MEDICAL PRACTICES OF ANTIETAM LLC
NPI 1659179299
Orthopaedic Surgery in Frederick, MD

NPI Status: Active since March 07, 2025

Contact Information

187 THOMAS JOHNSON DR
FREDERICK, MD
ZIP 21702
Phone: (301) 378-9421

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  • Organization
  • Orthopaedic Surgery

About MEDICAL PRACTICES OF ANTIETAM LLC

This page provides the complete NPI Profile along with additional information for Medical Practices Of Antietam Llc, a provider established in Frederick, Maryland operating as a Orthopaedic Surgery. The healthcare provider is registered in the NPI registry with number 1659179299 assigned on March 2025. The practitioner's primary taxonomy code is 207X00000X. The provider is registered as an organization and their NPI record was last updated one year ago. Medical Practices Of Antietam Llc operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Joshua Repac (Cfo)

NPI
1659179299
Provider Name
MEDICAL PRACTICES OF ANTIETAM LLC
Entity Type
Organization
Location Address
187 THOMAS JOHNSON DR FREDERICK, MD 21702
Location Phone
(301) 378-9421
Mailing Address
11116 MEDICAL CAMPUS RD HAGERSTOWN, MD 21742
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
03-07-2025
Last Update Date
03-07-2025
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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
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.

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)
1208D00000XAllopathic & Osteopathic Physicians

General Practice

 

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas 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

JOSHUA REPAC

Authorized Official Title
CFO
Authorized Official Phone
(301) 790-9351

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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 1659179299, we treat the final digit (9) 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).

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
6
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
9
Unchanged
Pos 5
1
Doubled → 2
Pos 6
7
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
2
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
9
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 5 → 10 → 1 1 → 2 9 → 18 → 9 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 0 + 9 + 2 + 7 + 1 + 8 + 2 + 1 + 8 + 24 = 71

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

The next multiple of ten after 71 is 80. The difference is the calculated check digit.

80 - 71 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1659179299.

Other Providers at the Same Location


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

Specialist
187 THOMAS JOHNSON DR, SUITE 7
FREDERICK, MD 21702
Psychiatry & Neurology (Neurology)
187 THOMAS JOHNSON DR, SUITE #3
FREDERICK, MD 21702
Physical Therapist
187 THOMAS JOHNSON DR, SUITE 6
FREDERICK, MD 21702
Physical Therapist
187 THOMAS JOHNSON DR, SUITE 6
FREDERICK, MD 21702
Physical Therapist
187 THOMAS JOHNSON DR, SUITE 6
FREDERICK, MD 21702
Physical Therapist
187 THOMAS JOHNSON DR, SUITE 6
FREDERICK, MD 21702
Physical Therapist
187 THOMAS JOHNSON DR, SUITE 6
FREDERICK, MD 21702
Physical Therapist
187 THOMAS JOHNSON DR, SUITE 6
FREDERICK, MD 21702
Physical Therapist
187 THOMAS JOHNSON DR, SUITE 6
FREDERICK, MD 21702
Occupational Therapist
187 THOMAS JOHNSON DR, SUITE 6
FREDERICK, MD 21702
Durable Medical Equipment & Medical Supplies
187 THOMAS JOHNSON DR, #1
FREDERICK, MD 21702
Durable Medical Equipment & Medical Supplies
187 THOMAS JOHNSON DR, SUITE #1
FREDERICK, MD 21702
Occupational Therapist
187 THOMAS JOHNSON DR, SUITE 6
FREDERICK, MD 21702
Physical Therapist
187 THOMAS JOHNSON DR, SUITE 6
FREDERICK, MD 21702
Occupational Therapist (Pediatrics)
187 THOMAS JOHNSON DR, SUITE 6
FREDERICK, MD 21702
Occupational Therapist
187 THOMAS JOHNSON DR, SUITE 6
FREDERICK, MD 21702
Physical Therapist
187 THOMAS JOHNSON DR, SUITE 6
FREDERICK, MD 21702
Orthopaedic Surgery
187 THOMAS JOHNSON DR, SUITE 1
FREDERICK, MD 21702
Durable Medical Equipment & Medical Supplies
187 THOMAS JOHNSON DR, SUITE 1
FREDERICK, MD 21702
Physical Therapist
187 THOMAS JOHNSON DR, SUITE 6
FREDERICK, MD 21702

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1659179299, enumerated as an "organization" on March 07, 2025.

The provider is located at 187 THOMAS JOHNSON DR FREDERICK, MD 21702 and the phone number is (301) 378-9421.

Orthopaedic Surgery with taxonomy code 207X00000X.