Dana Casey Chan, MD
Ophthalmology Physician · Oceanside, CA
Dana Casey Chan, MD is an ophthalmology physician with a practice address in Oceanside, California, and NPI 1972820033, issued on Apr 29, 2010. Check the license (California A134223, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Dana Casey Chan
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- A134223 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3621 Vista Way, Oceanside, CA 92056
- Phone
- (760) 757-1144
- Enumerated
- Apr 29, 2010
- Record last updated
- Jan 28, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (760) 859-4522
- Medicare enrollment
- Enrolled (PECOS I20160211001849); accepts Medicare assignment
- Medical or professional school
- Virginia Commonwealth University, School Of Medicine, 2010
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Also registered at 3621 Vista Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Long, O.D.Optometrist1275653560
- Asha Nuthi, D.O.Retina Specialist (Ophthalmology) Physician1851393243
Verify Dana Casey Chan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A134223Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% more Medicare Part D claims than the average ophthalmology physician in 2024
1,875 Medicare Part D claims for 469 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 45% of claims.
Most prescribed
- Latanoprost429 claims
- Prednisolone Acetate226 claims
- Dorzolamide-Timolol200 claims
- Polymyxin B Sul-Trimethoprim154 claims
- Timolol Maleate154 claims
- Brimonidine Tartrate104 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: $1,050.81
18 payments; by number, the most common kind was food and beverage; the largest payer was Glaukos Corporation. The 13,221 providers of this specialty with any payment received $4,535.02 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
- Scripps HealthLa Mesa, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dana Casey Chan among 2,899 ophthalmology physician records in California
Dana Casey Chan, MD is one of 2,899 ophthalmology physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 74% of them.
- NPI issued2010 · 74% of these records are older, 24% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2010 · median 2001 among the 1,907 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 207W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in California
There are 2,899 ophthalmology physician records in California.
All 2,899 in California → Every provider in Oceanside → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- William Maloney, MDOceanside, CA 920561457390999
- Robert Pendleton, MD PHDOceanside, CA 920561770556060
- Victor Wechter, M.D.Oceanside, CA 920561386714509
- Kenneth Brinsko, MDCamp Pendleton, CA 920551831191352
- Stephen O'ConnellCamp Pendleton, CA 920551396835302
- Anthony SkinnerOceanside, CA 920551568733681
- Andrew Ward, M.D.Oceanside, CA 920551992116032
- Lawrence Wood, MDCamp Pendleton, CA 920551326030008
Common questions
What is Dana Casey Chan, MD's NPI number?
Dana Casey Chan, MD's National Provider Identifier (NPI) is 1972820033, issued on Apr 29, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Dana Casey Chan, MD located?
The NPPES record lists a practice address at 3621 Vista Way, Oceanside, CA, 92056. Phone: (760) 757-1144. Providers update this record themselves, so call before visiting.
How can I verify Dana Casey Chan, MD's license?
NPPES lists California license number A134223, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Dana Casey Chan, MD prescribe under Medicare Part D?
In 2024, Dana Casey Chan, MD had 1,875 Medicare Part D claims for 469 beneficiaries; the average among ophthalmology physician prescribers was 1,518. 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.