DR. JOHN P. LEICHNER, P.C.
NPI 1891909677
Surgery in Philadelphia, PA

NPI Status: Active since May 10, 2007

Contact Information

10900 KNIGHTS RD
PHILADELPHIA, PA
ZIP 19154
Phone: (215) 632-0693
Fax: (215) 637-1681

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  • Organization
  • Surgery

About DR. JOHN P. LEICHNER, P.C.

This page provides the complete NPI Profile along with additional information for Dr. John P. Leichner, P.c., a provider established in Philadelphia, Pennsylvania operating as a Surgery. The healthcare provider is registered in the NPI registry with number 1891909677 assigned on May 2007. The practitioner's primary taxonomy code is 208600000X with license number MD023910E (PA). The provider is registered as an organization and their NPI record was last updated 6 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is John P. Leichner Md (Owner/physician)

NPI
1891909677
Provider Name
DR. JOHN P. LEICHNER, P.C.
Entity Type
Organization
Location Address
10900 KNIGHTS RD PHILADELPHIA, PA 19154
Location Phone
(215) 632-0693
Location Fax
(215) 637-1681
Mailing Address
10900 KNIGHTS RD PHILADELPHIA, PA 19154
Mailing Phone
(215) 632-0693
Mailing Fax
(215) 637-1681
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
05-10-2007
Last Update Date
03-03-2020
Code Navigator

A surgeon like Dr. John P. Leichner, P.c. treats injuries, diseases, and deformities through surgical operations. A surgeon could correct physical deformities, repair bone and tissue, or perform preventive or elective surgeries. Surgeons also examine patients, perform and interpret diagnostic tests, and provide counsel on preventive healthcare.

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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

Surgery

Taxonomy Code
208600000X
Type
Allopathic & Osteopathic Physicians
License No.
MD023910E
License State
PA
Taxonomy Description
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

JOHN P. LEICHNER MD

Authorized Official Title
OWNER/PHYSICIAN
Authorized Official Phone
(215) 632-0693

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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 1891909677, 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
8
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
1
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
0
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
6
Unchanged
Pos 9
7
Doubled → 14 → 1 + 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 9 → 18 → 9 9 → 18 → 9 9 → 18 → 9 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 8 + 1 + 1 + 8 + 0 + 1 + 8 + 6 + 1 + 4 + 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 1891909677.

Other Providers at the Same Location


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

Surgery
10900 KNIGHTS RD
PHILADELPHIA, PA 19154
Surgery
10900 KNIGHTS RD
PHILADELPHIA, PA 19154

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1891909677, enumerated as an "organization" on May 10, 2007.

The provider is located at 10900 KNIGHTS RD PHILADELPHIA, PA 19154 and the phone number is (215) 632-0693.

Surgery with taxonomy code 208600000X.