ROBERT ENGLE ZADEK M.D.
NPI 1790824464
Orthopaedic Surgery in Lutherville, MD

NPI Status: Active since February 06, 2007

Contact Information

3 SEMINARY DR
LUTHERVILLE, MD
ZIP 21093
Phone: (410) 337-6780
Fax: (410) 337-6781

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  • Individual
  • Male
  • Orthopaedic Surgery

About ROBERT ZADEK

This page provides the complete NPI Profile along with additional information for Robert Zadek, a provider established in Lutherville, Maryland with a medical specialization in Orthopaedic Surgery. The healthcare provider is registered in the NPI registry with number 1790824464 assigned on February 2007. The practitioner's primary taxonomy code is 207X00000X with license number D12265 (MD). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1790824464
Provider Name
ROBERT ENGLE ZADEK M.D.
Gender
Male
Entity Type
Individual
Location Address
3 SEMINARY DR LUTHERVILLE, MD 21093
Location Phone
(410) 337-6780
Location Fax
(410) 337-6781
Mailing Address
3 SEMINARY DR LUTHERVILLE, MD 21093
Mailing Phone
(410) 337-6780
Mailing Fax
(410) 337-6781
Is Sole Proprietor?
Yes
Enumeration Date
02-06-2007
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

Orthopaedic Surgery

Taxonomy Code
207X00000X
Type
Allopathic & Osteopathic Physicians
License No.
D12265
License State
MD
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 1790824464, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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
7
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
0
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
2
Unchanged
Pos 7
4
Doubled → 8
Pos 8
4
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
4
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 9 → 18 → 9 8 → 16 → 7 4 → 8 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 1 + 8 + 0 + 1 + 6 + 2 + 8 + 4 + 1 + 2 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1790824464.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1790824464, enumerated as an "individual" on February 06, 2007.

The provider is located at 3 SEMINARY DR LUTHERVILLE, MD 21093 and the phone number is (410) 337-6780.

Orthopaedic Surgery with taxonomy code 207X00000X.