ALLISON KATE GREEN
NPI 1639023930
Social Worker in New York, NY

NPI Status: Active since February 24, 2026

Contact Information

222 E 31ST ST
NEW YORK, NY
ZIP 10016
Phone: (315) 201-0621
Fax: (646) 536-2626

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  • Individual
  • Female
  • Social Worker

About ALLISON GREEN

This page provides the complete NPI Profile along with additional information for Allison Green, a provider established in New York, New York with a medical specialization in Social Worker. The healthcare provider is registered in the NPI registry with number 1639023930 assigned on February 2026. The practitioner's primary taxonomy code is 104100000X with license number 127365 (NY). The provider is registered as an individual and her NPI record was last updated March 2026.

NPI
1639023930
Provider Name
ALLISON KATE GREEN
Gender
Female
Entity Type
Individual
Location Address
222 E 31ST ST NEW YORK, NY 10016
Location Phone
(315) 201-0621
Location Fax
(646) 536-2626
Mailing Address
222 E 31ST ST NEW YORK, NY 10016
Mailing Phone
(315) 201-0621
Mailing Fax
(646) 536-2626
Is Sole Proprietor?
No
Enumeration Date
02-24-2026
Last Update Date
03-18-2026
Code Navigator

A social worker like Allison Green helps patients solve and cope with problems in their everyday lives, diagnoses and treats mental, behavioral, and emotional problems. Social workers help in wide range of situations, such as adopting a child, illness, divorce, or unemployment.

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

Social Worker

Taxonomy Code
104100000X
Type
Behavioral Health & Social Service Providers
License No.
127365
License State
NY
Taxonomy Description
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.

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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 1639023930, we treat the final digit (0) 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 70. The final step is to find the difference between that total and the next multiple of ten (70 - 70 = 0).

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
6
Unchanged
Pos 3
3
Doubled → 6
Pos 4
9
Unchanged
Pos 5
0
Doubled → 0
Pos 6
2
Unchanged
Pos 7
3
Doubled → 6
Pos 8
9
Unchanged
Pos 9
3
Doubled → 6
Check
0
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 3 → 6 0 → 0 3 → 6 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 6 + 9 + 0 + 2 + 6 + 9 + 6 + 24 = 70

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

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

70 - 70 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1639023930.

Other Providers at the Same Location


The following 6 providers are registered at the same or a nearby location.

Internal Medicine
222 E 31ST ST, SUITE 1R
NEW YORK, NY 10016
Chiropractor
222 E 31ST ST, SUITE 1R
NEW YORK, NY 10016
Internal Medicine
222 E 31ST ST
NEW YORK, NY 10016
Physician Assistant (Medical)
222 E 31ST ST, FLOORS 1,2,B
NEW YORK CITY, NY 10016
Internal Medicine
222 E 31ST ST, 1R
NEW YORK, NY 10016
Internal Medicine
222 E 31ST ST, GROUND FLOOR
NEW YORK, NY 10016

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1639023930, enumerated as an "individual" on February 24, 2026.

The provider is located at 222 E 31ST ST NEW YORK, NY 10016 and the phone number is (315) 201-0621.

Social Worker with taxonomy code 104100000X.