Doctor profile · Federal record

Dr. Alan Westeren, M.D.

Ophthalmology Physician (CMS: Ophthalmology) · San Diego, CA

  • NPI 1962513135
  • Accepts Medicare
  • 33 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
16486 Bernardo Center Dr, Suite C-150
San Diego, CA 921282518
(858) 673-2277
fax (858) 451-3733
Mailing address
4629 Cass St, #59
San Diego, CA 921092805

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
October 21, 2009
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
California #G79738
Medicaid
CA #00G797380

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1962513135. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
604
Distinct HCPCS
5
Medicare allowed
$35,269
HCPCS Description Services Patients Avg allowed
G2212 Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or 290 32 $33
92202 Extended exam of the back part of the eye with optic nerve drawing 116 32 $17
99215 Established patient office or other outpatient visit, 40-54 minutes 109 32 $191
92083 Exam of visual field with extended testing 64 23 $35
92133 Imaging of optic nerve 25 25 $23

In context: peer comparison

Among 32 peers in this city , average services per provider: 167. This provider delivers 3.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$81
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Dompe US, Inc. 1 $81.21

By nature of payment

Food and Beverage
$81

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
436
Patients
97
Total drug cost
$69,631
Drug Type Claims Patients Total cost
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 102 29 $2,840
Brimonidine Tartrate Generic 56 19 $1,964
Dorzolamide Hcl Generic 55 21 $1,197
Vyzulta (Latanoprostene Bunod) Brand 52 13 $19,107
Latanoprost Generic 35 15 $385
Alphagan P (Brimonidine Tartrate) Brand 26 0 $13,228
Rhopressa (Netarsudil Mesylate) Brand 26 0 $16,353
Minocycline Hcl Generic 22 0 $154
Prednisolone Acetate Generic 15 0 $633
Azopt (Brinzolamide) Brand 12 0 $5,349

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Alan Westeren's medical specialty?
Dr. Alan Westeren practices Ophthalmology Physician in San Diego, CA.
Where does Dr. Alan Westeren practice?
Dr. Alan Westeren practices at 16486 Bernardo Center Dr, San Diego, CA 921282518. Office phone: 8586732277.
What is Dr. Alan Westeren's NPI?
Dr. Alan Westeren's National Provider Identifier (NPI) is 1962513135, issued by NPPES.
Does Dr. Alan Westeren accept Medicare assignment?
Yes. Dr. Alan Westeren accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alan Westeren commonly perform?
Top Medicare-reported procedures in 2023: Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or (HCPCS G2212); Extended exam of the back part of the eye with optic nerve drawing (HCPCS 92202); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.