Dr. Matthew Allen De Niear, MD, PhD
- Medicare patients, 2024
- 18
- Part D claims, 2024
- 1,422
- Publications
- 15
- Industry payments
- $147
- Affiliated sites
- 1
- Practice address
- 901 Nevin Ave, Richmond, CA 94801
- Practice phone
- Call (510) 307-1555
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Richmond Medical Center
Richmond, California
Find Dr. De Niear'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 Allen De Niear is an ophthalmologist in Richmond, California
Dr. De Niear practices at Richmond Medical Center in Richmond, California.
Dr. De Niear's NPI, 1467942540, was assigned on May 15, 2018. Dr. De Niear graduated from Vanderbilt University School Of Medicine in 2018. Dr. De Niear's California license number on file is 166649.
- NPI
- 1467942540NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1052788734
- NPI enumeration date
- May 15, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (510) 307-1555
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Matthew Allen De Niear practices at Richmond Medical Center in Richmond, California
Dr. De Niear's primary practice is Richmond Medical Center, at 901 Nevin Ave, Richmond, CA 94801 in Contra Costa County. The practice phone is (510) 307-1555.
- Richmond Medical Center901 Nevin Ave, Richmond, CA 94801 · Contra Costa CountyPhone(510) 307-1555
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Matthew Allen De Niear is affiliated with 2 sites of care and 1 medical group
Dr. De Niear's primary practice is Richmond Medical Center in Richmond, California. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. De Niear to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Matthew Allen De Niear's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. De Niear practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Richmond Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Matthew Allen De Niear is one of 2,621 ophthalmologists in California
Ophthalmology is Dr. De Niear's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. De Niear is board certified in ophthalmology by the American Board of Ophthalmology. Dr. De Niear has a license on file in California.
Specialties and state licenses
- Ophthalmology, CaliforniaPrimary
Clinical focus
Dmand AI lists cataract, dry eye, eyelid inflammation and vision problems among the conditions Dr. De Niear treats.
Ophthalmologists near Dr. De Niear
Counts of ophthalmologists 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. Matthew Allen De Niear treated 18 Medicare patients in 2024, average age 67
CMS counts 18 Medicare patients who saw Dr. De Niear in 2024. 61% of them have high blood pressure. Their average risk score is 1.87, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. De Niear's median patient age at 65, with 67% women.
Chronic conditions among Dr. De Niear's Medicare patients, 2024
- High blood pressure61%
Share of Medicare patients with each condition. A patient can have several.
Dr. De Niear's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women67%
- Men32%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Matthew Allen De Niear wrote 1,422 Medicare Part D claims in 2024
In 2024, Dr. De Niear wrote 1,422 Medicare Part D claims for 452 patients. 61% of them were for generic drugs. CMS names the drug for 1,350 of them, across 12 drugs with 11 or more claims each, at $43,382 in total drug cost. In 2023, CMS named 1,084 claims across 12 drugs.
Dr. De Niear's Part D claims by kind of drug, 2024
- Generic864 claims61%
- Brand-name558 claims39%
Dr. De Niear'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: 1,0842024: 1,35025%
Drugs named by CMS: 12 in 2024, 12 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 Allen De Niear takes part in Medicare
Dr. De Niear accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Cataract surgery: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Matthew Allen De Niear has 15 publications on record
Dmand AI links 15 papers to Dr. De Niear, published from 2016 to 2023. 2016 was the busiest year, with 3. The most frequent topics are Acoustic Stimulation, Auditory Perception and Judgment. Dr. De Niear has published most often in Neurobiol Learn Mem. Dr. De Niear's most frequent co-authors are Mark Philip Breazzano, MD, Joseph Gigante, MD and John Greer, MD.
Dr. De Niear's papers by year, 2016 to 2023
Topics Dr. De Niear writes about most
- Acoustic Stimulation
- Auditory Perception
- Judgment
- Photic Stimulation
- Time Perception
- Visual Perception
- Random Allocation
Dr. De Niear's most frequent co-authors
- Mark Philip Breazzano, MD2 shared papers
- Joseph Gigante, MD1 shared paper
- John Greer, MD1 shared paper
Recent publications by Dr. De Niear
Neurobiol Learn Mem
See who Dr. De Niear researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. De Niear 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 Allen De Niear received $147 in industry payments from 2020 to 2021
CMS Open Payments shows 2 general payments to Dr. De Niear from 1 drug or device company from 2020 to 2021. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $147.
General payments to Dr. De Niear by program year, 2020 to 2021
Companies that paid Dr. De Niear the most, 2020 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Matthew Allen De Niear graduated from Vanderbilt University School Of Medicine
Dr. De Niear graduated from Vanderbilt University School Of Medicine in 2018.
- Medical school
- Board certified in ophthalmology
Source: Dmand AI Professional Profile Data
Dr. Matthew Allen De Niear accepts plans from 2 insurance carriers
Dr. De Niear is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. De Niear accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Matthew Allen De Niear'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 DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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)Doctors and Clinicians Utilization Data (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 Allen De Niear
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 Allen De Niear's NPI number?
Dr. Matthew Allen De Niear's NPI number is 1467942540. It was assigned on May 15, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Matthew Allen De Niear?
Dr. Matthew Allen De Niear is an ophthalmologist in Richmond, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Matthew Allen De Niear practice?
Dr. De Niear practices at 901 Nevin Ave, Richmond, CA 94801. Dr. De Niear's primary practice is Richmond Medical Center in Richmond, California. Dmand AI also links Dr. De Niear to 1 group practice or clinic.
What is Dr. Matthew Allen De Niear's office phone number?
The practice phone on file for Dr. De Niear is (510) 307-1555.
What is Dr. Matthew Allen De Niear's medical license number?
Dr. De Niear's California license number on file is 166649.
What medical group is Dr. Matthew Allen De Niear part of?
Dr. De Niear is linked to The Permanente Medical Group, Inc.
Does Dr. Matthew Allen De Niear accept Medicare?
Yes. CMS lists Dr. De Niear as accepting Medicare assignment.
How many Medicare patients does Dr. Matthew Allen De Niear see?
CMS counts 18 Medicare patients who saw Dr. De Niear in 2024, with an average age of 67.
Is Dr. Matthew Allen De Niear board certified?
Yes. Dr. De Niear is board certified in ophthalmology by the American Board of Ophthalmology.
Where did Dr. Matthew Allen De Niear go to medical school?
Dr. De Niear graduated from Vanderbilt University School Of Medicine in 2018.
Show 6 more questionsShow fewer questions
What drugs does Dr. Matthew Allen De Niear prescribe most?
In 2024 Medicare Part D data, Dr. De Niear's most prescribed drugs by claims were Prednisolone Acetate, Ofloxacin and Brimonidine Tartrate.
Has Dr. Matthew Allen De Niear received payments from drug or device companies?
CMS Open Payments shows $147 in general payments to Dr. De Niear from 1 company from 2020 to 2021. The largest total came from Alcon Laboratories Inc.
How long has Dr. Matthew Allen De Niear been practicing?
Dr. De Niear graduated from medical school in 2018, 8 years ago.
Does Dr. Matthew Allen De Niear do research?
Dmand AI links 15 publications to Dr. De Niear, published from 2016 to 2023.
Who does Dr. Matthew Allen De Niear publish with?
Dr. De Niear's most frequent co-authors are Mark Philip Breazzano, MD (2 shared papers), Joseph Gigante, MD (1 shared paper) and John Greer, MD (1 shared paper).
What insurance does Dr. Matthew Allen De Niear accept?
Dr. De Niear is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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