Dr. Robert John Matyas II, DO
- Part D claims, 2024
- 2,504
- Hospital affiliations
- 1
- Medical group
- 1
- Insurance carriers
- 1
- State license
- 1
- Practice address
- 4867 Sunset Blvd, Los Angeles, CA 90027
- Practice phone
- Call (323) 783-4011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Matyas' professional email, personal email and mobile number
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Dr. Robert John Matyas II is a family medicine physician in Los Angeles, California
Dr. Matyas practices at Kaiser Permanente Los Angeles Medical Center in Los Angeles, California, part of Kaiser Permanente.
Dr. Matyas' NPI, 1578543831, was assigned on January 20, 2006. Dr. Matyas graduated from Pcom in 2002. Dr. Matyas holds California license 20A11040.
- NPI
- 1578543831NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4587850482
- NPI enumeration date
- January 20, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (323) 783-4011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert John Matyas II practices at Kaiser Permanente Los Angeles Medical Center in Los Angeles, California
Dr. Matyas' primary practice is Kaiser Permanente Los Angeles Medical Center, at 4867 Sunset Blvd, Los Angeles, CA 90027 in Los Angeles County. The practice phone is (323) 783-4011.
- Kaiser Permanente Los Angeles Medical Center4867 Sunset Blvd, Los Angeles, CA 90027 · Los Angeles CountyPhone(323) 783-4011
Source: Dmand AI Affiliation Data
Dr. Robert John Matyas II is affiliated with 1 site of care and 1 medical group
Dr. Matyas' primary practice is Kaiser Permanente Los Angeles Medical Center in Los Angeles, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Robert John Matyas II's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Matyas practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente Los Angeles Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert John Matyas II is one of 15,680 family medicine physicians in California
Family medicine is Dr. Matyas' primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Matyas is board certified in 2023 - 2026 by the AK State License. Dr. Matyas is licensed in California.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
Family medicine physicians near Dr. Matyas
Counts of family medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Robert John Matyas II's patients have a median age of 43
Across all payers, Dmand AI patient panel data puts Dr. Matyas' median patient age at 43, with 64% women.
Dr. Matyas' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 43
Patient panel by sex, all payers
- Women64%
- Men36%
Source: Dmand AI Patient Panel Data
Dr. Robert John Matyas II wrote 2,504 Medicare Part D claims in 2024
In 2024, Dr. Matyas wrote 2,504 Medicare Part D claims for 959 patients. 89% of them were for generic drugs. CMS names the drug for 1,971 of them, across 57 drugs with 11 or more claims each, at $50,419 in total drug cost. In 2023, CMS named 1,859 claims across 52 drugs.
Dr. Matyas' Part D claims by kind of drug, 2024
- Generic2,226 claims89%
- Brand-name238 claims10%
- Other40 claims2%
Dr. Matyas' 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.
Drug classes CMS tracks in Dr. Matyas' Part D claims, 2024
- Opioids3%68 of 2,504 claims
- Antibiotics6%154 of 2,504 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,8592024: 1,9716%
Drugs named by CMS: 57 in 2024, 52 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. Robert John Matyas II takes part in Medicare
Dr. Matyas 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. Robert John Matyas II graduated from Pcom
Dr. Matyas graduated from Pcom in 2002.
- Medical school
- Board certified in 2023 - 2026
- Board certified in family medicine
- Board certified in 2023 - 2026
- Board certified in 2009 - 2026
- Board certified in 2022 - present
- Board certified in 2006 - 2026
- Board certified in 2023 - 2025
- Board certified in 2023 - 2026
- Board certified in 2023 - 2026
- Board certified in 2023 - 2025
- Board certified in 2022 - 2025
- Board certified in 2023 - 2026
- Board certified in 2023 - 2025
- Board certified in 2023 - 2026
- Board certified in 2023 - 2025
- Board certified in 2023 - 2026
- Board certified in 2023 - 2027
- Board certified in 2023 - 2025
- Board certified in 2023 - 2026
- Board certified in 2023 - 2026
- Board certified in 2023 - 2025
- Board certified in 2023 - 2026
- Board certified in 2023 - 2027
- Board certified in 2023 - 2025
- Board certified in active through 2027
- Board certified in 2023 - 2026
- Board certified in 2023 - 2026
- Board certified in 2023 - 2025
- Board certified in 2023 - 2026
Source: Dmand AI Professional Profile Data
Dr. Robert John Matyas II accepts plans from 1 insurance carrier
Dr. Matyas is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
Plan types Dr. Matyas accepts, by number of carriers
- EPO1
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Robert John Matyas II'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) |
| 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. Robert John Matyas II
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. Robert John Matyas II's NPI number?
Dr. Robert John Matyas II's NPI number is 1578543831. It was assigned on January 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert John Matyas II?
Dr. Robert John Matyas II is a family medicine physician in Los Angeles, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Robert John Matyas II practice?
Dr. Matyas practices at 4867 Sunset Blvd, Los Angeles, CA 90027. Dr. Matyas' primary practice is Kaiser Permanente Los Angeles Medical Center in Los Angeles, California, part of Kaiser Permanente.
What is Dr. Robert John Matyas II's office phone number?
The practice phone on file for Dr. Matyas is (323) 783-4011.
What is Dr. Robert John Matyas II's medical license number?
Dr. Matyas holds California license 20A11040.
Which hospitals is Dr. Robert John Matyas II affiliated with?
Dr. Matyas practices at Kaiser Permanente Los Angeles Medical Center in Los Angeles, California.
What medical group is Dr. Robert John Matyas II part of?
Dr. Matyas is linked to Southern California Permanente Medical Group.
Does Dr. Robert John Matyas II accept Medicare?
Yes. CMS lists Dr. Matyas as accepting Medicare assignment.
Is Dr. Robert John Matyas II board certified?
Yes. Dr. Matyas is board certified in 2023 - 2026 by the AK State License.
Where did Dr. Robert John Matyas II go to medical school?
Dr. Matyas graduated from Pcom in 2002.
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What drugs does Dr. Robert John Matyas II prescribe most?
In 2024 Medicare Part D data, Dr. Matyas' most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Amlodipine Besylate.
How long has Dr. Robert John Matyas II been practicing?
Dr. Matyas graduated from medical school in 2002, 24 years ago.
What insurance does Dr. Robert John Matyas II accept?
Dr. Matyas is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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