Doctor profile · Federal record

Dr. Robert Dirksen, O.D.

Optometrist (CMS: Optometry) · San Luis Obispo, CA

  • NPI 1174669899
  • Accepts Medicare
  • MIPS 95.6 / 100 · 2023
  • 24 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3855 Broad Street, Suite B
San Luis Obispo, CA 93401
(805) 545-7881
fax (805) 548-8785
Mailing address
Po Box 5357
San Luis Obispo, CA 934035357

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
May 5, 2017
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
California #12172

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1174669899. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
751
Distinct HCPCS
10
Medicare allowed
$78,204
HCPCS Description Services Patients Avg allowed
92014 Established patient complete exam of visual system 210 209 $136
92012 Established patient problem focused exam of visual system 105 102 $97
99213 Established patient office or other outpatient visit, 20-29 minutes 102 94 $95
99214 Established patient office or other outpatient visit, 30-39 minutes 89 63 $134
92004 New patient complete exam of visual system 68 68 $163
92133 Imaging of optic nerve 54 26 $18
92250 Photography of the retina 49 49 $40
92083 Exam of visual field with extended testing 28 26 $66
99212 Established patient office or other outpatient visit, 10-19 minutes 25 17 $60
92134 Imaging of retina 21 11 $21

In context: peer comparison

Among 5 peers in this city , average services per provider: 90. This provider delivers 8.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$208
Transactions
5
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Bausch & Lomb Americas Inc. 1 $119.76
Oyster Point Pharma, Inc. 1 $29.04
Johnson & Johnson Vision Care, Inc. 1 $23.52
SUN PHARMACEUTICAL INDUSTRIES INC. 1 $20.68
Astellas Pharma US Inc 1 $15.40

By nature of payment

Food and Beverage
$208

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
391
Patients
120
Total drug cost
$78,254
Drug Type Claims Patients Total cost
Latanoprost Generic 178 48 $2,682
Neomycin-Polymyxin-Dexameth (Neomycin/Polymyxin B/Dexametha) Brand 89 57 $1,172
Xiidra (Lifitegrast) Brand 48 15 $46,700
Restasis (Cyclosporine) Brand 22 0 $19,415
Timolol Maleate Generic 21 0 $280
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 18 0 $789
Cyclosporine Generic 15 0 $7,217

Frequently asked questions

Auto-generated from federal data
What is Dr. Robert Dirksen's medical specialty?
Dr. Robert Dirksen practices Optometrist in San Luis Obispo, CA.
Where does Dr. Robert Dirksen practice?
Dr. Robert Dirksen practices at 3855 Broad Street, San Luis Obispo, CA 93401. Office phone: 8055457881.
What is Dr. Robert Dirksen's NPI?
Dr. Robert Dirksen's National Provider Identifier (NPI) is 1174669899, issued by NPPES.
Does Dr. Robert Dirksen accept Medicare assignment?
Yes. Dr. Robert Dirksen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Dirksen commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Established patient problem focused exam of visual system (HCPCS 92012); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.