KATHARINE P TREWARTHA
NPI 1487176350
Social Worker - Clinical in Denver, CO

Active since July 12, 2017PECOS Enrolled
1355 S COLORADO BLVD STE 100, DENVER, CO 80222(303) 756-9052 Get Directions Write a Review

NPPES record last updated: March 16, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 16, 2026, Nov 24, 2020, Jul 12, 2017 (3 updates tracked since 2017).

About Katharine P Trewartha NPPES

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

KATHARINE P TREWARTHA (NPI 1487176350) is an individual clinical provider in Denver, Colorado and active in the NPI registry since July 2017. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1487176350
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameKATHARINE P TREWARTHA
Location Address1355 S COLORADO BLVD STE 100Denver, CO 80222-3310
Mailing Address1355 S Colorado Blvd Ste 100Denver, CO 80222-3310
Sole ProprietorNo
Enumeration DateJuly 12, 2017
Last NPPES UpdateMarch 16, 20263 updates tracked since enumeration
NPPES CertifiedMarch 16, 2026
NPI 1487176350 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
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.
1355 S COLORADO BLVD STE 100, Denver, CO 80222

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Katharine P Trewartha 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 80222 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.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Counselor (Mental Health)
1355 S COLORADO BLVD STE 100
DENVER, CO 80222
Counselor
1355 S COLORADO BLVD STE 100
DENVER, CO 80222
Counselor
1355 S COLORADO BLVD STE 100
DENVER, CO 80222
Counselor
1355 S COLORADO BLVD STE 100
DENVER, CO 80222
Counselor
1355 S COLORADO BLVD STE 100
DENVER, CO 80222
Counselor
1355 S COLORADO BLVD STE 100
DENVER, CO 80222
Counselor
1355 S COLORADO BLVD STE 100
DENVER, CO 80222
Psychiatry & Neurology (Psychiatry)
1355 S COLORADO BLVD STE 100
DENVER, CO 80222

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 Katharine Trewartha's NPI number?

The NPI number for Katharine Trewartha is 1487176350. It was assigned to this individual provider in the NPPES registry on July 12, 2017.

Where is Katharine Trewartha located?

Katharine Trewartha practices at 1355 S Colorado Blvd Ste 100, Denver, CO 80222. The listed phone number is (303) 756-9052.

What is Katharine Trewartha's specialty?

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

Is Katharine Trewartha enrolled in Medicare?

Yes. Katharine Trewartha is registered in the Medicare PECOS enrollment system.

What insurance does Katharine Trewartha accept?

Health plans from Providence Health Plan list Katharine Trewartha as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Katharine Trewartha was last updated on March 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.