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

DR. KAREN ELIZABETH WARNER D.O.
NPI 1063535946
Obstetrics & Gynecology in Westminster, CO

Q: What is Karen Warner's NPI number?

The NPI number for Karen Warner is 1063535946. It was assigned to this individual provider in the NPPES registry on April 7, 2007. The provider is also known as Karen E Maloney.

Q: What is Karen Warner's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Q: When was this NPI record last updated?

The NPPES record for Karen Warner was last updated on August 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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 April 07, 2007PECOS Enrolled

11245 HURON ST, WESTMINSTER, CO 80234(303) 338-4545 Get Directions Write a Review

NPPES record last updated: August 18, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Aug 18, 2026, Apr 7, 2021, Aug 12, 2020 (3 updates tracked since 2020).

On this page

About Dr. Karen Elizabeth Warner D.o. NPPES

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

DR. KAREN ELIZABETH WARNER D.O. (NPI 1063535946) is an individual obstetrics & gynecology provider in Westminster, Colorado, licensed in Colorado (47594) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1063535946

Entity TypeIndividualFemale

Primary Taxonomy207V00000X

Provider Legal NameDR. KAREN ELIZABETH WARNERCredential: D.O.

Location Address11245 HURON STWestminster, CO 80234-2806

Mailing Address10350 E Dakota AveDenver, CO 80247-1314

Phone(303) 338-4545

Sole ProprietorNo

Enumeration DateApril 7, 2007

Last NPPES UpdateAugust 18, 20263 updates tracked since enumeration

NPPES CertifiedAugust 18, 2026

✔ NPI 1063535946 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians

Taxonomy Code207V00000X

Licenses✔ Licensed in CO · 47594✔ Licensed in CA · 20A9872

Definition

An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

11245 HURON ST, Westminster, CO 80234

Open in Google Maps ↗

Other Names 1

Former Name (1)Karen E Maloney

Other Identifiers 1

Medicaid27258530CO

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Karen Elizabeth Warner D.o. 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 80234 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

$132.55 typical visit price

range $58.06 – $174.82

Typical copayment $33.13 (range $14.51 – $43.70)

Most-billed visit code 99204

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.

ANGELA WISCHNOWSKI

Registered Nurse