Doctor profile · Federal record

Dr. Diana Ahn, AUD

Audiologist (CMS: Qualified Audiologist) · Los Angeles, CA

  • NPI 1659892149
  • Accepts Medicare
  • 9 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1640 Marengo St Ste 100
Los Angeles, CA 900331075
(213) 764-2843
Mailing address
Po Box 31309
Los Angeles, CA 900310309

Credentials & registration

NPPES · NUCC
NPI registered
July 2017 — 9 yrs on file
Profile last updated
November 29, 2022
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
231H00000X — NUCC code
State license (1)
California #AU3200

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659892149. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
302
Distinct HCPCS
6
Medicare allowed
$18,505
HCPCS Description Services Patients Avg allowed
92567 Test to assess middle ear function 90 85 $18
92540 Evaluation and testing for balance with recording 68 67 $120
92557 Comprehensive hearing and speech recognition test 55 54 $40
92537 Test to assess balance during warm and cool irrigation in both ears 38 37 $44
92546 Test for abnormal eye movement using a rotating chair 26 26 $148
92588 Placement of ear probe for computerized measurement of repeated sounds with interpretation and report 25 25 $37

In context: peer comparison

Among 15 peers in Los Angeles Audiologist, average services per provider: 95. This provider delivers 3.2× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Diana Ahn's medical specialty?
Dr. Diana Ahn practices Audiologist in Los Angeles, CA.
Where does Dr. Diana Ahn practice?
Dr. Diana Ahn practices at 1640 Marengo St Ste 100, Los Angeles, CA 900331075. Office phone: 2137642843.
What is Dr. Diana Ahn's NPI?
Dr. Diana Ahn's National Provider Identifier (NPI) is 1659892149, issued by NPPES.
Does Dr. Diana Ahn accept Medicare assignment?
Yes. Dr. Diana Ahn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Diana Ahn commonly perform?
Top Medicare-reported procedures in 2023: Test to assess middle ear function (HCPCS 92567); Evaluation and testing for balance with recording (HCPCS 92540); Comprehensive hearing and speech recognition test (HCPCS 92557). Source: CMS Medicare Physician & Other Practitioners file.