Doctor profile · Federal record

Dr. Michael Trythall, AU.D.

Audiologist-Hearing Aid Fitter (CMS: Qualified Audiologist) · Pasadena, CA

  • NPI 1811177553
  • MIPS 86.9 / 100 · 2023
  • 24 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
50 Alessandro Pl Ste 360
Pasadena, CA 911053105
(626) 314-3733
fax (626) 314-3735

Credentials & registration

NPPES · NUCC
NPI registered
November 2007 — 19 yrs on file
Profile last updated
August 19, 2025
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
237600000X — NUCC code
State license (1)
California #AU2225
Medicaid
CA #9165139

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811177553. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,220
Distinct HCPCS
4
Medicare allowed
$37,665
HCPCS Description Services Patients Avg allowed
92557 Comprehensive hearing and speech recognition test 504 495 $38
92550 Test for eardrum and muscle function 389 386 $23
92588 Placement of ear probe for computerized measurement of repeated sounds with interpretation and report 204 204 $35
92567 Test to assess middle ear function 123 120 $17

In context: peer comparison

Among 3 peers in Pasadena Audiologist-Hearing Aid Fitter, average services per provider: 131. This provider delivers 9.3× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Trythall's medical specialty?
Dr. Michael Trythall practices Audiologist-Hearing Aid Fitter in Pasadena, CA.
Where does Dr. Michael Trythall practice?
Dr. Michael Trythall practices at 50 Alessandro Pl Ste 360, Pasadena, CA 911053105. Office phone: 6263143733.
What is Dr. Michael Trythall's NPI?
Dr. Michael Trythall's National Provider Identifier (NPI) is 1811177553, issued by NPPES.
Does Dr. Michael Trythall accept Medicare assignment?
Dr. Michael Trythall does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Michael Trythall commonly perform?
Top Medicare-reported procedures in 2023: Comprehensive hearing and speech recognition test (HCPCS 92557); Test for eardrum and muscle function (HCPCS 92550); Placement of ear probe for computerized measurement of repeated sounds with interpretation and report (HCPCS 92588). Source: CMS Medicare Physician & Other Practitioners file.