Doctor profile · Federal record

Dr. Gretchen May Calachan, AUD

Audiologist (CMS: Qualified Audiologist) · Phoenix, AZ

  • NPI 1104559426
  • Accepts Medicare
  • MIPS 66.8 / 100 · 2023
  • 4 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4530 E Shea Blvd Ste 180
Phoenix, AZ 850286042
(602) 264-4834

Credentials & registration

NPPES · NUCC
NPI registered
July 2022 — 4 yrs on file
Profile last updated
January 7, 2025
Year of graduation
2022 — 4 yrs since
Specialty taxonomy
231H00000X — NUCC code
State license (1)
Arizona #DA13878

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1104559426. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
970
Distinct HCPCS
2
Medicare allowed
$24,467
HCPCS Description Services Patients Avg allowed
92567 Test to assess middle ear function 523 471 $16
92557 Comprehensive hearing and speech recognition test 447 434 $36

In context: peer comparison

Among 11 peers in Phoenix Audiologist, average services per provider: 111. This provider delivers 8.7× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Gretchen May Calachan's medical specialty?
Dr. Gretchen May Calachan practices Audiologist in Phoenix, AZ.
Where does Dr. Gretchen May Calachan practice?
Dr. Gretchen May Calachan practices at 4530 E Shea Blvd Ste 180, Phoenix, AZ 850286042. Office phone: 6022644834.
What is Dr. Gretchen May Calachan's NPI?
Dr. Gretchen May Calachan's National Provider Identifier (NPI) is 1104559426, issued by NPPES.
Does Dr. Gretchen May Calachan accept Medicare assignment?
Yes. Dr. Gretchen May Calachan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gretchen May Calachan commonly perform?
Top Medicare-reported procedures in 2023: Test to assess middle ear function (HCPCS 92567); Comprehensive hearing and speech recognition test (HCPCS 92557). Source: CMS Medicare Physician & Other Practitioners file.