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

DR. DIEM CHAU THI PHAN PH.D.
NPI 1114335148
Psychologist - Clinical in Greenwood Village, CO

Q: What is Diem Chau Phan's NPI number?

The NPI number for Diem Chau Phan is 1114335148. It was assigned to this individual provider in the NPPES registry on July 22, 2014.

Q: What is Diem Chau Phan's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Q: When was this NPI record last updated?

The NPPES record for Diem Chau Phan was last updated on October 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.

Active since July 22, 2014

5655 S YOSEMITE ST STE 201, GREENWOOD VILLAGE, CO 80111(720) 203-6266(720) 528-7939 Get Directions Write a Review

NPPES record last updated: October 8, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 8, 2026, Mar 8, 2021, Oct 12, 2018 and 1 more (4 updates tracked since 2016).

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About Dr. Diem Chau Thi Phan Ph.d. NPPES

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

DR. DIEM CHAU THI PHAN PH.D. (NPI 1114335148) is an individual clinical provider in Greenwood Village, Colorado, licensed in Colorado (PSY.0004126) and active in the NPI registry since July 2014.

NPPES Registry Identity

NPI1114335148

Entity TypeIndividualFemale

Primary Taxonomy103TC0700X

Provider Legal NameDR. DIEM CHAU THI PHANCredential: PH.D.

Location Address5655 S YOSEMITE ST STE 201Greenwood Village, CO 80111-3220

Mailing Address5655 S Yosemite St Ste 201Greenwood Village, CO 80111-3220 · (720) 203-6266 · Fax (720) 528-7939

Phone(720) 203-6266

Fax(720) 528-7939

Sole ProprietorNo

Enumeration DateJuly 22, 2014

Last NPPES UpdateOctober 8, 20264 updates tracked since enumeration

NPPES CertifiedOctober 8, 2026

✔ NPI 1114335148 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code103TC0700X

License✔ Licensed in CO · PSY.0004126

Definition

A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

5655 S YOSEMITE ST STE 201, Greenwood Village, CO 80111

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Other Identifiers 1

Medicaid06555225CO

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Insurance Company, Select Health.Insurance ›

Other Providers at the Same Location NPPES

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

HEALING GROVE INTEGRATIVE BEHAVIORAL MEDICINE

Psychologist (Prescribing (Medical))

5655 S YOSEMITE ST STE 201
GREENWOOD VILLAGE, CO 80111

Arapahoe County (720) 203-6266

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 Diem Chau Phan's NPI number?

The NPI number for Diem Chau Phan is 1114335148. It was assigned to this individual provider in the NPPES registry on July 22, 2014.

Where is Diem Chau Phan located?

Diem Chau Phan practices at 5655 S Yosemite St Ste 201, Greenwood Village, CO 80111. The listed phone number is (720) 203-6266.

What is Diem Chau Phan's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

What insurance does Diem Chau Phan accept?

Health plans from Oscar Insurance Company and Select Health list Diem Chau Phan 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 Diem Chau Phan was last updated on October 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.