CRYSTAL ERVIN
NPI 1588465397
Home Health in Lansdale, PA

NPI Status: Active since March 19, 2025

Contact Information

630 PENNBROOK AVE
LANSDALE, PA
ZIP 19446
Phone: (267) 971-1974

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  • Individual
  • Female
  • Home Health

About CRYSTAL ERVIN

This page provides the complete NPI Profile along with additional information for Crystal Ervin, a provider established in Lansdale, Pennsylvania with a medical specialization in Home Health. The healthcare provider is registered in the NPI registry with number 1588465397 assigned on March 2025. The practitioner's primary taxonomy code is 251E00000X with license number 84853601 (PA). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1588465397
Provider Name
CRYSTAL ERVIN
Gender
Female
Entity Type
Individual
Location Address
630 PENNBROOK AVE LANSDALE, PA 19446
Location Phone
(267) 971-1974
Mailing Address
630 PENNBROOK AVE LANSDALE, PA 19446
Mailing Phone
(267) 971-1974
Is Sole Proprietor?
Yes
Enumeration Date
03-19-2025
Last Update Date
03-19-2025
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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

Home Health

Taxonomy Code
251E00000X
Type
Agencies
License No.
84853601
License State
PA
Taxonomy Description
A public agency or private organization, or a subdivision of such an agency or organization, that is primarily engaged in providing skilled nursing services and other therapeutic services, such as physical therapy, speech-language pathology services, or occupational therapy, medical social services, and home health aide services. It has policies established by a professional group associated with the agency or organization (including at least one physician and one registered nurse) to govern the services and provides for supervision of such services by a physician or a registered nurse; maintains clinical records on all patients; is licensed in accordance with State or local law or is approved by the State or local licensing agency as meeting the licensing standards, where applicable; and meets other conditions found by the Secretary of Health and Human Services to be necessary for health and safety.

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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 1588465397, we treat the final digit (7) 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 73. The final step is to find the difference between that total and the next multiple of ten (80 - 73 = 7).

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
5
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
8
Unchanged
Pos 5
4
Doubled → 8
Pos 6
6
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
3
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
7
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 8 → 16 → 7 4 → 8 5 → 10 → 1 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 1 + 6 + 8 + 8 + 6 + 1 + 0 + 3 + 1 + 8 + 24 = 73

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

The next multiple of ten after 73 is 80. The difference is the calculated check digit.

80 - 73 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1588465397.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1588465397, enumerated as an "individual" on March 19, 2025.

The provider is located at 630 PENNBROOK AVE LANSDALE, PA 19446 and the phone number is (267) 971-1974.

Home Health with taxonomy code 251E00000X.