Doctor profile · Federal record

Dr. Yongching Chang-Allen, M.A. CCC-A

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

  • NPI 1285843821
  • Accepts Medicare
  • 28 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
41 N Garfield Ave, Suite #101
Alhambra, CA 918013556
(626) 284-4633
fax (626) 284-4162

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
August 6, 2015
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
237600000X — NUCC code
State license (1)
California #AU 1955
Medicaid
CA #AU0019550

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1285843821. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
644
Distinct HCPCS
2
Medicare allowed
$24,307
HCPCS Description Services Patients Avg allowed
92557 Comprehensive hearing and speech recognition test 322 304 $40
92570 Comprehensive hearing test 322 304 $35

In context: peer comparison

Among 1 peers in this city , average services per provider: 322. This provider delivers 2.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Yongching Chang-Allen's medical specialty?
Dr. Yongching Chang-Allen practices Audiologist-Hearing Aid Fitter in Alhambra, CA.
Where does Dr. Yongching Chang-Allen practice?
Dr. Yongching Chang-Allen practices at 41 N Garfield Ave, Alhambra, CA 918013556. Office phone: 6262844633.
What is Dr. Yongching Chang-Allen's NPI?
Dr. Yongching Chang-Allen's National Provider Identifier (NPI) is 1285843821, issued by NPPES.
Does Dr. Yongching Chang-Allen accept Medicare assignment?
Yes. Dr. Yongching Chang-Allen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Yongching Chang-Allen commonly perform?
Top Medicare-reported procedures in 2023: Comprehensive hearing and speech recognition test (HCPCS 92557); Comprehensive hearing test (HCPCS 92570). Source: CMS Medicare Physician & Other Practitioners file.