KRYSTAL SUNNY CHEN
NPI 1255133559
Doula in Brooklyn, NY
NPI Status: Active since March 26, 2025
Contact Information
631 4TH AVE # 3014
BROOKLYN, NY
ZIP 11232
Phone: (646) 883-1305
- Individual
- Female
- Doula
About KRYSTAL CHEN
This page provides the complete NPI Profile along with additional information for Krystal Chen, a provider established in Brooklyn, New York with a medical specialization in Doula. The healthcare provider is registered in the NPI registry with number 1255133559 assigned on March 2025. The practitioner's primary taxonomy code is 374J00000X. The provider is registered as an individual and her NPI record was last updated March 2025.
- NPI
- 1255133559
- Provider Name
- KRYSTAL SUNNY CHEN
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 631 4TH AVE # 3014 BROOKLYN, NY 11232
- Location Phone
- (646) 883-1305
- Mailing Address
- 631 4TH AVE # 3014 BROOKLYN, NY 11232
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 03-26-2025
- Last Update Date
- 03-26-2025
- Code Navigator
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
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.
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NPI Validation Check Digit Calculation
The following table explains the step by step NPI number validation process using the ISO standard Luhn algorithm.
| Start with the original NPI number, the last digit is the check digit and is not used in the calculation. | |||||||||
| 1 | 2 | 5 | 5 | 1 | 3 | 3 | 5 | 5 | 9 |
| Step 1: Double the value of the alternate digits, beginning with the rightmost digit. | |||||||||
| 2 | 2 | 10 | 5 | 2 | 3 | 6 | 5 | 10 | |
| Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24. | |||||||||
| 2 + 2 + 1 + 0 + 5 + 2 + 3 + 6 + 5 + 1 + 0 + 24 = 51 | |||||||||
| Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit. | |||||||||
| 60 - 51 = 9 | 9 | ||||||||
The NPI number 1255133559 is valid because the calculated check digit 9 using the Luhn validation algorithm matches the last digit of the original NPI number.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1255133559, enumerated in the NPI registry as an "individual" on March 26, 2025
The provider is located at 631 4th Ave # 3014 Brooklyn, Ny 11232 and the phone number is (646) 883-1305
The provider's speciality is Doula with taxonomy code 374J00000X
This NPI record was last updated on March 26, 2025. To officially update your NPI information contact the National Plan and Provider Enumeration System (NPPES) at 1-800-465-3203 (NPI Toll-Free) or by email at [email protected].
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