MR. JOEL MENDOZA DIZON O.D.
NPI 1124383484
Optometrist in Tamuning, GU
About Mr. Joel Mendoza Dizon O.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. JOEL MENDOZA DIZON O.D. (NPI 1124383484) is an individual optometrist in Tamuning, Guam, licensed in Guam (OL-026) and active in the NPI registry since July 2012. He is enrolled in Medicare PECOS and is a graduate of Pacific University - College Of Optometry (1992).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mr. Joel Mendoza Dizon O.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Joel Dizon reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bend, OR 97703
- Reassigned Medicare billing, Washington enrollment
- 8 clinicians in this Medicare group
Arlington, TX 76015
- Reassigned Medicare billing, Texas enrollment
- 15 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 96913 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
TAMUNING, GU 96913
TAMUNING, GU 96913
TAMUNING, GU 96913
TAMUNING, GU 96913
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Joel Dizon's NPI number?
The NPI number for Joel Dizon is 1124383484. It was assigned to this individual provider in the NPPES registry on July 11, 2012.
Where is Joel Dizon located?
Joel Dizon practices at 548 S Marine Corps Dr, Tamuning, GU 96913. The listed phone number is (671) 646-5825.
What is Joel Dizon's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Joel Dizon enrolled in Medicare?
Yes. Joel Dizon is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Joel Dizon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joel Dizon reassigns Medicare benefits to 2 organizations: Pacific Eye Group, PC (Bend, OR) and Optometric Associates Of Texas P.A. (Arlington, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Joel Dizon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Joel Dizon accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana, BlueCross BlueShield of Tennessee and Oscar Insurance Company and 1 other insurer list Joel Dizon as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Joel Dizon was last updated on July 11, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Mr. Joel Mendoza Dizon, O.D. · NPI 1124383484
Optometrist provider in Tamuning, GU. Individual provider, active in the CMS NPPES registry since July 11, 2012.
## Identity
- **NPI:** 1124383484 (Entity type: Individual)
- **Enumerated:** July 11, 2012
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** OL-026 (GU)
- **Sole proprietor:** No
## Practice location
- **Address:** 548 S MARINE CORPS DR, Tamuning, GU 96913-3539
- **Phone:** (671) 646-5825 · **Fax:** (671) 647-3556
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Pacific Eye Group, PC (NPI 1831656925, Bend, OR); Optometric Associates Of Texas P.A. (NPI 1043222888, Arlington, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Pacific University - College Of Optometry, class of 1992
## Record status
- **NPPES last updated:** July 11, 2012
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Source: [NPI Profile](https://npiprofile.com/npi/1124383484) · Data from the CMS NPPES public registry.