Doctor profile · Federal record

Dr. Ann Knowlton, AU.D.

Audiologist (CMS: Qualified Audiologist) · Assistive Technology Supplier Audiologist · Audiologist-Hearing Aid Fitter · Parkersburg, WV

  • NPI 1437438892
  • Accepts Medicare
  • 15 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2012 Garfield Ave Ste 4
Parkersburg, WV 261012541
(304) 428-2403
fax (304) 428-3270
Additional location
500 Donnally St Ste 200
Charleston, WV 253011600
(681) 229-3090
Mailing address
2012 Garfield Ave, Ste 4
Parkersburg, WV 261012539

Credentials & registration

NPPES · NUCC
NPI registered
August 2011 — 15 yrs on file
Profile last updated
February 24, 2025
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
231H00000X — NUCC code
State license (1)
West Virginia #A-0279

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1437438892. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
104
Distinct HCPCS
3
Medicare allowed
$2,664
HCPCS Description Services Patients Avg allowed
92557 Comprehensive hearing and speech recognition test 51 51 $34
92567 Test to assess middle ear function 29 29 $15
92550 Test for eardrum and muscle function 24 24 $20

In context: peer comparison

Among 4 peers in Parkersburg Audiologist, average services per provider: 34. This provider delivers 3.1× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Ann Knowlton's medical specialty?
Dr. Ann Knowlton practices Audiologist in Parkersburg, WV.
Where does Dr. Ann Knowlton practice?
Dr. Ann Knowlton practices at 2012 Garfield Ave Ste 4, Parkersburg, WV 261012541. Office phone: 3044282403.
What is Dr. Ann Knowlton's NPI?
Dr. Ann Knowlton's National Provider Identifier (NPI) is 1437438892, issued by NPPES.
Does Dr. Ann Knowlton accept Medicare assignment?
Yes. Dr. Ann Knowlton accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ann Knowlton commonly perform?
Top Medicare-reported procedures in 2023: Comprehensive hearing and speech recognition test (HCPCS 92557); Test to assess middle ear function (HCPCS 92567); Test for eardrum and muscle function (HCPCS 92550). Source: CMS Medicare Physician & Other Practitioners file.