PORTERCARE ADVENTIST HEALTH SYSTEM
NPI 1811826647
Orthopaedic Surgery in Castle Rock, CO

NPI Status: Active since May 18, 2026

Contact Information

4141 PLUM CREEK BLVD UNIT 200
CASTLE ROCK, CO
ZIP 80104
Phone: (720) 455-3775
Fax: (720) 455-3776

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  • Organization
  • Orthopaedic Surgery

About PORTERCARE ADVENTIST HEALTH SYSTEM

This page provides the complete NPI Profile along with additional information for Portercare Adventist Health System, a provider established in Castle Rock, Colorado operating as a Orthopaedic Surgery. The healthcare provider is registered in the NPI registry with number 1811826647 assigned on May 2026. The practitioner's primary taxonomy code is 207X00000X. The provider is registered as an organization and their NPI record was last updated May 2026. Portercare Adventist Health System 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 Mr. Jason Tacha (Coo)

NPI
1811826647
Provider Name
PORTERCARE ADVENTIST HEALTH SYSTEM
Entity Type
Organization
Location Address
4141 PLUM CREEK BLVD UNIT 200 CASTLE ROCK, CO 80104
Location Phone
(720) 455-3775
Location Fax
(720) 455-3776
Mailing Address
PO BOX 713425 CHICAGO, IL 60677
Mailing Phone
(800) 953-0104
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
05-18-2026
Last Update Date
05-18-2026
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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.

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

MR. JASON TACHA

Authorized Official Title
COO
Authorized Official Phone
(303) 304-7752

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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 1811826647, 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 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
1
Doubled → 2
Pos 4
1
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
2
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
6
Unchanged
Pos 9
4
Doubled → 8
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 1 → 2 8 → 16 → 7 6 → 12 → 3 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 2 + 1 + 1 + 6 + 2 + 1 + 2 + 6 + 8 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1811826647.

Other Providers at the Same Location


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

Family Medicine
4141 PLUM CREEK BLVD UNIT 200
CASTLE ROCK, CO 80104
Obstetrics & Gynecology
4141 PLUM CREEK BLVD UNIT 200
CASTLE ROCK, CO 80104
Internal Medicine (Gastroenterology)
4141 PLUM CREEK BLVD UNIT 200
CASTLE ROCK, CO 80104
Obstetrics & Gynecology
4141 PLUM CREEK BLVD UNIT 200
CASTLE ROCK, CO 80104

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1811826647, enumerated as an "organization" on May 18, 2026.

The provider is located at 4141 PLUM CREEK BLVD UNIT 200 CASTLE ROCK, CO 80104 and the phone number is (720) 455-3775.

Orthopaedic Surgery with taxonomy code 207X00000X.