Doctor profile · Federal record

Dr. Carol Buchanan, OD

Optometrist · Brentwood, CA

  • NPI 1336153741
  • 20 yrs on file
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
8440 Brentwood Blvd Ste F
Brentwood, CA 945131300
(925) 634-0303
fax (925) 634-0338

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
July 12, 2021
Specialty taxonomy
152W00000X — NUCC code
State license (1)
California #OPT 8323

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1336153741. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
265
Distinct HCPCS
7
Medicare allowed
$23,115
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 63 42 $107
92083 Exam of visual field with extended testing 50 33 $80
92133 Imaging of optic nerve 44 37 $43
92250 Photography of the retina 29 28 $45
92014 Established patient complete exam of visual system 28 28 $138
99214 Established patient office or other outpatient visit, 30-39 minutes 27 24 $151
92134 Imaging of retina 24 21 $50

In context: peer comparison

Among 2 peers in this city , average services per provider: 33. This provider delivers 8.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$50
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Alcon Vision LLC 1 $30.37
Johnson & Johnson Vision Care, Inc. 1 $19.33

By nature of payment

Food and Beverage
$50

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
112
Patients
18
Total drug cost
$3,974
Drug Type Claims Patients Total cost
Latanoprost Generic 81 18 $1,732
Timolol Maleate Generic 19 0 $136
Cyclosporine Generic 12 0 $2,107

Frequently asked questions

Auto-generated from federal data
What is Dr. Carol Buchanan's medical specialty?
Dr. Carol Buchanan practices Optometrist in Brentwood, CA.
Where does Dr. Carol Buchanan practice?
Dr. Carol Buchanan practices at 8440 Brentwood Blvd Ste F, Brentwood, CA 945131300. Office phone: 9256340303.
What is Dr. Carol Buchanan's NPI?
Dr. Carol Buchanan's National Provider Identifier (NPI) is 1336153741, issued by NPPES.
What procedures does Dr. Carol Buchanan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Exam of visual field with extended testing (HCPCS 92083); Imaging of optic nerve (HCPCS 92133). Source: CMS Medicare Physician & Other Practitioners file.