Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Tiffany A. Koonce, DO

Sees patients in Lakewood, CO · Colorado

Summary

Tiffany A. Koonce, DO (Internal Medicine) is enrolled with Medicare at 1 practice location in Lakewood, CO. NPI 1023645975. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Tiffany A. Koonce, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
6Years since medical school (graduated 2020)
Lake Erie College Of Osteopathic Medicine, ErieMedical school
FemaleGender (as listed)
Colorado Permanente Medical Group PCGroup practice

Quick answers

Where does Tiffany A. Koonce see patients?
Medicare's clinician data lists 1 practice location in Lakewood, CO. Call before your visit to confirm the address.
What is Tiffany A. Koonce's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Tiffany A. Koonce accept Medicare assignment?
Yes. Medicare's clinician data says Tiffany A. Koonce accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Tiffany A. Koonce offer telehealth?
Medicare's clinician data says Tiffany A. Koonce offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Tiffany A. Koonce?
(303) 338-4545, as listed in official Medicare / NPI Registry data.
What is Tiffany A. Koonce's NPI number?
1023645975. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Tiffany A. Koonce is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Tiffany A. Koonce as a member of this group (CMS data updated 2026-10-02).

  • Colorado Permanente Medical Group PC1,327 clinicians in the group

Specialties

Find other Internal Medicine doctors in Colorado →

Other internal medicine doctors in Lakewood

Clinicians with the same Medicare primary specialty in Lakewood, CO — not a recommendation.

All internal medicine doctors in Lakewood →

Clinician information

CredentialDO
Medical schoolLake Erie College Of Osteopathic Medicine, Erie
Graduation year2020
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1023645975
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians