GREENWICH HOSPITAL
NPI 1326229279
General Acute Care Hospital in Greenwich, CT

NPI Status: Active since November 20, 2007

Contact Information

55 HOLLY HILL LN
GREENWICH, CT
ZIP 06830
Phone: (203) 863-3786
Fax: (203) 863-3744

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  • Organization
  • General Acute Care Hospital

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 General Acute Care Hospital. The healthcare provider is registered in the NPI registry with number 1326229279 assigned on November 2007. The practitioner's primary taxonomy code is 282N00000X with license number R35320 (CT). The provider is registered as an organization and their NPI record was last updated 19 years ago. The authorized official of this NPI record is Mrs. Diane Stephanie Demain Rn (Diabetes Nurse Educator)

NPI
1326229279
Provider Name
GREENWICH HOSPITAL
Entity Type
Organization
Location Address
55 HOLLY HILL LN GREENWICH, CT 06830
Location Phone
(203) 863-3786
Location Fax
(203) 863-3744
Mailing Address
55 HOLLY HILL LN GREENWICH, CT 06830
Mailing Phone
(203) 863-3786
Mailing Fax
(203) 863-3744
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
11-20-2007
Last Update Date
11-20-2007
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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

General Acute Care Hospital

Taxonomy Code
282N00000X
Type
Hospitals
License No.
R35320
License State
CT
Taxonomy Description
An acute general hospital is an institution whose primary function is to provide inpatient diagnostic and therapeutic services for a variety of medical conditions, both surgical and non-surgical, to a wide population group. The hospital treats patients in an acute phase of illness or injury, characterized by a single episode or a fairly short duration, from which the patient returns to his or her normal or previous level of activity.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

MRS. DIANE STEPHANIE DEMAIN RN

Authorized Official Title
DIABETES NURSE EDUCATOR
Authorized Official Phone
(203) 863-3786

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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 1326229279, 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 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.

Pos 1
1
Doubled → 2
Pos 2
3
Unchanged
Pos 3
2
Doubled → 4
Pos 4
6
Unchanged
Pos 5
2
Doubled → 4
Pos 6
2
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
2
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
9
Target digit
Regular digit Doubled digit Check digit

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.

1 → 2 2 → 4 2 → 4 9 → 18 → 9 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 3 + 4 + 6 + 4 + 2 + 1 + 8 + 2 + 1 + 4 + 24 = 61

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1326229279.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Specialist
55 HOLLY HILL LN, SUITE 210
GREENWICH, CT 06830
Internal Medicine (Cardiovascular Disease)
55 HOLLY HILL LN, SUITE 240
GREENWICH, CT 06830
Dietitian, Registered
55 HOLLY HILL LN, HEALTHY LIVING CENTER AT GREENWICH HOSPITAL
GREENWICH, CT 06830
Dietitian, Registered
55 HOLLY HILL LN
GREENWICH, CT 06830
Clinic/Center (Ophthalmologic Surgery)
55 HOLLY HILL LN
GREENWICH, CT 06830
Obstetrics & Gynecology (Reproductive Endocrinology)
55 HOLLY HILL LN, SUITE 270
GREENWICH, CT 06830
Nurse Practitioner
55 HOLLY HILL LN
GREENWICH, CT 06830
Internal Medicine (Endocrinology, Diabetes & Metabolism)
55 HOLLY HILL LN
GREENWICH, CT 06830
Dietitian, Registered
55 HOLLY HILL LN
GREENWICH, CT 06830
Obstetrics & Gynecology
55 HOLLY HILL LN, SUITE 130
GREENWICH, CT 06830
Nurse Practitioner (Adult Health)
55 HOLLY HILL LN, SUITE240
GREENWICH, CT 06830
Internal Medicine (Clinical Cardiac Electrophysiology)
55 HOLLY HILL LN, SUITE 240
GREENWICH, CT 06830
Dietitian, Registered
55 HOLLY HILL LN
GREENWICH, CT 06830
Dietitian, Registered
55 HOLLY HILL LN
GREENWICH, CT 06830
Psychiatry & Neurology (Sleep Medicine)
55 HOLLY HILL LN, SUITE 210
GREENWICH, CT 06830
Psychologist (Clinical)
55 HOLLY HILL LN, SUITE 240
GREENWICH, CT 06830
Internal Medicine (Endocrinology, Diabetes & Metabolism)
55 HOLLY HILL LN, SUITE 150
GREENWICH, CT 06830
Physician Assistant (Surgical)
55 HOLLY HILL LN, 110
GREENWICH, CT 06830
Psychologist
55 HOLLY HILL LN
GREENWICH, CT 06830
Psychologist
55 HOLLY HILL LN
GREENWICH, CT 06830

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1326229279, enumerated as an "organization" on November 20, 2007.

The provider is located at 55 HOLLY HILL LN GREENWICH, CT 06830 and the phone number is (203) 863-3786.

General Acute Care Hospital with taxonomy code 282N00000X.