Doctor profile · Federal record

Dr. Rex Werner, O.D.

Optometrist (CMS: Optometry) · Vision Therapy Optometrist · El Cajon, CA

  • NPI 1821259458
  • Accepts Medicare
  • 18 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2650 Jamacha RD, Suite 155
El Cajon, CA 920194319
(619) 670-6296
fax (619) 670-8852

Credentials & registration

NPPES · NUCC
NPI registered
June 2008 — 18 yrs on file
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
California #CA 13478TPA

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821259458. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$15,523
Transactions
26
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
CooperVision INC. 14 $8,177.94
Lumenis Be INC 1 $5,783.04
Apellis Pharmaceuticals, INC. 1 $622.00
Topcon Healthcare, INC. 3 $337.48
Glaukos Corporation 2 $288.83
Alcon Vision LLC 2 $147.25
Optos, INC. 2 $119.56
Abbvie INC. 1 $47.17

By nature of payment

Food and Beverage
$7,205
Compensation for Services Other Than Consulting, Including Serving As Faculty or As A Speaker at A Venue Other Than A Continuing Education Program
$4,060
Travel and Lodging
$3,157
Honoraria
$622
Consulting Fee
$360
Entertainment
$120

Frequently asked questions

Auto-generated from federal data
What is Dr. Rex Werner's medical specialty?
Dr. Rex Werner practices Optometrist in El Cajon, CA.
Where does Dr. Rex Werner practice?
Dr. Rex Werner practices at 2650 Jamacha RD, El Cajon, CA 920194319. Office phone: 6196706296.
What is Dr. Rex Werner's NPI?
Dr. Rex Werner's National Provider Identifier (NPI) is 1821259458, issued by NPPES.
Does Dr. Rex Werner accept Medicare assignment?
Yes. Dr. Rex Werner accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.