DR. WILLIAM L HENNRIKUS JR. M.D.
NPI 1821013145
Orthopaedic Surgery - Adult Reconstructive Orthopaedic Surgery in Hershey, PA

NPI Status: Active since July 13, 2006

Contact Information

30 HOPE DR STE 2200
HERSHEY, PA
ZIP 17033
Phone: (717) 531-7123
Fax: (717) 531-0385

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  • Individual
  • Male
  • Orthopaedic Surgery
  • Adult Reconstructive Orthopaedic Surgery

About WILLIAM HENNRIKUS

This page provides the complete NPI Profile along with additional information for William Hennrikus, a provider established in Hershey, Pennsylvania with a medical specialization in Orthopaedic Surgery, focusing in adult reconstructive orthopaedic surgery . The healthcare provider is registered in the NPI registry with number 1821013145 assigned on July 2006. The practitioner's primary taxonomy code is 207XS0114X with license number MD058456L (PA). The provider is registered as an individual and his NPI record was last updated 8 years ago.

NPI
1821013145
Provider Name
DR. WILLIAM L HENNRIKUS JR. M.D.
Gender
Male
Entity Type
Individual
Location Address
30 HOPE DR STE 2200 HERSHEY, PA 17033
Location Phone
(717) 531-7123
Location Fax
(717) 531-0385
Mailing Address
PO BOX 858 MC A410 HERSHEY, PA 17033
Mailing Phone
(800) 243-1455
Is Sole Proprietor?
No
Enumeration Date
07-13-2006
Last Update Date
09-18-2018
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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 Adult Reconstructive Orthopaedic Surgery

Taxonomy Code
207XS0114X
Type
Allopathic & Osteopathic Physicians
License No.
MD058456L
License State
PA
Taxonomy Description
Recognized by several state medical boards as a fellowship subspecialty program of orthopaedic surgery, adult reconstructive orthopaedic surgeons deal with reconstructive procedures such as joint arthroplasty (i.e., hip and knee), osteotomy, arthroscopy, soft-tissue reconstruction, and a variety of other adult reconstructive surgical procedures.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207X00000XAllopathic & Osteopathic Physicians

Orthopaedic Surgery

MD058456L (PA)
2207XP3100XAllopathic & Osteopathic Physicians

Orthopaedic Surgery
Pediatric Orthopaedic Surgery

MD058456L (PA)
3207XP3100XAllopathic & Osteopathic Physicians

Orthopaedic Surgery
Pediatric Orthopaedic Surgery

A41574 (CA)
4207XX0005XAllopathic & Osteopathic Physicians

Orthopaedic Surgery
Sports Medicine

MD058456L (PA)

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
00A415740MEDICAID (05)CA 
1022383500001MEDICAID (05)PA 
GR0085690MEDICAID (05)CA 

Reviews for DR. WILLIAM L HENNRIKUS JR. M.D.

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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 1821013145, we treat the final digit (5) 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 55. The final step is to find the difference between that total and the next multiple of ten (60 - 55 = 5).

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
0
Doubled → 0
Pos 6
1
Unchanged
Pos 7
3
Doubled → 6
Pos 8
1
Unchanged
Pos 9
4
Doubled → 8
Check
5
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 0 → 0 3 → 6 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 4 + 1 + 0 + 1 + 6 + 1 + 8 + 24 = 55

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

The next multiple of ten after 55 is 60. The difference is the calculated check digit.

60 - 55 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1821013145.

Other Providers at the Same Location


The following 4 providers are registered at the same or a nearby location.

Orthopaedic Surgery (Adult Reconstructive Orthopaedic Surgery)
30 HOPE DR STE 2200
HERSHEY, PA 17033
Orthopaedic Surgery
30 HOPE DR STE 2200
HERSHEY, PA 17033
Orthopaedic Surgery
30 HOPE DR STE 2200
HERSHEY, PA 17033
Physician Assistant
30 HOPE DR STE 2200
HERSHEY, PA 17033

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1821013145, enumerated as an "individual" on July 13, 2006.

The provider is located at 30 HOPE DR STE 2200 HERSHEY, PA 17033 and the phone number is (717) 531-7123.

Orthopaedic Surgery with taxonomy code 207XS0114X and a focus in Adult Reconstructive Orthopaedic Surgery.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.