Douglas Matsunaga
Ophthalmology Physician · Los Angeles, CA
Douglas Matsunaga is an ophthalmology physician with a practice address in Los Angeles, California, and NPI 1821450818, issued on Mar 28, 2016. Check the license (California A168505, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Douglas Matsunaga
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- A168505 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1245 Wilshire Blvd Ste 380, Los Angeles, CA 90017
- Phone
- (213) 483-8810
- Enumerated
- Mar 28, 2016
- Record last updated
- Feb 16, 2026
- Fax
- (213) 975-9118
- Medicare enrollment
- Enrolled (PECOS I20200526001696); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 2015
- Entity
- Type 1 · individual
Also registered at 1245 Wilshire Blvd Ste 380
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Boyer, MDOphthalmology Physician1295736916
- Thomas Chu, MDOphthalmology Physician1760482806
- David Liao, M.D.,PH.D.Ophthalmology Physician1962541847
- Daniel Su, M.D.Retina Specialist (Ophthalmology) Physician1508109133
- Jeffrey Tan, M.D.Ophthalmology Physician1033407549
Verify Douglas Matsunaga in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A168505Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% fewer Medicare Part D claims than the average ophthalmology physician in 2024
588 Medicare Part D claims for 169 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 44% of claims.
Most prescribed
- Prednisolone Acetate147 claims
- Latanoprost92 claims
- Ketorolac Tromethamine61 claims
- Brimonidine Tartrate51 claims
- Dorzolamide-Timolol44 claims
- Ofloxacin38 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: $707.64
15 payments; by number, the most common kind was food and beverage; the largest payer was Apellis Pharmaceuticals, Inc. 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 2 group practices
- Pacific Eye Institute A Medical Group IncUpland, CA
- Retina Vitreous Associates Medical GroupLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ophthalmology Physician providers in California
There are 2,899 ophthalmology physician records in California.
Other ophthalmology physician records in California
- Sam Abbassi, MD, MSWest Hills, CA1881937720
- Richard Abbott, M.D.San Francisco, CA1346276573
- Jean-Paul Abboud, M.D., PH.D.Del Mar, CA1760776728
- Nizar Abdelfattah, MDPasadena, CA1801359393
- Parastou Abedi, MDAliso Viejo, CA1720067333
- Shahla Abedi, MDAliso Viejo, CA1467431072
- Lilit Ablabutyan, M.D.Glendale, CA1497013064
- Nathan Abraham, M.D.Valencia, CA1306224456
- James Abrams, M.D.San Bruno, CA1912903329
- Adam Abroms, MDWestlake Village, CA1497743702
Common questions
What is Douglas Matsunaga's NPI number?
Douglas Matsunaga's National Provider Identifier (NPI) is 1821450818, issued on Mar 28, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Douglas Matsunaga located?
The NPPES record lists a practice address at 1245 Wilshire Blvd Ste 380, Los Angeles, CA, 90017. Phone: (213) 483-8810. Providers update this record themselves, so call before visiting.
How can I verify Douglas Matsunaga's license?
NPPES lists California license number A168505, 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 Douglas Matsunaga prescribe under Medicare Part D?
In 2024, Douglas Matsunaga had 588 Medicare Part D claims for 169 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.