Doctor profile · Federal record

Dr. Katherine Allen, O.D.

Optometrist (CMS: Optometry) · Knoxville, TN

  • NPI 1679921696
  • Accepts Medicare
  • 10 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
7686 Oak Ridge Hwy
Knoxville, TN 379313335
(865) 247-7715

Credentials & registration

NPPES · NUCC
NPI registered
May 2016 — 10 yrs on file
Profile last updated
June 30, 2020
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Tennessee #OD-T3556

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1679921696. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,413
Distinct HCPCS
7
Medicare allowed
$11,567
HCPCS Description Services Patients Avg allowed
66984 Removal of cataract with insertion of prosthetic lens 1,260 12 $1
92250 Photography of the retina 62 59 $34
92014 Established patient complete exam of visual system 40 40 $116
92012 Established patient problem focused exam of visual system 14 14 $82
92134 Imaging of retina 13 12 $37
92285 Photography of content of eyes 13 11 $21
92004 New patient complete exam of visual system 11 11 $138

In context: peer comparison

Among 33 peers in Knoxville Optometrist, average services per provider: 160. This provider delivers 8.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$361
Transactions
16
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Alcon Vision LLC 5 $150.10
Bausch & Lomb Americas INC. 5 $94.40
Biotissue Holdings INC. 4 $76.19
Mallinckrodt Hospital Products INC. 2 $40.32

By nature of payment

Food and Beverage
$361

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
38
Patients
11
Total drug cost
$1,313
Drug Type Claims Patients Total cost
Latanoprost Generic 15 0 $384
Neomycin-Polymyxin-Dexameth (Neomycin/Polymyxin B/Dexametha) Brand 12 11 $177
Brimonidine Tartrate Generic 11 0 $752

Frequently asked questions

Auto-generated from federal data
What is Dr. Katherine Allen's medical specialty?
Dr. Katherine Allen practices Optometrist in Knoxville, TN.
Where does Dr. Katherine Allen practice?
Dr. Katherine Allen practices at 7686 Oak Ridge Hwy, Knoxville, TN 379313335. Office phone: 8652477715.
What is Dr. Katherine Allen's NPI?
Dr. Katherine Allen's National Provider Identifier (NPI) is 1679921696, issued by NPPES.
Does Dr. Katherine Allen accept Medicare assignment?
Yes. Dr. Katherine Allen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katherine Allen commonly perform?
Top Medicare-reported procedures in 2023: Removal of cataract with insertion of prosthetic lens (HCPCS 66984); Photography of the retina (HCPCS 92250); Established patient complete exam of visual system (HCPCS 92014). Source: CMS Medicare Physician & Other Practitioners file.