GIANNA MICHALSKI
NPI 1790666097
Physiological Laboratory in Shirley, NY
NPI Status: Active since September 11, 2025
Contact Information
520 SLEEPY HOLLOW DR
SHIRLEY, NY
ZIP 11967
Phone: (631) 428-7319
- Individual
- Female
- Physiological Laboratory
About GIANNA MICHALSKI
This page provides the complete NPI Profile along with additional information for Gianna Michalski, a provider established in Shirley, New York with a medical specialization in Physiological Laboratory. The healthcare provider is registered in the NPI registry with number 1790666097 assigned on September 2025. The practitioner's primary taxonomy code is 293D00000X. The provider is registered as an individual and her NPI record was last updated one year ago.
- NPI
- 1790666097
- Provider Name
- GIANNA MICHALSKI
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 520 SLEEPY HOLLOW DR SHIRLEY, NY 11967
- Location Phone
- (631) 428-7319
- Mailing Address
- 520 SLEEPY HOLLOW DR SHIRLEY, NY 11967
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 09-11-2025
- 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
Physiological Laboratory
- Taxonomy Code
- 293D00000X
- Type
- Laboratories
- License State
- NY
- Taxonomy Description
- A laboratory that operates independently of a hospital and physician's office to furnish physiological diagnostic services (e.g. EEG's , EKG's, scans, etc.). Facilities offering ONLY physiological services are not certified as independent laboratories. If an independent laboratory offers physiological services IN ADDITION to clinical laboratory services, they are surveyed only for compliance with the clinical laboratory regulations because there are no health and safety regulations for physiological services.
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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 1790666097, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).
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 63 is 70. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1790666097, enumerated as an "individual" on September 11, 2025.
The provider is located at 520 SLEEPY HOLLOW DR SHIRLEY, NY 11967 and the phone number is (631) 428-7319.
Physiological Laboratory with taxonomy code 293D00000X.
