Doctor profile · Federal record

Dr. Jason Chang, O.D.

Optometrist (CMS: Optometry) · Santa Maria, CA

  • NPI 1558400663
  • Accepts Medicare
  • 20 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1414 E Main St
Santa Maria, CA 934544806
(805) 925-2637
fax (805) 347-0033
Mailing address
1245 Broad St
San Luis Obispo, CA 934013907

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
November 12, 2015
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
California #13148T

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558400663. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
171
Distinct HCPCS
5
Medicare allowed
$15,931
HCPCS Description Services Patients Avg allowed
92014 Established patient complete exam of visual system 71 71 $117
99213 Established patient office or other outpatient visit, 20-29 minutes 50 32 $79
92133 Imaging of optic nerve 20 17 $37
92083 Exam of visual field with extended testing 17 14 $67
92004 New patient complete exam of visual system 13 13 $137

In context: peer comparison

Among 4 peers in Santa Maria Optometrist, average services per provider: 75. This provider delivers 2.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$110
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
CooperVision INC. 1 $88.07
Alcon Vision LLC 1 $21.80

By nature of payment

Food and Beverage
$110

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
58
Patients
11
Total drug cost
$890
Drug Type Claims Patients Total cost
Latanoprost Generic 46 11 $643
Timolol Maleate Generic 12 0 $247

Frequently asked questions

Auto-generated from federal data
What is Dr. Jason Chang's medical specialty?
Dr. Jason Chang practices Optometrist in Santa Maria, CA.
Where does Dr. Jason Chang practice?
Dr. Jason Chang practices at 1414 E Main St, Santa Maria, CA 934544806. Office phone: 8059252637.
What is Dr. Jason Chang's NPI?
Dr. Jason Chang's National Provider Identifier (NPI) is 1558400663, issued by NPPES.
Does Dr. Jason Chang accept Medicare assignment?
Yes. Dr. Jason Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jason Chang commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Established patient office or other outpatient visit (HCPCS 99213); Imaging of optic nerve (HCPCS 92133). Source: CMS Medicare Physician & Other Practitioners file.