PORTERCARE ADVENTIST HEALTH SYSTEM
NPI 1992634737
Obstetrics & Gynecology 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: (303) 649-3380
Fax: (303) 649-3381

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  • Organization
  • Obstetrics & Gynecology

About PORTERCARE ADVENTIST HEALTH SYSTEM

This page provides the complete NPI Profile along with additional information for Portercare Adventist Health System, a women's health care provider established in Castle Rock, Colorado operating as a Obstetrics & Gynecology. The healthcare provider is registered in the NPI registry with number 1992634737 assigned on May 2026. The practitioner's primary taxonomy code is 207V00000X. 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
1992634737
Provider Name
PORTERCARE ADVENTIST HEALTH SYSTEM
Entity Type
Organization
Location Address
4141 PLUM CREEK BLVD UNIT 200 CASTLE ROCK, CO 80104
Location Phone
(303) 649-3380
Location Fax
(303) 649-3381
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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Women's health care providers like Portercare Adventist Health System treat and diagnose diseases and conditions that affect a woman's physical and emotional health. Women's health professionals come from a variety of different specialties, including obstetrician/gynecologists, general surgeons, perinatologists, physician assistants, nurse practitioners or nurse midwives. A women's health provider might help you with family planning, breast care, pregnancy and child birth, osteoporosis, menopause, heart disease, etc.

Location Map

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

Obstetrics & Gynecology

Taxonomy Code
207V00000X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

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 1992634737, 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
9
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
2
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
3
Unchanged
Pos 7
4
Doubled → 8
Pos 8
7
Unchanged
Pos 9
3
Doubled → 6
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 6 → 12 → 3 4 → 8 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 8 + 2 + 1 + 2 + 3 + 8 + 7 + 6 + 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 1992634737.

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
Orthopaedic Surgery
4141 PLUM CREEK BLVD UNIT 200
CASTLE ROCK, CO 80104
Internal Medicine (Gastroenterology)
4141 PLUM CREEK BLVD UNIT 200
CASTLE ROCK, CO 80104

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1992634737, 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 (303) 649-3380.

Obstetrics & Gynecology with taxonomy code 207V00000X.