DR. AARON ROBERTS KETCHUM PSY.D.
NPI 1861678351
Psychologist in Westminster, CO

Active since January 14, 2008PECOS Enrolled
7701 SHERIDAN BLVD, WESTMINSTER, CO 80003(303) 338-4545 Get Directions Write a Review

NPPES record last updated: June 11, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Aaron Roberts Ketchum Psy.d. NPPES

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

DR. AARON ROBERTS KETCHUM PSY.D. (NPI 1861678351) is an individual psychologist in Westminster, Colorado, licensed in Colorado (2943) and active in the NPI registry since January 2008. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1861678351
Entity TypeIndividualMale
Primary Taxonomy103T00000X
Provider Legal NameDR. AARON ROBERTS KETCHUMCredential: PSY.D.
Location Address7701 SHERIDAN BLVDWestminster, CO 80003-2605
Mailing Address10350 E Dakota AveDenver, CO 80247-1314
Sole ProprietorNo
Enumeration DateJanuary 14, 2008
Last NPPES UpdateJune 11, 2021
NPPES CertifiedJune 11, 2021
✔ NPI 1861678351 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License✔ Licensed in CO · 2943
Definition
A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.
7701 SHERIDAN BLVD, Westminster, CO 80003

Other Identifiers 2

Other013375CO · Kaiser Commercial Number
Medicaid08134561CO

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Aaron Roberts Ketchum Psy.d. 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.

Medicare Billing Reassignment

Medicare enrollment records show Aaron Ketchum reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Internal Medicine
10350 E DAKOTA AVE
Denver, CO 80247
  • Reassigned Medicare billing, Colorado enrollment
  • Medicare enrollment name: Colorado Permanente Medical Group PC
  • 1,715 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

Psychologist
7701 SHERIDAN BLVD
WESTMINSTER, CO 80003
Counselor (Professional)
7701 SHERIDAN BLVD
WESTMINSTER, CO 80003
Registered Nurse
7701 SHERIDAN BLVD
ARVADA, CO 80003
Registered Nurse (Ambulatory Care)
7701 SHERIDAN BLVD
ARVADA, CO 80003
Family Medicine
7701 SHERIDAN BLVD
WESTMINSTER, CO 80003
Pediatrics
7701 SHERIDAN BLVD
WESTMINSTER, CO 80003
Physician Assistant (Medical)
7701 SHERIDAN BLVD
WESTMINSTER, CO 80003
Psychiatry & Neurology (Psychiatry)
7701 SHERIDAN BLVD
WESTMINSTER, CO 80003

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 Aaron Ketchum's NPI number?

The NPI number for Aaron Ketchum is 1861678351. It was assigned to this individual provider in the NPPES registry on January 14, 2008.

Where is Aaron Ketchum located?

Aaron Ketchum practices at 7701 Sheridan Blvd, Westminster, CO 80003. The listed phone number is (303) 338-4545.

What is Aaron Ketchum's specialty?

The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.

Is Aaron Ketchum enrolled in Medicare?

Yes. Aaron Ketchum is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Aaron Ketchum's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Aaron Ketchum reassigns Medicare benefits to Colorado Permanente Medical Group, P.C. (Denver, CO). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Aaron Ketchum's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Aaron Ketchum was last updated on June 11, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.