Joel Mendoza Dizon, O.D.
Optometrist · Tamuning, GU
Joel Mendoza Dizon, O.D. is an optometrist with a practice address in Tamuning, Guam, and NPI 1124383484, issued on Jul 11, 2012. Check the license (Guam OL-026, as entered in NPPES) with the Guam board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Joel Mendoza Dizon
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- OL-026 GU
Self-reported in NPPES; status is on the state search - Practice location
- 548 S Marine Corps Dr, Tamuning, GU 96913
- Phone
- (671) 646-5825
- Enumerated
- Jul 11, 2012
- Record last updated
- Jul 11, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (671) 647-3556
- Medicare enrollment
- Enrolled (PECOS I20260130000027); accepts Medicare assignment
- Medical or professional school
- Pacific University - College Of Optometry, 1992
- Entity
- Type 1 · individual
8 nearest optometrist records → All 16 in Guam → Look up another NPI →
Also registered at 548 S Marine Corps Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carmencita AtaligHome Health Registered Nurse1649820770
- Dean Baugh, D.D.S.Endodontics1902175334
- David Bero, D.D.S.Dentist1245508670
- Norhea Cando, RNHome Health Registered Nurse1023648896
- Thomas Caruso, R.PH.Pharmacist1154514412
- Sarah Clegg, D.D.SGeneral Practice Dentistry1457764417
Verify Joel Mendoza Dizon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Guam board licenses this profession
Search for license OL-026Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average optometrist in 2024
27 Medicare Part D claims, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 70% of claims.
Most prescribed
- Latanoprost13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $197.16
5 payments; by number, the most common kind was food and beverage; the largest payer was Bausch & Lomb Americas Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Optometric Associates OF Texas P.A.Cedar Hill, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joel Mendoza Dizon among 16 optometrist records in Guam
Joel Mendoza Dizon, O.D. is one of 16 optometrist records with a practice address in Guam. 38% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 69% of them.
- NPI issued2012 · 69% of these records are older, 25% newer
- In a Medicare fileYes · 38% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Record last updated2012 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Guam practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
11 optometrist records list a practice address in Tamuning
They are 11 of the 411 NPPES records with a practice address in Tamuning, and 16 optometrist records in Guam.
All 16 in Guam → Every provider in Tamuning → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Julian Archer, O.D.Tamuning, GU 969131558519363
- James Christian, O.D.Tamuning, GU 969131770539645
- Dante GarciaTamuning, GU 969131679634810
- Maria Henny Garcia, O.D.Tamuning, GU 969131629310875
- Cuong Huynh, ODTamuning, GU 969131265557490
- John Kim, ODTamuning, GU 969131093702615
- Jay McDonald, O.D.Tamuning, GU 969131316908684
- Marlene San Nicolas, O.D.Tamuning, GU 969131154381515
Common questions
What is Joel Mendoza Dizon, O.D.'s NPI number?
Joel Mendoza Dizon, O.D.'s National Provider Identifier (NPI) is 1124383484, issued on Jul 11, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Joel Mendoza Dizon, O.D. located?
The NPPES record lists a practice address at 548 S Marine Corps Dr, Tamuning, GU, 96913. Phone: (671) 646-5825. Providers update this record themselves, so call before visiting.
How can I verify Joel Mendoza Dizon, O.D.'s license?
NPPES lists Guam license number OL-026, as entered by the provider. Search the Guam board that licenses this profession; the NPPES record confirms identity only.
How much does Joel Mendoza Dizon, O.D. prescribe under Medicare Part D?
In 2024, Joel Mendoza Dizon, O.D. had 27 Medicare Part D claims; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.