CRYSTAL A CROSSEN PEER RECOVERY SPECIA
NPI 1720547680
Peer Specialist in Providence, RI

NPI Status: Active since March 19, 2019

Contact Information

344 WASHINGTON STREET
PROVIDENCE, RI
ZIP 02903
Phone: (401) 272-3018
Fax: (401) 272-1099

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  • Individual
  • Female
  • Peer Specialist

About CRYSTAL CROSSEN

This page provides the complete NPI Profile along with additional information for Crystal Crossen, a provider established in Providence, Rhode Island with a medical specialization in Peer Specialist. The healthcare provider is registered in the NPI registry with number 1720547680 assigned on March 2019. The practitioner's primary taxonomy code is 175T00000X. The provider is registered as an individual and her NPI record was last updated 7 years ago.

NPI
1720547680
Provider Name
CRYSTAL A CROSSEN PEER RECOVERY SPECIA
Gender
Female
Entity Type
Individual
Location Address
344 WASHINGTON STREET PROVIDENCE, RI 02903
Location Phone
(401) 272-3018
Location Fax
(401) 272-1099
Mailing Address
2756 POST ROAD WARWICK, RI 02886
Mailing Phone
(401) 691-6000
Mailing Fax
(401) 272-1099
Is Sole Proprietor?
No
Enumeration Date
03-19-2019
Last Update Date
03-19-2019
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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

Peer Specialist

Taxonomy Code
175T00000X
Type
Other Service Providers
Taxonomy Description
Individuals certified to perform peer support services through a training process defined by a government agency, such as the Department of Veterans Affairs or a state mental health department/certification/licensing authority.

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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 1720547680, 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
7
Unchanged
Pos 3
2
Doubled → 4
Pos 4
0
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
4
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
6
Unchanged
Pos 9
8
Doubled → 16 → 1 + 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 2 → 4 5 → 10 → 1 7 → 14 → 5 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 4 + 0 + 1 + 0 + 4 + 1 + 4 + 6 + 1 + 6 + 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 1720547680.

Other Providers at the Same Location


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

Registered Nurse
344 WASHINGTON STREET
PROVIDENCE, RI 02903
Peer Specialist
344 WASHINGTON STREET
PROVIDENCE, RI 02903

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1720547680, enumerated as an "individual" on March 19, 2019.

The provider is located at 344 WASHINGTON STREET PROVIDENCE, RI 02903 and the phone number is (401) 272-3018.

Peer Specialist with taxonomy code 175T00000X.