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Dr. Matthew Johnson, MD
NPI1356967863PAC ID3971927849
- Part D claims, 2024
- 967
- Publications
- 2
- Hospital affiliations
- 3
- Industry payments
- $1,176
- Medical groups
- 2
- Practice address
- 1500 San Pablo Street, Los Angeles, CA 90033
- Practice phone
- Call (323) 442-8656
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Johnson's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Matthew Johnson is an ophthalmologist in Los Angeles, California
Dr. Johnson practices at Keck Hospital of USC in Los Angeles, California, part of University of Southern California.
Dr. Johnson's NPI, 1356967863, was assigned on June 20, 2020. Dr. Johnson graduated from Wayne State University School Of Medicine in 2019. Dr. Johnson holds California license A196440.
NPI and contact details
- NPI
- 1356967863NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3971927849
- NPI enumeration date
- June 20, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (323) 442-8656
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 32
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Matthew Johnson practices at Keck Hospital of USC in Los Angeles, California
Dr. Johnson's primary practice is Keck Hospital of USC, at 1500 San Pablo Street, Los Angeles, CA 90033 in Los Angeles County. The practice phone is (323) 442-8656.
- Keck Hospital of USC1500 San Pablo Street, Los Angeles, CA 90033 · Los Angeles CountyPhone(323) 442-8656
Source: Dmand AI Affiliation Data
Dr. Matthew Johnson is affiliated with 6 sites of care and 2 medical groups
Dr. Johnson's primary practice is Keck Hospital of USC in Los Angeles, California, part of University of Southern California. Dr. Johnson is also affiliated with Los Angeles General Medical Center. The medical group on file is USC Care Medical Group. Dmand AI also links Dr. Johnson to 1 more hospital, 2 group practices and clinics, 1 urgent care center and 1 medical group, each named with a free account.
Los Angeles General Medical CenterUSC Care Medical Group1 hospitalName with a free account2 group practices and clinicsNames with a free account1 urgent care centerName with a free account1 medical groupName with a free account
See all 8 affiliations for Dr. JohnsonSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Matthew Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnson practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Keck Hospital of USC | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Matthew Johnson is one of 2,621 ophthalmologists in California
Ophthalmology is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Johnson is board certified in psychiatry by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Johnson's licenses on file in 2 states: California and Michigan.
Specialties and state licenses
- Ophthalmology, CaliforniaPrimary
- Michigan license
Ophthalmologists near Dr. Johnson
Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.
2,621ophthalmologists in California229ophthalmologists in Los Angeles17ophthalmologists at Keck Hospital of USC
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Matthew Johnson's patients have a median age of 60
Across all payers, Dmand AI patient panel data puts Dr. Johnson's median patient age at 60, with 51% women.
Dr. Johnson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women51%
- Men49%
Source: Dmand AI Patient Panel Data
Dr. Matthew Johnson wrote 967 Medicare Part D claims in 2024
In 2024, Dr. Johnson wrote 967 Medicare Part D claims for 303 patients. 74% of them were for generic drugs. CMS names the drug for 853 of them, across 16 drugs with 11 or more claims each, at $68,734 in total drug cost. In 2023, CMS named 149 claims across 6 drugs.
Part D claims, 2024967
Drugs named by CMS16
Total drug cost$68,734
Part D patients303
Dr. Johnson's Part D claims by kind of drug, 2024
- Generic711 claims74%
- Brand-name and other256 claims26%
Dr. Johnson's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1492024: 853472%
Drugs named by CMS: 16 in 2024, 6 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Matthew Johnson takes part in Medicare
Dr. Johnson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Matthew Johnson has 2 publications on record
Dmand AI links 2 papers to Dr. Johnson in 2016. 2016 was the busiest year, with 2. Dr. Johnson's most frequent co-authors are Philip A. Philips, MD and Steven C. Poplawski, MD.
Papers2
Dr. Johnson's most frequent co-authors
Recent publications by Dr. Johnson
See who Dr. Johnson researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Johnson works with, so you can find a warm path to the right ophthalmologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Matthew Johnson received $1,176 in industry payments from 2022 to 2025
CMS Open Payments shows 23 general payments to Dr. Johnson from 6 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $270.
General payments to Dr. Johnson by program year, 2022 to 2025
Companies that paid Dr. Johnson the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Matthew Johnson graduated from Wayne State University School Of Medicine
Dr. Johnson graduated from Wayne State University School Of Medicine in 2019.
- Medical school
- Board certified in psychiatry
Source: Dmand AI Professional Profile Data
Dr. Matthew Johnson accepts plans from 6 insurance carriers
Dr. Johnson is in network with 6 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- CMS Medicare
Plan types Dr. Johnson accepts, by number of carriers
- Medicare6
- PPO5
- HMO2
- POS2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Matthew Johnson's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Matthew Johnson
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Matthew Johnson's NPI number?
Dr. Matthew Johnson's NPI number is 1356967863. It was assigned on June 20, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Matthew Johnson?
Dr. Matthew Johnson is an ophthalmologist in Los Angeles, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Matthew Johnson practice?
Dr. Johnson practices at 1500 San Pablo Street, Los Angeles, CA 90033. Dr. Johnson's primary practice is Keck Hospital of USC in Los Angeles, California, part of University of Southern California. Dmand AI also links Dr. Johnson to 1 hospital, 2 group practices and clinics, 1 urgent care center and 1 medical group.
What is Dr. Matthew Johnson's office phone number?
The practice phone on file for Dr. Johnson is (323) 442-8656.
What is Dr. Matthew Johnson's medical license number?
Dr. Johnson holds California license A196440, one of the licenses on file in 2 states.
Which states has Dr. Matthew Johnson been licensed in?
Dmand AI has state licenses on file for Dr. Johnson in California (2024 to 2026) and Michigan (2020 to 2024).
Which hospitals is Dr. Matthew Johnson affiliated with?
Dr. Johnson practices at Keck Hospital of USC in Los Angeles, California. Dr. Johnson is also affiliated with Los Angeles General Medical Center. Dmand AI links Dr. Johnson to 1 more hospital.
What medical group is Dr. Matthew Johnson part of?
Dr. Johnson is linked to USC Care Medical Group. Dmand AI links Dr. Johnson to 1 more medical group.
Does Dr. Matthew Johnson accept Medicare?
Yes. CMS lists Dr. Johnson as accepting Medicare assignment.
Is Dr. Matthew Johnson board certified?
Yes. Dr. Johnson is board certified in psychiatry by the American Board of Psychiatry and Neurology.
Show 7 more questionsShow fewer questions
Where did Dr. Matthew Johnson go to medical school?
Dr. Johnson graduated from Wayne State University School Of Medicine in 2019.
What drugs does Dr. Matthew Johnson prescribe most?
In 2024 Medicare Part D data, Dr. Johnson's most prescribed drugs by claims were Latanoprost, Dorzolamide-Timolol and Timolol Maleate.
Has Dr. Matthew Johnson received payments from drug or device companies?
CMS Open Payments shows $1,176 in general payments to Dr. Johnson from 6 companies from 2022 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Matthew Johnson been practicing?
Dr. Johnson graduated from medical school in 2019, 7 years ago.
Does Dr. Matthew Johnson do research?
Dmand AI links 2 publications to Dr. Johnson.
Who does Dr. Matthew Johnson publish with?
Dr. Johnson's most frequent co-authors are Philip A. Philips, MD (1 shared paper) and Steven C. Poplawski, MD (1 shared paper).
What insurance does Dr. Matthew Johnson accept?
Dr. Johnson is in network with 6 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
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