OrganizationActive
Colorado Allergy and Asthma Centers, PC
NPI 1689246274 · Specialist · Littleton, CO
Colorado Allergy and Asthma Centers, PC is a Specialist organization in Littleton, CO (NPI 1689246274).
Provider details
- NPI number
- 1689246274
- Entity type
- Organization
- Primary specialty
- SpecialistOther Service Providers
- Organization subpart
- No
- Authorized official
- John Milewski, Coo/Chief Operating Officer(720) 858-7431
Specialties & taxonomies
Other Service Providers
Profile Score
Established profile(62/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
5920 S Estes St Ste 120
Littleton, CO 80123-8618
Phone: (303) 971-0311
Fax: (303) 948-0339
Street-level locationGet directions
Mailing address
125 Rampart Way Ste 200
Denver, CO 80230-6429
Registry dates
- Enumerated
- 2021-07-13
- Last updated
- 2021-07-13
- Certified
- 2021-07-13
Frequently asked questions
- What is Colorado Allergy and Asthma Centers, PC's NPI number?
- Colorado Allergy and Asthma Centers, PC's National Provider Identifier (NPI) is 1689246274, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Colorado Allergy and Asthma Centers, PC?
- Colorado Allergy and Asthma Centers, PC is classified in the NPPES registry as Specialist (Other Service Providers).
- Where is Colorado Allergy and Asthma Centers, PC located?
- Colorado Allergy and Asthma Centers, PC's practice location on file with NPPES is 5920 S Estes St Ste 120, Littleton, CO 80123-8618.
- What is Colorado Allergy and Asthma Centers, PC's phone number?
- The practice phone number listed in the NPPES registry for Colorado Allergy and Asthma Centers, PC is (303) 971-0311.
- Who is the authorized official for Colorado Allergy and Asthma Centers, PC?
- The authorized official listed on Colorado Allergy and Asthma Centers, PC's NPPES record is John Milewski, Coo/Chief Operating Officer. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Colorado Allergy and Asthma Centers, PC's NPI active?
- Yes — Colorado Allergy and Asthma Centers, PC's NPI (1689246274) is active in the NPPES registry as of the last update on 2021-07-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.