Doctor profile · Federal record

Dr. Terri Knowles, O.D.

Optometrist · Grand Ronde, OR

  • NPI 1922554542
  • 10 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
9615 Grand Ronde RD
Grand Ronde, OR 973479712
(503) 879-2097
fax (503) 879-1644
Additional location
1505 Nw Harrison Blvd
Corvallis, OR 973305897
(541) 754-6222
fax (503) 573-8357
Additional location
405 Boyd Ln, Central Vision Clinic
Monmouth, OR 97361
(503) 838-1244
Mailing address
405 Boyd Ln
Monmouth, OR 973611611

Credentials & registration

NPPES · NUCC
NPI registered
September 2016 — 10 yrs on file
Profile last updated
June 7, 2021
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Oregon #4318ATI

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1922554542. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
73
Distinct HCPCS
2
Medicare allowed
$8,179
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 54 51 $121
99213 Established patient office or other outpatient visit, 20-29 minutes 19 17 $87

In context: peer comparison

Among 1 peers in Grand Ronde Optometrist, average services per provider: 36. This provider delivers 2.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Terri Knowles's medical specialty?
Dr. Terri Knowles practices Optometrist in Grand Ronde, OR.
Where does Dr. Terri Knowles practice?
Dr. Terri Knowles practices at 9615 Grand Ronde RD, Grand Ronde, OR 973479712. Office phone: 5038792097.
What is Dr. Terri Knowles's NPI?
Dr. Terri Knowles's National Provider Identifier (NPI) is 1922554542, issued by NPPES.
What procedures does Dr. Terri Knowles commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.