R GREGORY FIELD PHD INC
NPI 1306720412
Psychologist - Clinical in Westport, CT

NPI Status: Active since August 01, 2025

Contact Information

246 POST RD E
WESTPORT, CT
ZIP 06880
Phone: (203) 767-8914

Get Directions Write a Review

  • Organization
  • Psychologist
  • Clinical

About R GREGORY FIELD PHD INC

This page provides the complete NPI Profile along with additional information for R Gregory Field Phd Inc, a provider established in Westport, Connecticut operating as a Psychologist, focusing in clinical . The healthcare provider is registered in the NPI registry with number 1306720412 assigned on August 2025. The practitioner's primary taxonomy code is 103TC0700X. The provider is registered as an organization and their NPI record was last updated one year ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Robert Gregory Field Phd (Psychologist)

NPI
1306720412
Provider Name
R GREGORY FIELD PHD INC
Entity Type
Organization
Location Address
246 POST RD E WESTPORT, CT 06880
Location Phone
(203) 767-8914
Mailing Address
21 SLUMBER CORS WESTON, CT 06883
Mailing Phone
(203) 767-8914
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
08-01-2025
Last Update Date
08-01-2025
Code Navigator

A clinical psychologist like R Gregory Field Phd Inc assesses, diagnoses, and treats mental, emotional, and behavioral disorders. Clinical psychologists help people deal with problems ranging from short-term personal issues to severe, chronic conditions. Clinical psychologists interview patients, give diagnostic tests, provide psychotherapy and design behavior modification programs to help patients.

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

Psychologist Clinical

Taxonomy Code
103TC0700X
Type
Behavioral Health & Social Service Providers
Taxonomy Description
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

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

ROBERT GREGORY FIELD PHD

Authorized Official Title
PSYCHOLOGIST
Authorized Official Phone
(203) 767-8914

Reviews for R GREGORY FIELD PHD INC

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

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 1306720412, we treat the final digit (2) 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 48. The final step is to find the difference between that total and the next multiple of ten (50 - 48 = 2).

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
0
Doubled → 0
Pos 4
6
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
2
Unchanged
Pos 7
0
Doubled → 0
Pos 8
4
Unchanged
Pos 9
1
Doubled → 2
Check
2
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 0 → 0 7 → 14 → 5 0 → 0 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 0 + 6 + 1 + 4 + 2 + 0 + 4 + 2 + 24 = 48

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

The next multiple of ten after 48 is 50. The difference is the calculated check digit.

50 - 48 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1306720412.

Other Providers at the Same Location


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

Acupuncturist
246 POST RD E
WESTPORT, CT 06880
Psychologist
246 POST RD E
WESTPORT, CT 06880

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1306720412, enumerated as an "organization" on August 01, 2025.

The provider is located at 246 POST RD E WESTPORT, CT 06880 and the phone number is (203) 767-8914.

Psychologist with taxonomy code 103TC0700X and a focus in Clinical.