DONALD H HOLDER MD
NPI 1083621627
Orthopaedic Surgery in Rockford, IL

NPI Status: Active since August 02, 2006

Contact Information

1235 N MULFORD RD
ROCKFORD, IL
ZIP 61107
Phone: (815) 637-8637

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  • Individual
  • Male
  • Orthopaedic Surgery

About DONALD HOLDER

This page provides the complete NPI Profile along with additional information for Donald Holder, a provider established in Rockford, Illinois with a medical specialization in Orthopaedic Surgery. The healthcare provider is registered in the NPI registry with number 1083621627 assigned on August 2006. The practitioner's primary taxonomy code is 207X00000X. The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1083621627
Provider Name
DONALD H HOLDER MD
Gender
Male
Entity Type
Individual
Location Address
1235 N MULFORD RD ROCKFORD, IL 61107
Location Phone
(815) 637-8637
Mailing Address
1235 N MULFORD RD ROCKFORD, IL 61107
Mailing Phone
(815) 637-8637
Is Sole Proprietor?
No
Enumeration Date
08-02-2006
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

Orthopaedic Surgery

Taxonomy Code
207X00000X
Type
Allopathic & Osteopathic Physicians
License State
IL
Taxonomy Description
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.

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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 1083621627, 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 53. The final step is to find the difference between that total and the next multiple of ten (60 - 53 = 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
0
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
3
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
2
Unchanged
Pos 7
1
Doubled → 2
Pos 8
6
Unchanged
Pos 9
2
Doubled → 4
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 6 → 12 → 3 1 → 2 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 1 + 6 + 3 + 1 + 2 + 2 + 2 + 6 + 4 + 24 = 53

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

The next multiple of ten after 53 is 60. The difference is the calculated check digit.

60 - 53 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1083621627.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Orthopaedic Surgery
1235 N MULFORD RD
ROCKFORD, IL 61107
Physical Medicine & Rehabilitation
1235 N MULFORD RD
ROCKFORD, IL 61107
Orthopaedic Surgery
1235 N MULFORD RD, STE 100
ROCKFORD, IL 61107
Orthopaedic Surgery
1235 N MULFORD RD, SUITE 100
ROCKFORD, IL 61107
Orthopaedic Surgery
1235 N MULFORD RD
ROCKFORD, IL 61107
Otolaryngology
1235 N MULFORD RD, SUITE 100
ROCKFORD, IL 61107
Dermatology (MOHS-Micrographic Surgery)
1235 N MULFORD RD, SUITE 100
ROCKFORD, IL 61107
Internal Medicine (Pulmonary Disease)
1235 N MULFORD RD, SUITE 100
ROCKFORD, IL 61107
Neurological Surgery
1235 N MULFORD RD, SUITE 210
ROCKFORD, IL 61107
Counselor (Professional)
1235 N MULFORD RD, SUITE 200
ROCKFORD, IL 61107
Clinic/Center (Pain)
1235 N MULFORD RD
ROCKFORD, IL 61107
Clinic/Center (End-Stage Renal Disease (ESRD) Treatment)
1235 N MULFORD RD
ROCKFORD, IL 61107
Orthopaedic Surgery (Orthopaedic Trauma)
1235 N MULFORD RD, SUITE 103
ROCKFORD, IL 61107
Ophthalmology (Retina Specialist)
1235 N MULFORD RD, SUITE 100
ROCKFORD, IL 61107
Ophthalmology (Retina Specialist)
1235 N MULFORD RD, SUITE 100
ROCKFORD, IL 61107
Nurse Practitioner
1235 N MULFORD RD, SUITE 222
ROCKFORD, IL 61107
Nurse Practitioner
1235 N MULFORD RD, SUITE 222
ROCKFORD, IL 61107
Obstetrics & Gynecology (Gynecology)
1235 N MULFORD RD, STE 200
ROCKFORD, IL 61107
Nurse Practitioner
1235 N MULFORD RD, SUITE 205
ROCKFORD, IL 61107
Dermatology
1235 N MULFORD RD, SUITE 205
ROCKFORD, IL 61107

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1083621627, enumerated as an "individual" on August 02, 2006.

The provider is located at 1235 N MULFORD RD ROCKFORD, IL 61107 and the phone number is (815) 637-8637.

Orthopaedic Surgery with taxonomy code 207X00000X.