GREEN ANGELS COLLECTIVE
NPI 1912844010
Doula in Stony Brook, NY

NPI Status: Active since April 29, 2026

Contact Information

100 NICOLLS RD
STONY BROOK, NY
ZIP 11794
Phone: (631) 317-7886

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  • Organization
  • Doula

About GREEN ANGELS COLLECTIVE

This page provides the complete NPI Profile along with additional information for Green Angels Collective, a provider established in Stony Brook, New York operating as a Doula. The healthcare provider is registered in the NPI registry with number 1912844010 assigned on April 2026. The practitioner's primary taxonomy code is 374J00000X. The provider is registered as an organization and their NPI record was last updated April 2026. Green Angels Collective operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Miss Angel R. Sheffey Doula (Dt)

NPI
1912844010
Provider Name
GREEN ANGELS COLLECTIVE
Entity Type
Organization
Location Address
100 NICOLLS RD STONY BROOK, NY 11794
Location Phone
(631) 317-7886
Mailing Address
1104 HERKIMER ST APT 2 BROOKLYN, NY 11233
Mailing Phone
(631) 317-7886
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
04-29-2026
Last Update Date
04-29-2026
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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

Doula

Taxonomy Code
374J00000X
Type
Nursing Service Related Providers
Taxonomy Description
Doulas work in a variety of settings and have been trained to provide physical, emotional, and informational support to a mother before, during, and just after birth and/or provide emotional and practical support to a mother during the postpartum period.

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas 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

MISS ANGEL R. SHEFFEY DOULA

Authorized Official Title
DT
Authorized Official Phone
(631) 317-7886

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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 1912844010, 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 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
9
Unchanged
Pos 3
1
Doubled → 2
Pos 4
2
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
4
Unchanged
Pos 7
4
Doubled → 8
Pos 8
0
Unchanged
Pos 9
1
Doubled → 2
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 1 → 2 8 → 16 → 7 4 → 8 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 2 + 2 + 1 + 6 + 4 + 8 + 0 + 2 + 24 = 60

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

The next multiple of ten after 60 is 60. The difference is the calculated check digit.

60 - 60 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1912844010.

Other Providers at the Same Location


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

Specialist/Technologist (Athletic Trainer)
100 NICOLLS RD, SBU, ISC
STONY BROOK, NY 11794
Anesthesiology
100 NICOLLS RD, HSC L4 RM 060
STONY BROOK, NY 11794
Orthopaedic Surgery (Pediatric Orthopaedic Surgery)
100 NICOLLS RD
STONY BROOK, NY 11794
Pediatrics (Pediatric Endocrinology)
100 NICOLLS RD, STONY BROOK HOSPITAL DEPT OF PEDIATRICS HSC T11 ROOM080
STONY BROOK, NY 11794
Internal Medicine
100 NICOLLS RD
STONY BROOK, NY 11794
Pharmacist
100 NICOLLS RD
STONY BROOK, NY 11794
Thoracic Surgery (Cardiothoracic Vascular Surgery)
100 NICOLLS RD, HSC L19-080
STONY BROOK, NY 11794
Thoracic Surgery (Cardiothoracic Vascular Surgery)
100 NICOLLS RD, HSC L19-080
STONY BROOK, NY 11794
Orthopaedic Surgery
100 NICOLLS RD
STONY BROOK, NY 11794
Psychiatry & Neurology (Psychiatry)
100 NICOLLS RD
STONY BROOK, NY 11794
Pediatrics (Pediatric Critical Care Medicine)
100 NICOLLS RD, LEVEL 11, SUITE 040
STONY BROOK, NY 11794
Physician Assistant
100 NICOLLS RD, HSC, T9, RM 040
STONY BROOK, NY 11794
General Practice
100 NICOLLS RD, SUNY STONY BROOK, DEPT. OF PREVENTIVE MEDICINE, HSC L3
STONY BROOK, NY 11794
Nurse Practitioner (Pediatrics)
100 NICOLLS RD, DEPTARMENT OF PEDIATRICS
STONY BROOK, NY 11794
Obstetrics & Gynecology
100 NICOLLS RD, SUNY @ STONY BROOK HSC, L9, RM 020
STONY BROOK, NY 11794
Pediatrics (Pediatric Emergency Medicine)
100 NICOLLS RD, LEVEL 4
STONY BROOK, NY 11794
Nurse Practitioner (Neonatal, Critical Care)
100 NICOLLS RD
STONY BROOK, NY 11794
Pediatrics (Neonatal-Perinatal Medicine)
100 NICOLLS RD, STONY BROOK HOSPITAL
STONY BROOK, NY 11794
Pediatrics
100 NICOLLS RD, PICU, LEVEL 11
STONY BROOK, NY 11794
Dentist (Pediatric Dentistry)
100 NICOLLS RD, ROCKLAND HALL, ROOM 114
STONY BROOK, NY 11794

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1912844010, enumerated as an "organization" on April 29, 2026.

The provider is located at 100 NICOLLS RD STONY BROOK, NY 11794 and the phone number is (631) 317-7886.

Doula with taxonomy code 374J00000X.