Doctor profile · Federal record

Dr. Brennen Karl, AUD

Audiologist · Englewood, CO

  • NPI 1356016711
  • 5 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
3439 S Lincoln St
Englewood, CO 801132541
(303) 777-9720
fax (303) 781-9537
Additional location
155 S Madison St Ste 240
Denver, CO 802093013
(303) 321-1402
fax (303) 321-1452
Mailing address
1315 Vivian St
Longmont, CO 805013216

Credentials & registration

NPPES · NUCC
NPI registered
August 2021 — 5 yrs on file
Profile last updated
January 10, 2023
Specialty taxonomy
231H00000X — NUCC code
State license (1)
Colorado #AUD.0001100

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1356016711. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
110
Distinct HCPCS
2
Medicare allowed
$3,031
HCPCS Description Services Patients Avg allowed
92557 Comprehensive hearing and speech recognition test 57 57 $38
92567 Test to assess middle ear function 53 53 $17

In context: peer comparison

Among 4 peers in this city , average services per provider: 67. This provider delivers 1.6× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Brennen Karl's medical specialty?
Dr. Brennen Karl practices Audiologist in Englewood, CO.
Where does Dr. Brennen Karl practice?
Dr. Brennen Karl practices at 3439 S Lincoln St, Englewood, CO 801132541. Office phone: 3037779720.
What is Dr. Brennen Karl's NPI?
Dr. Brennen Karl's National Provider Identifier (NPI) is 1356016711, issued by NPPES.
What procedures does Dr. Brennen Karl commonly perform?
Top Medicare-reported procedures in 2023: Comprehensive hearing and speech recognition test (HCPCS 92557); Test to assess middle ear function (HCPCS 92567). Source: CMS Medicare Physician & Other Practitioners file.