GREENWICH HOSPITAL
NPI 1942825799
Clinic/Center - Multi-Specialty in Greenwich, CT
NPI Status: Active since June 08, 2020
Contact Information
5 PERRYRIDGE RD
GREENWICH, CT
ZIP 06830
Phone: (203) 863-3000
- Organization
- Clinic/Center
- Multi-Specialty
About GREENWICH HOSPITAL
This page provides the complete NPI Profile along with additional information for Greenwich Hospital, a provider established in Greenwich, Connecticut operating as a Clinic/center, focusing in multi-specialty . The healthcare provider is registered in the NPI registry with number 1942825799 assigned on June 2020. The practitioner's primary taxonomy code is 261QM1300X. The provider is registered as an organization and their NPI record was last updated one year ago. The provider's
- NPI
- 1942825799
- Provider Legal Name
- GREENWICH HOSPITAL
- Other Organization Name
- Other Name Type
- (6)
- Entity Type
- Organization
- Location Address
- 5 PERRYRIDGE RD GREENWICH, CT 06830
- Location Phone
- (203) 863-3000
- Mailing Address
- 100 CHURCH ST S # MCS2 NEW HAVEN, CT 06519
- Mailing Phone
- (203) 688-8543
- Mailing Fax
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 06-08-2020
- Last Update Date
- 11-04-2025
- 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
Clinic/Center Multi-Specialty
- Taxonomy Code
- 261QM1300X
- Type
- Ambulatory Health Care Facilities
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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 1942825799, we treat the final digit (9) 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).
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 71 is 80. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
GREENWICH, CT 06830
GREENWICH, CT 06830
GREENWICH, CT 06830
GREENWICH, CT 06830
GREENWICH, CT 06830
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1942825799, enumerated as an "organization" on June 08, 2020.
The provider is located at 5 PERRYRIDGE RD GREENWICH, CT 06830 and the phone number is (203) 863-3000.
Clinic/Center with taxonomy code 261QM1300X and a focus in Multi-Specialty.
