MS. CRYSTAL MARSHALL CCMA
NPI 1306791983
Technician, Pathology - Phlebotomy in Avon, OH

NPI Status: Active since February 28, 2026

Contact Information

35966 DETROIT RD
AVON, OH
ZIP 44011
Phone: (440) 865-4165
Fax: (440) 529-2055

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  • Individual
  • Female
  • Technician, Pathology
  • Phlebotomy

About CRYSTAL MARSHALL

This page provides the complete NPI Profile along with additional information for Crystal Marshall, a provider established in Avon, Ohio with a medical specialization in Technician, Pathology, focusing in phlebotomy . The healthcare provider is registered in the NPI registry with number 1306791983 assigned on February 2026. The practitioner's primary taxonomy code is 246RP1900X. The provider is registered as an individual and her NPI record was last updated February 2026.

NPI
1306791983
Provider Name
MS. CRYSTAL MARSHALL CCMA
Gender
Female
Entity Type
Individual
Location Address
35966 DETROIT RD AVON, OH 44011
Location Phone
(440) 865-4165
Location Fax
(440) 529-2055
Mailing Address
2114 ELYRIA AVE LORAIN, OH 44052
Mailing Phone
(440) 865-4165
Mailing Fax
(440) 529-2055
Is Sole Proprietor?
Yes
Enumeration Date
02-28-2026
Last Update Date
02-28-2026
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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

Technician, Pathology Phlebotomy

Taxonomy Code
246RP1900X
Type
Technologists, Technicians & Other Technical Service Providers

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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 1306791983, 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 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
3
Unchanged
Pos 3
0
Doubled → 0
Pos 4
6
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
9
Unchanged
Pos 7
1
Doubled → 2
Pos 8
9
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
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 0 → 0 7 → 14 → 5 1 → 2 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 0 + 6 + 1 + 4 + 9 + 2 + 9 + 1 + 6 + 24 = 67

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

The next multiple of ten after 67 is 70. The difference is the calculated check digit.

70 - 67 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1306791983.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1306791983, enumerated as an "individual" on February 28, 2026.

The provider is located at 35966 DETROIT RD AVON, OH 44011 and the phone number is (440) 865-4165.

Technician, Pathology with taxonomy code 246RP1900X and a focus in Phlebotomy.