Irene M. Lin-Dilorinzo, O.D.
Optometrist · Dana Point, CA
Irene M. Lin-Dilorinzo, O.D. is an optometrist with a practice address in Dana Point, California, and NPI 1649234154, issued on Apr 12, 2006. Check the license (California 9909T, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Irene M. Lin-Dilorinzo
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 9909T CA
Self-reported in NPPES; status is on the state search - Practice location
- 32932 Pacific Coast Hwy, Dana Point, CA 92629
- Phone
- (949) 487-3937
- Enumerated
- Apr 12, 2006
- Record last updated
- May 26, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (949) 487-3913
- Medicaid ID
- SD0099090 CA
- Medicare enrollment
- Enrolled (PECOS I20041029000554); may accept Medicare assignment
- Medical or professional school
- Southern California College Of Optometry, 1992
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Verify Irene M. Lin-Dilorinzo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 9909TCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Monarch Bay Optometry, Inc.Dana Point, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Irene M. Lin-Dilorinzo among 8,308 optometrist records in California
Irene M. Lin-Dilorinzo, O.D. is one of 8,308 optometrist records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 66% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated1992 · median 2008 among the 3,573 with a school on file
- Record last updated2016 · 67% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Optometrist providers in California
There are 8,308 optometrist records in California.
All 8,308 in California → Every provider in Dana Point → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Natalie Karlinsey, ODMonarch Beach, CA 926291205520236
- William Petersen, O.D.Dana Point, CA 926291477690105
- John Spaeth, O.D.Dana Point, CA 926291508835919
- Bruce Wagner, ODMonarch Beach, CA 926291053434035
- Cheryl Alderson, O.D.Lake Forest, CA 926301366521809
- Jacqueline Cullinane, ODLake Forest, CA 926301689645046
- John Deguzman Celis, O.D.Lake Forest, CA 926301861542714
- Charles Dominguez, O.D.Lake Forest, CA 926301063437507
Common questions
What is Irene M. Lin-Dilorinzo, O.D.'s NPI number?
Irene M. Lin-Dilorinzo, O.D.'s National Provider Identifier (NPI) is 1649234154, issued on Apr 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Irene M. Lin-Dilorinzo, O.D. located?
The NPPES record lists a practice address at 32932 Pacific Coast Hwy, Dana Point, CA, 92629. Phone: (949) 487-3937. Providers update this record themselves, so call before visiting.
How can I verify Irene M. Lin-Dilorinzo, O.D.'s license?
NPPES lists California license number 9909T, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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.