GREENLEAF PSYCHIATRY
NPI 1144195967
Clinic/Center - Adult Mental Health in Westport, CT

NPI Status: Active since October 09, 2025

Contact Information

1698 POST RD E STE 2A
WESTPORT, CT
ZIP 06880
Phone: (203) 872-5839

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  • Organization
  • Clinic/Center
  • Adult Mental Health

About GREENLEAF PSYCHIATRY

This page provides the complete NPI Profile along with additional information for Greenleaf Psychiatry, a provider established in Westport, Connecticut operating as a Clinic/center, focusing in adult mental health . The healthcare provider is registered in the NPI registry with number 1144195967 assigned on October 2025. The practitioner's primary taxonomy code is 261QM0850X. The provider is registered as an organization and their NPI record was last updated one year ago. The authorized official of this NPI record is Sandip Khatri Do (Physician)

NPI
1144195967
Provider Name
GREENLEAF PSYCHIATRY
Entity Type
Organization
Location Address
1698 POST RD E STE 2A WESTPORT, CT 06880
Location Phone
(203) 872-5839
Mailing Address
1698 POST RD E STE 2A WESTPORT, CT 06880
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
10-09-2025
Last Update Date
10-09-2025
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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

Clinic/Center Adult Mental Health

Taxonomy Code
261QM0850X
Type
Ambulatory Health Care Facilities
Taxonomy Description
An entity, facility, or distinct part of a facility providing diagnostic, treatment, and prescriptive services related to mental and behavioral disorders in adults.

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

SANDIP KHATRI DO

Authorized Official Title
PHYSICIAN
Authorized Official Phone
(646) 255-0316

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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 1144195967, 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.

Pos 1
1
Doubled → 2
Pos 2
1
Unchanged
Pos 3
4
Doubled → 8
Pos 4
4
Unchanged
Pos 5
1
Doubled → 2
Pos 6
9
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
9
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
7
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 4 → 8 1 → 2 5 → 10 → 1 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 8 + 4 + 2 + 9 + 1 + 0 + 9 + 1 + 2 + 24 = 63

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.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1144195967.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Social Worker (Clinical)
1698 POST RD E STE 2A
WESTPORT, CT 06880
Psychiatry & Neurology (Psychiatry)
1698 POST RD E STE 2A
WESTPORT, CT 06880

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1144195967, enumerated as an "organization" on October 09, 2025.

The provider is located at 1698 POST RD E STE 2A WESTPORT, CT 06880 and the phone number is (203) 872-5839.

Clinic/Center with taxonomy code 261QM0850X and a focus in Adult Mental Health.