Doctor profile · Federal record

Dr. Joel Dizon, O.D.

Optometrist (CMS: Optometry) · Tamuning, GU

  • NPI 1124383484
  • Accepts Medicare
  • 34 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
548 S Marine Corps Dr
Tamuning, GU 969133539
(671) 646-5825
fax (671) 647-3556
Mailing address
Po Box 6578
Tamuning, GU 969316578

Credentials & registration

NPPES · NUCC
NPI registered
July 2012 — 14 yrs on file
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Guam #OL-026

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1124383484. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
45
Distinct HCPCS
2
Medicare allowed
$3,275
HCPCS Description Services Patients Avg allowed
92250 Photography of the retina 27 27 $37
92014 Established patient complete exam of visual system 18 18 $127

In context: peer comparison

Among 4 peers in this city , average services per provider: 39. This provider delivers 1.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$197
Transactions
5
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Bausch & Lomb Americas Inc. 1 $107.14
Alcon Vision LLC 2 $56.07
Johnson & Johnson Vision Care, Inc. 1 $17.75
CooperVision Inc. 1 $16.20

By nature of payment

Food and Beverage
$197

Frequently asked questions

Auto-generated from federal data
What is Dr. Joel Dizon's medical specialty?
Dr. Joel Dizon practices Optometrist in Tamuning, GU.
Where does Dr. Joel Dizon practice?
Dr. Joel Dizon practices at 548 S Marine Corps Dr, Tamuning, GU 969133539. Office phone: 6716465825.
What is Dr. Joel Dizon's NPI?
Dr. Joel Dizon's National Provider Identifier (NPI) is 1124383484, issued by NPPES.
Does Dr. Joel Dizon accept Medicare assignment?
Yes. Dr. Joel Dizon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joel Dizon commonly perform?
Top Medicare-reported procedures in 2023: Photography of the retina (HCPCS 92250); Established patient complete exam of visual system (HCPCS 92014). Source: CMS Medicare Physician & Other Practitioners file.