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Dr. Aidas Joseph Mattis, MD, PhD
NPI1558817817
- Publications
- 4
- Industry payments
- $450
- State licenses
- 2
- Year NPI issued
- 2016
- Practice address
- 14445 W Olive View Dr, Sylmar, CA 91342
- Practice phone
- Call (747) 210-3300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Olive View - UCLA Medical Center
Sylmar, California
Find Dr. Mattis' 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. Aidas Joseph Mattis is a pathologist in Sylmar, California
Dr. Mattis practices at Olive View - UCLA Medical Center in Sylmar, California.
Dr. Mattis' NPI, 1558817817, was assigned on August 28, 2016. Dr. Mattis graduated from University of Illinois College of Medicine - Chicago in 2016. Dr. Mattis holds California license A167909.
NPI and contact details
- NPI
- 1558817817NPI Registry (opens in a new tab)
- NPI enumeration date
- August 28, 2016
- NPI status
- Active
- Practice phone
- (747) 210-3300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Aidas Joseph Mattis practices at Olive View - UCLA Medical Center in Sylmar, California
Dr. Mattis' primary practice is Olive View - UCLA Medical Center, at 14445 W Olive View Dr, Sylmar, CA 91342 in Los Angeles County. The practice phone is (747) 210-3300.
- Olive View - UCLA Medical Center14445 W Olive View Dr, Sylmar, CA 91342 · Los Angeles CountyPhone(747) 210-3300
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Aidas Joseph Mattis is affiliated with 1 site of care
Dr. Mattis' primary practice is Olive View - UCLA Medical Center in Sylmar, California.
Olive View - UCLA Medical CenterPrimary
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Aidas Joseph Mattis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mattis practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Olive View - UCLA Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Aidas Joseph Mattis is one of 1,354 pathologists in California
Anatomic pathology and clinical pathology is Dr. Mattis' primary specialty in the NPI Registry, under taxonomy code 207ZP0102X. Dr. Mattis is board certified in pathology - anatomic/pathology - clinical by the American Board of Pathology. Dmand AI has Dr. Mattis' licenses on file in 2 states: California and Missouri.
Specialties and state licenses
- Anatomic pathology and clinical pathology, CaliforniaPrimary
- Missouri license
Pathologists near Dr. Mattis
Counts of pathologists with a Dmand AI profile, by place and practice. Each opens the list.
1,354pathologists in California
4pathologists in Sylmar
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Aidas Joseph Mattis has 4 publications on record
Dmand AI links 4 papers to Dr. Mattis, published from 2008 to 2024. The most frequent topics are Bacterial Proteins, Kinetics and Photosynthetic Reaction Center Complex Proteins. Dr. Mattis' most frequent co-author is Rehan Rais, MD.
Papers4
Years published2008 to 2024
Dr. Mattis' papers by year, 2008 to 2024
Topics Dr. Mattis writes about most
- Bacterial Proteins
- Kinetics
- Photosynthetic Reaction Center Complex Proteins
- Quinones
- Rhodobacter sphaeroides
Dr. Mattis' most frequent co-authors
Recent publications by Dr. Mattis
Biochim Biophys Acta
Bacterial ProteinsKineticsPhotosynthetic Reaction Center Complex Proteins
See who Dr. Mattis researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Mattis works with, so you can find a warm path to the right pathologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Aidas Joseph Mattis received $450 in industry payments from 2016 to 2025
CMS Open Payments shows 9 general payments to Dr. Mattis from 3 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Myriad Genetic Laboratories, Inc. paid the most, $375.
General payments to Dr. Mattis by program year, 2016 to 2025
Companies that paid Dr. Mattis the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Aidas Joseph Mattis graduated from University of Illinois College of Medicine - Chicago
Dr. Mattis graduated from University of Illinois College of Medicine - Chicago in 2016.
- Medical school
- Board certified in pathology - anatomic/pathology - clinical
Source: Dmand AI Professional Profile Data
Sources for Dr. Aidas Joseph Mattis'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| 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 |
| 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. Aidas Joseph Mattis
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. Aidas Joseph Mattis' NPI number?
Dr. Aidas Joseph Mattis' NPI number is 1558817817. It was assigned on August 28, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Aidas Joseph Mattis?
Dr. Aidas Joseph Mattis is a pathologist in Sylmar, California. The primary specialty in the NPI Registry is Anatomic Pathology & Clinical Pathology Physician (taxonomy code 207ZP0102X).
Where does Dr. Aidas Joseph Mattis practice?
Dr. Mattis practices at 14445 W Olive View Dr, Sylmar, CA 91342. Dr. Mattis' primary practice is Olive View - UCLA Medical Center in Sylmar, California.
What is Dr. Aidas Joseph Mattis' office phone number?
The practice phone on file for Dr. Mattis is (747) 210-3300.
What is Dr. Aidas Joseph Mattis' medical license number?
Dr. Mattis holds California license A167909, one of the licenses on file in 2 states.
Which states has Dr. Aidas Joseph Mattis been licensed in?
Dmand AI has state licenses on file for Dr. Mattis in California (2020 to 2026) and Missouri (2016 to 2020).
Is Dr. Aidas Joseph Mattis board certified?
Yes. Dr. Mattis is board certified in pathology - anatomic/pathology - clinical by the American Board of Pathology.
Where did Dr. Aidas Joseph Mattis go to medical school?
Dr. Mattis graduated from University of Illinois College of Medicine - Chicago in 2016.
Has Dr. Aidas Joseph Mattis received payments from drug or device companies?
CMS Open Payments shows $450 in general payments to Dr. Mattis from 3 companies from 2016 to 2025. The largest total came from Myriad Genetic Laboratories, Inc.
How long has Dr. Aidas Joseph Mattis been practicing?
Dr. Mattis graduated from medical school in 2016, 10 years ago.
Does Dr. Aidas Joseph Mattis do research?
Dmand AI links 4 publications to Dr. Mattis, published from 2008 to 2024.
Who does Dr. Aidas Joseph Mattis publish with?
Dr. Mattis' most frequent co-authors are Rehan Rais, MD (1 shared paper).
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