Doctor profile · Federal record
Dr. Katherine Duffy, AUD
Audiologist · Bel Air, MD
- NPI 1407376080
- 9 yrs on file
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
5 Bel Air South Pkwy Ste N1411
Bel Air, MD 210156091
(410) 569-3800
fax (443) 320-9468
Credentials & registration
- NPI registered
- June 2017 — 9 yrs on file
- Profile last updated
- July 21, 2022
- Specialty taxonomy
- 231H00000X — NUCC code
- State license (1)
- Maryland #01427
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1407376080. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
179
Distinct HCPCS
3
Medicare allowed
$5,711
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
92557 |
Comprehensive hearing and speech recognition test | 71 | 71 | $39 | |
92550 |
Test for eardrum and muscle function | 69 | 69 | $23 | |
92588 |
Placement of ear probe for computerized measurement of repeated sounds with interpretation and report | 39 | 39 | $35 |
In context: peer comparison
Among 2 peers in Bel Air Audiologist, average services per provider: 186. This provider delivers 1.0× the peer median.Frequently asked questions
What is Dr. Katherine Duffy's medical specialty?
Dr. Katherine Duffy practices Audiologist in Bel Air, MD.
Where does Dr. Katherine Duffy practice?
Dr. Katherine Duffy practices at 5 Bel Air South Pkwy Ste N1411, Bel Air, MD 210156091. Office phone: 4105693800.
What is Dr. Katherine Duffy's NPI?
Dr. Katherine Duffy's National Provider Identifier (NPI) is 1407376080, issued by NPPES.
What procedures does Dr. Katherine Duffy 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.