Doctor profile · Federal record

Dr. Diana Kersten, M.D.

Ophthalmology Physician · Laguna Hills, CA

  • NPI 1154387595
  • MIPS 75.4 / 100 · 2023
  • 20 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
24401 Calle de la Louisa, Suite 300
Laguna Hills, CA 926533623
(949) 951-2020
fax (949) 951-9244

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
December 2, 2008
Specialty taxonomy
207W00000X — NUCC code
State license (1)
California #A42878

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1154387595. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,683
Distinct HCPCS
10
Medicare allowed
$460,529
HCPCS Description Services Patients Avg allowed
92014 Established patient complete exam of visual system 538 436 $143
92134 Imaging of retina 451 416 $44
66984 Removal of cataract with insertion of prosthetic lens 371 241 $531
92136 Measurement of corneal curvature and depth of eye 333 243 $48
92025 Ct scan of cornea 305 296 $41
92004 New patient complete exam of visual system 158 158 $169
92012 Established patient problem focused exam of visual system 155 114 $102
66821 Removal of recurring cataract in lens capsule using a laser 127 97 $348
92133 Imaging of optic nerve 100 63 $40
92083 Exam of visual field with extended testing 38 38 $72

In context: peer comparison

Among 4 peers in Laguna Hills Ophthalmology Physician, average services per provider: 649. This provider delivers 4.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$504
Transactions
10
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Alcon Vision LLC 7 $339.20
Bausch & Lomb Americas INC. 1 $101.61
RxSight INC 1 $36.17
Regeneron Healthcare Solutions, INC. 1 $26.96

By nature of payment

Food and Beverage
$504

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
581
Patients
208
Total drug cost
$51,098
Drug Type Claims Patients Total cost
Latanoprost Generic 222 56 $4,036
Timolol Maleate Generic 60 13 $1,916
Difluprednate Generic 59 48 $7,473
Prolensa (Bromfenac Sodium) Brand 55 45 $19,607
Prednisolone Acetate Generic 37 27 $1,509
Ofloxacin Generic 34 19 $582
Alphagan P (Brimonidine Tartrate) Brand 29 0 $8,340
Doxycycline Hyclate Generic 15 0 $631
Brimonidine Tartrate-Timolol (Brimonidine Tartrate/Timolol) Brand 13 0 $3,128
Brimonidine Tartrate Generic 12 0 $921

Frequently asked questions

Auto-generated from federal data
What is Dr. Diana Kersten's medical specialty?
Dr. Diana Kersten practices Ophthalmology Physician in Laguna Hills, CA.
Where does Dr. Diana Kersten practice?
Dr. Diana Kersten practices at 24401 Calle de la Louisa, Laguna Hills, CA 926533623. Office phone: 9499512020.
What is Dr. Diana Kersten's NPI?
Dr. Diana Kersten's National Provider Identifier (NPI) is 1154387595, issued by NPPES.
What procedures does Dr. Diana Kersten commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Imaging of retina (HCPCS 92134); Removal of cataract with insertion of prosthetic lens (HCPCS 66984). Source: CMS Medicare Physician & Other Practitioners file.