COLORADO ALLERGY AND ASTHMA CENTERS, PC
NPI 1124690813
Specialist in Denver, CO

NPI Status: Active since July 13, 2021

Contact Information

2490 W 26TH AVE STE 120A
DENVER, CO
ZIP 80211
Phone: (720) 858-7474
Fax: (720) 858-7488

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  • Organization
  • Specialist
  • CLIA Number: 06D0990009
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 08-09-2027

About COLORADO ALLERGY AND ASTHMA CENTERS, PC

This page provides the complete NPI Profile along with additional information for Colorado Allergy And Asthma Centers, Pc, a provider established in Denver, Colorado operating as a Specialist. The healthcare provider is registered in the NPI registry with number 1124690813 assigned on July 2021. The practitioner's primary taxonomy code is 174400000X. The provider is registered as an organization and their NPI record was last updated 5 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 Milewski (Coo/chief Operating Officer)

NPI
1124690813
Provider Name
COLORADO ALLERGY AND ASTHMA CENTERS, PC
Entity Type
Organization
Location Address
2490 W 26TH AVE STE 120A DENVER, CO 80211
Location Phone
(720) 858-7474
Location Fax
(720) 858-7488
Mailing Address
125 RAMPART WAY STE 200 DENVER, CO 80230
Mailing Phone
(720) 858-7550
Mailing Fax
(720) 858-7488
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
07-13-2021
Last Update Date
07-13-2021
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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

Specialist

Taxonomy Code
174400000X
Type
Other Service Providers
Taxonomy Description
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

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 MILEWSKI

Authorized Official Title
COO/CHIEF OPERATING OFFICER
Authorized Official Phone
(720) 858-7431

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
06D0990009
Facility Type
Physician Office
Certificate Effective Date
August 10, 2025
Certificate Expiration Date
August 09, 2027
Laboratory Director
DR. SHAILA U. GOGATE
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Colorado Allergy And Asthma Centers, Pc to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

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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 1124690813, we treat the final digit (3) 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).

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
1
Unchanged
Pos 3
2
Doubled → 4
Pos 4
4
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
9
Unchanged
Pos 7
0
Doubled → 0
Pos 8
8
Unchanged
Pos 9
1
Doubled → 2
Check
3
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 6 → 12 → 3 0 → 0 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 4 + 4 + 1 + 2 + 9 + 0 + 8 + 2 + 24 = 57

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

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1124690813.

Other Providers at the Same Location


The following 10 providers are registered at the same or a nearby location.

Obstetrics & Gynecology (Gynecology)
2490 W 26TH AVE STE 120A
DENVER, CO 80211
Social Worker
2490 W 26TH AVE STE 120A
DENVER, CO 80211
Surgery
2490 W 26TH AVE STE 120A
DENVER, CO 80211
Family Medicine
2490 W 26TH AVE STE 120A
DENVER, CO 80211
Counselor (Professional)
2490 W 26TH AVE STE 120A
DENVER, CO 80211
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
2490 W 26TH AVE STE 120A
DENVER, CO 80211
Family Medicine
2490 W 26TH AVE STE 120A
DENVER, CO 80211
Social Worker (Clinical)
2490 W 26TH AVE STE 120A
DENVER, CO 80211
Nurse Practitioner (Family)
2490 W 26TH AVE STE 120A
DENVER, CO 80211
Counselor (Professional)
2490 W 26TH AVE STE 120A
DENVER, CO 80211

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1124690813, enumerated as an "organization" on July 13, 2021.

The provider is located at 2490 W 26TH AVE STE 120A DENVER, CO 80211 and the phone number is (720) 858-7474.

Specialist with taxonomy code 174400000X.