MS. CRYSTAL LYNN PARKHURST RN
NPI 1144111543
Registered Nurse - Psychiatric/Mental Health in Phoenix, NY

NPI Status: Active since July 14, 2025

Contact Information

61 CHESTNUT ST LOT 3
PHOENIX, NY
ZIP 13135
Phone: (315) 882-0639

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  • Individual
  • Female
  • Registered Nurse
  • Psychiatric/Mental Health

About CRYSTAL PARKHURST

This page provides the complete NPI Profile along with additional information for Crystal Parkhurst, a provider established in Phoenix, New York with a medical specialization in Registered Nurse, focusing in psychiatric/mental health . The healthcare provider is registered in the NPI registry with number 1144111543 assigned on July 2025. The practitioner's primary taxonomy code is 163WP0808X with license number 941324-01 (NY). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1144111543
Provider Name
MS. CRYSTAL LYNN PARKHURST RN
Gender
Female
Entity Type
Individual
Location Address
61 CHESTNUT ST LOT 3 PHOENIX, NY 13135
Location Phone
(315) 882-0639
Mailing Address
61 CHESTNUT ST LOT 3 PHOENIX, NY 13135
Mailing Phone
(315) 882-0639
Is Sole Proprietor?
Yes
Enumeration Date
07-14-2025
Last Update Date
07-14-2025
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A registered nurse (RN) like Crystal Parkhurst coordinates and provides patient care and educates patients about various health conditions. Registered nurses give advice and emotional support to patients and their families. The typical duties of a registered nurse include: assessing patient conditions, record medical histories and symptoms, observe patients and record the observations, administer medicines and treatments, consult and collaborate with doctors, operate and monitor medical equipment, teach patients and families how to manage injuries or illnesses, etc.

Registered nurses typically work as part of a team with physicians and other healthcare professionals. In some medical teams registered nurses supervise nursing assistants, licensed practical nurses, and home health aides.

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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

Registered Nurse Psychiatric/Mental Health

Taxonomy Code
163WP0808X
Type
Nursing Service Providers
License No.
941324-01
License State
NY

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1163W00000XNursing Service Providers

Registered Nurse

941324-01 (NY)
2163WG0000XNursing Service Providers

Registered Nurse
General Practice

941324-01 (NY)

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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 1144111543, we treat the final digit (3) 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).

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
1
Unchanged
Pos 3
4
Doubled → 8
Pos 4
4
Unchanged
Pos 5
1
Doubled → 2
Pos 6
1
Unchanged
Pos 7
1
Doubled → 2
Pos 8
5
Unchanged
Pos 9
4
Doubled → 8
Check
3
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 4 → 8 1 → 2 1 → 2 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 8 + 4 + 2 + 1 + 2 + 5 + 8 + 24 = 57

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

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1144111543.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1144111543, enumerated as an "individual" on July 14, 2025.

The provider is located at 61 CHESTNUT ST LOT 3 PHOENIX, NY 13135 and the phone number is (315) 882-0639.

Registered Nurse with taxonomy code 163WP0808X and a focus in Psychiatric/Mental Health.