1. Home
  2. Directory
  3. Colorado
  4. Lone Tree
  5. Anesthesiology
  6. NPI Profile

DR. RONALD FRANCISCO VALDIVIESO MD
NPI 1659481422
Anesthesiology in Lone Tree, CO

Active since August 30, 2006PECOS Enrolled
10240 PARK MEADOWS DR, LONE TREE, CO 80124(303) 338-4545 Get Directions Write a Review

NPPES record last updated: July 10, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 10, 2026, Jun 14, 2021 (2 updates tracked since 2021).

About Dr. Ronald Francisco Valdivieso Md NPPES

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

DR. RONALD FRANCISCO VALDIVIESO MD (NPI 1659481422) is an individual anesthesiology provider in Lone Tree, Colorado, licensed in Colorado (39746) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1659481422
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. RONALD FRANCISCO VALDIVIESOCredential: MD
Location Address10240 PARK MEADOWS DRLone Tree, CO 80124-5425
Mailing Address10350 E Dakota AveDenver, CO 80247-1314
Phone(303) 338-4545
Sole ProprietorNo
Enumeration DateAugust 30, 2006
Last NPPES UpdateJuly 10, 20262 updates tracked since enumeration
NPPES CertifiedJuly 10, 2026
✔ NPI 1659481422 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in CO · 39746
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
10240 PARK MEADOWS DR, Lone Tree, CO 80124
Open in Google Maps ↗

Other Names 1

Other Name (5)Ron Valdivieso

Other Identifiers 2

Other024526CO · Kaiser Commercial Number
Medicaid77050363CO

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Ronald Francisco Valdivieso Md 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 Reassignments

2

Medicare enrollment records show Ronald Valdivieso reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Colorado Permanente Medical Group, P.C.
11 mi
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
NPI 1760599724 (303) 338-4545
Southern California Permanente Medical Group
806 mi
Health Maintenance Organization
43112 N 15TH ST
Lancaster, CA 93534
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
NPI 1982863783 (661) 726-2279

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.

GWYNNE I BAERNS RN
Registered Nurse
10240 PARK MEADOWS DR
LONE TREE, CO 80124
Douglas County (303) 338-4545
AMANDA M MARDIS RN
Registered Nurse
10240 PARK MEADOWS DR
LONE TREE, CO 80124
Douglas County (303) 338-4545
ANDREW R STEPHENITCH MPT
Physical Therapist
10240 PARK MEADOWS DR
LONE TREE, CO 80124
Douglas County (303) 338-4545
MICHELLE PLIMPTON
Registered Nurse
10240 PARK MEADOWS DR
LONE TREE, CO 80124
Douglas County (303) 338-4545
KRISTI R STARK FNP
Nurse Practitioner (Family)
10240 PARK MEADOWS DR
LONE TREE, CO 80124
Douglas County (303) 338-4545
COLLEEN DYNEL CAMPBELL NP
Nurse Practitioner (Adult Health)
10240 PARK MEADOWS DR
LONE TREE, CO 80124
Douglas County (303) 338-4545
MELISSA CHRISTINA-MARIE GORDON CST, CSFA
Specialist/Technologist, Other (Surgical Assistant)
10240 PARK MEADOWS DR
LONE TREE, CO 80124
Douglas County (303) 338-4545
MRS. LAURA B ERAL M.S.P.T.
Physical Therapist
10240 PARK MEADOWS DR
LONE TREE, CO 80124
Douglas County (303) 338-4545

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 Ronald Valdivieso's NPI number?

The NPI number for Ronald Valdivieso is 1659481422. It was assigned to this individual provider in the NPPES registry on August 30, 2006. The provider is also known as Ron Valdivieso.

Where is Ronald Valdivieso located?

Ronald Valdivieso practices at 10240 Park Meadows Dr, Lone Tree, CO 80124. The listed phone number is (303) 338-4545.

What is Ronald Valdivieso's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Ronald Valdivieso enrolled in Medicare?

Yes. Ronald Valdivieso is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Ronald Valdivieso's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ronald Valdivieso reassigns Medicare benefits to 2 organizations: Colorado Permanente Medical Group, P.C. (Denver, CO) and Southern California Permanente Medical Group (Lancaster, CA). Each 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 Ronald Valdivieso'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 Ronald Valdivieso was last updated on July 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.