DONNA MERKEL
NPI 1821291667
Physical Therapist - Sports in Downingtown, PA

NPI Status: Active since June 08, 2007

Contact Information

99 MANOR AVE
DOWNINGTOWN, PA
ZIP 19335
Phone: (610) 518-5845
Fax: (610) 518-5846

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  • Individual
  • Female
  • Physical Therapist
  • Sports

About DONNA MERKEL

This page provides the complete NPI Profile along with additional information for Donna Merkel, a provider established in Downingtown, Pennsylvania with a medical specialization in Physical Therapist, focusing in sports . The healthcare provider is registered in the NPI registry with number 1821291667 assigned on June 2007. The practitioner's primary taxonomy code is 2251S0007X with license number DAPT000872 (PA). The provider is registered as an individual and her NPI record was last updated 19 years ago.

NPI
1821291667
Provider Name
DONNA MERKEL
Gender
Female
Entity Type
Individual
Location Address
99 MANOR AVE DOWNINGTOWN, PA 19335
Location Phone
(610) 518-5845
Location Fax
(610) 518-5846
Mailing Address
120 JAMIE LN COATESVILLE, PA 19320
Is Sole Proprietor?
No
Enumeration Date
06-08-2007
Last Update Date
07-08-2007
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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

Physical Therapist Sports

Taxonomy Code
2251S0007X
Type
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
License No.
DAPT000872
License State
PA
Taxonomy Description
A licensed physical therapist, including but not limited to an individual who is a Board Certified Specialist in Sports Physical Therapy, who has demonstrated specialized knowledge and skill in human anatomy and physiology, movement science, pathology and pathophysiology, medical and surgical intervention, and health and wellness, as well as rehabilitation/return to sports, management of acute injury/illness, medical and surgical consideration, injury prevention, and sports performance enhancement.

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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 1821291667, 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 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
8
Unchanged
Pos 3
2
Doubled → 4
Pos 4
1
Unchanged
Pos 5
2
Doubled → 4
Pos 6
9
Unchanged
Pos 7
1
Doubled → 2
Pos 8
6
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
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 2 → 4 2 → 4 1 → 2 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 4 + 1 + 4 + 9 + 2 + 6 + 1 + 2 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1821291667.

Other Providers at the Same Location


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

Physical Therapist (Orthopedic)
99 MANOR AVE
DOWNINGTOWN, PA 19335
Family Medicine
99 MANOR AVE
DOWNINGTOWN, PA 19335

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1821291667, enumerated as an "individual" on June 08, 2007.

The provider is located at 99 MANOR AVE DOWNINGTOWN, PA 19335 and the phone number is (610) 518-5845.

Physical Therapist with taxonomy code 2251S0007X and a focus in Sports.