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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MCKAY WILLIAM JOHNSEN
NPI 1932944576
Social Worker - Clinical in Denver, CO

Active since June 26, 2024PECOS Enrolled
1250 CHEROKEE ST APT 404, DENVER, CO 80204(805) 689-3100 Get Directions Write a Review

NPPES record last updated: July 30, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Jul 30, 2026, Aug 6, 2024, Jun 26, 2024 (3 updates tracked since 2024).

About Mckay William Johnsen NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MCKAY WILLIAM JOHNSEN (NPI 1932944576) is an individual clinical provider in Denver, Colorado, licensed in Colorado (CSW.09933520) and active in the NPI registry since June 2024. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1932944576
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMCKAY WILLIAM JOHNSEN
Location Address1250 CHEROKEE ST APT 404Denver, CO 80204-3649
Mailing Address1250 Cherokee St Apt 404Denver, CO 80204-3649 · (805) 689-3100
Phone(805) 689-3100
Sole ProprietorYes
Enumeration DateJune 26, 2024
Last NPPES UpdateJuly 30, 20263 updates tracked since enumeration
NPPES CertifiedJuly 30, 2026
✔ NPI 1932944576 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
Licenses✔ Licensed in CO · CSW.09933520✔ Licensed in CO · SWC.0000002051
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
1250 CHEROKEE ST APT 404, Denver, CO 80204
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mckay William Johnsen is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80204 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$0.00 typical visit price
range $58.06 – $174.82
Typical copayment $0.00 (range $14.51 – $43.70)
Most-billed visit code NA
Established Patient
$72.20 typical visit price
range $18.88 – $142.79
Typical copayment $18.05 (range $4.72 – $35.69)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mckay Johnsen's NPI number?

The NPI number for Mckay Johnsen is 1932944576. It was assigned to this individual provider in the NPPES registry on June 26, 2024.

Where is Mckay Johnsen located?

Mckay Johnsen practices at 1250 Cherokee St Apt 404, Denver, CO 80204. The listed phone number is (805) 689-3100.

What is Mckay Johnsen's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Mckay Johnsen enrolled in Medicare?

Yes. Mckay Johnsen is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Mckay Johnsen was last updated on July 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 38 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.