 1336853340, we treat the final digit (0) 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 70. The final step is to find the difference between that total and the next multiple of ten (70 - 70 = 0).
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 70 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 5 providers are registered at the same or a nearby location.
SYOSSET, NY 11791
SYOSSET, NY 11791
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1336853340, enumerated as an "organization" on January 13, 2023.
The provider is located at 575 UNDERHILL BLVD STE 175 SYOSSET, NY 11791 and the phone number is (516) 921-6780.
Otolaryngology with taxonomy code 207YX0905X and a focus in Otolaryngology/Facial Plastic Surgery.
