What is Lonnell Callum's NPI number?

Lonnell Callum's National Provider Identifier (NPI) is 1548152366, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Lonnell Callum's specialty?

Lonnell Callum is listed in the NPPES registry with a primary specialty of Counselor (Behavioral Health & Social Service Providers).

Where is Lonnell Callum located?

Lonnell Callum's practice location on file with NPPES is 1442 Xavier St, Denver, CO 80204-1022.

What is Lonnell Callum's phone number?

The practice phone number listed in the NPPES registry for Lonnell Callum is (720) 934-0771.

Is Lonnell Callum's NPI active?

Yes — Lonnell Callum's NPI (1548152366) is active in the NPPES registry as of the last update on 2026-05-03.

IndividualActive

Lonnell Callum

NPI 1548152366 · Counselor · Denver, CO

Lonnell Callum is a Counselor provider in Denver, CO (NPI 1548152366).

Provider details

NPI number: 1548152366
Entity type: Individual
Primary specialty: CounselorBehavioral Health & Social Service Providers
Sex: Male
Sole proprietor: Yes

Specialties & taxonomies

CounselorPrimary101Y00000X
Behavioral Health & Social Service Providers

Profile Score

Basic profile(48/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in registry
Profile completeness38% of score
83% 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

1442 Xavier St

Denver, CO 80204-1022

Phone: (720) 934-0771

Street-level locationGet directions

More CO providers

Mailing address