Matthew Johnson, MD
Ophthalmology Physician · Westlake Village, CA
Matthew Johnson, MD is an ophthalmology physician with a practice address in Westlake Village, California, and NPI 1356967863, issued on Jun 20, 2020. Check the license (California A196440, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Matthew Johnson
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- A196440 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4353 Park Terrace Dr Ste 150, Westlake Village, CA 91361
- Phone
- (805) 987-5300
- Enumerated
- Jun 20, 2020
- Record last updated
- Jul 13, 2026
- Fax
- (818) 707-7668
- Medicare enrollment
- Enrolled (PECOS I20240807001223); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Also registered at 4353 Park Terrace Dr Ste 150
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Adam Abroms, MDOphthalmology Physician1497743702
- Alique Boulgourjian, ODOptometrist1891569356
- Joseph Chen, M.D.Ophthalmology Physician1639496953
- Lynn Huang, MD, MPHOphthalmology Physician1689808438
- Shalini Kapoor, M.D.Ophthalmology Physician1932206224
- Anh Le, OPTOMETRISTOptometrist1922158872
Verify Matthew Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A196440Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average ophthalmology physician in 2024
967 Medicare Part D claims for 303 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D.
Most prescribed
- Latanoprost230 claims
- Dorzolamide-Timolol130 claims
- Timolol Maleate109 claims
- Brimonidine Tartrate82 claims
- Prednisolone Acetate67 claims
- Dorzolamide Hcl51 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: $162.01
3 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. 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
- Retina Vitreous Associates Medical GroupLos Angeles, CA
- Usc Care Medical Group IncLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew Johnson among 2,899 ophthalmology physician records in California
Matthew Johnson, 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 2020, is newer than 94% of them.
- NPI issued2020 · 94% of these records are older, 4% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2020 · median 2001 among the 1,907 with a school on file
- Record last updated2026 · 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).
11 ophthalmology physician records list a practice address in Westlake Village
They are 11 of the 1,397 NPPES records with a practice address in Westlake Village, and 2,899 ophthalmology physician records in California.
All 2,899 in California → Every provider in Westlake Village → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Adam Abroms, MDWestlake Village, CA 913611497743702
- Joseph Chen, M.D.Westlake Village, CA 913611639496953
- Steven Corwin, MDThousand Oaks, CA 913611720089964
- Paul Dougherty, M.D.Westlake Village, CA 913611083744775
- Daniel Ebroon, M.D.Thousand Oaks, CA 913611023050655
- George Hoffman, MDWestlake Village, CA 913611689869356
- Lynn Huang, MD, MPHWestlake Village, CA 913611689808438
- Shalini Kapoor, M.D.Westlake Village, CA 913611932206224
Common questions
What is Matthew Johnson, MD's NPI number?
Matthew Johnson, MD's National Provider Identifier (NPI) is 1356967863, issued on Jun 20, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Johnson, MD located?
The NPPES record lists a practice address at 4353 Park Terrace Dr Ste 150, Westlake Village, CA, 91361. Phone: (805) 987-5300. Providers update this record themselves, so call before visiting.
How can I verify Matthew Johnson, MD's license?
NPPES lists California license number A196440, 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 Matthew Johnson, MD prescribe under Medicare Part D?
In 2024, Matthew Johnson, MD had 967 Medicare Part D claims for 303 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.