CaliforniaComorbidityDiagnosis, Differential
Dr. Robert Anthony Dias, MD
NPI1407902612PAC ID8426172693
- Medicare services, 2024
- 277
- Medicare patients, 2024
- 289
- Part D claims, 2024
- 101
- Publications
- 5
- MIPS score, 2024
- 100
- Practice address
- 3000 Q St Fl 1 Fl 1, Sacramento, CA 95816-7058
- Practice phone
- Call (916) 560-0319
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mercy Medical Group, A Service Of Dignity Health Medical Foundation
Multi-specialty group site · Sacramento, California
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Dr. Robert Anthony Dias is a neurologist in Sacramento, California
Dr. Dias practices at Mercy Medical Group, A Service Of Dignity Health Medical Foundation in Sacramento, California.
Dr. Dias' NPI, 1407902612, was assigned on January 28, 2007. Dr. Dias graduated from University of Maryland School of Medicine - Baltimore in 2005. Dr. Dias holds California license A97143.
NPI and contact details
- NPI
- 1407902612NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8426172693
- NPI enumeration date
- January 28, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (916) 560-0319
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert Anthony Dias practices at Mercy Medical Group, A Service of Dignity Health Medical Foundation in Sacramento, California
Dr. Dias' primary practice is Mercy Medical Group, A Service of Dignity Health Medical Foundation, at 3000 Q St Fl 1 Fl 1, Sacramento, CA 95816-7058. The practice phone is (916) 560-0319.
- Mercy Medical Group, A Service of Dignity Health Medical Foundation3000 Q St Fl 1 Fl 1, Sacramento, CA 95816-7058Phone(916) 560-0319
Source: Dmand AI Affiliation Data
Dr. Robert Anthony Dias is affiliated with 1 site of care and 1 medical group
Dr. Dias' primary practice is Mercy Medical Group, A Service Of Dignity Health Medical Foundation in Sacramento, California. The medical group on file is Mercy Medical Group.
Mercy Medical Group, A Service Of Dignity Health Medical FoundationPrimary
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Robert Anthony Dias' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dias practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Medical Group, A Service Of Dignity Health Medical Foundation | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert Anthony Dias is one of 2,207 neurologists in California
Neurology is Dr. Dias' primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Dias is board certified in clinical neurophysiology by the American Board of Psychiatry and Neurology. Dr. Dias is licensed in California.
Specialties and state licenses
- Neurology, CaliforniaPrimary
Clinical focus
Dmand AI lists restless legs syndrome and sleep apnea among the conditions Dr. Dias treats.
Neurologists near Dr. Dias
Counts of neurologists 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 Anthony Dias billed Medicare for 277 services in 2024
CMS data shows 277 Medicare services from Dr. Dias across 3 procedure codes in 2024, all of them office visits, for 289 Medicare patients. Medicare paid $27,430 for them. Every service was in an office.
Medicare services, 2024277
Medicare patients289
Paid by Medicare$27,430
Procedure codes3
Dr. Dias' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6662024: 27758%
- Other services
- 2023: 232024: 0100%
Dr. Dias compared with the California median for neurologists, 2024
- Dr. Dias
- California median
- Medicare services
- 277vs 40431% below
- Medicare patients
- 289vs 19052% above
- Part D claims
- 36vs 32489% below
Medians across 1,995 neurologists in California with Dmand AI profiles that report each measure.
Dr. Dias' most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Dias?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Dias and other neurologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert Anthony Dias treated 289 Medicare patients in 2024, average age 71
CMS counts 289 Medicare patients who saw Dr. Dias in 2024. The largest group is 65 to 74, with 154 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 24% are also on Medicaid. Their average risk score is 1.37, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Dias' median patient age at 53, with 53% women.
Medicare patients, 2024289
Average age71
Average risk score1.37
Also on Medicaid24%
Dr. Dias' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Dias' Medicare patients by sex, 2024
- Women14952%
- Men14048%
Chronic conditions among Dr. Dias' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis54%
- Diabetes38%
- Mood disorders33%
- Anxiety30%
- Depression29%
- Chronic kidney disease26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Dias' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 53
Patient panel by sex, all payers
- Women53%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert Anthony Dias wrote 101 Medicare Part D claims in 2024
In 2024, Dr. Dias wrote 101 Medicare Part D claims for 29 patients. 88% of them were for generic drugs. CMS names the drug for 36 of them, across 1 drug with 11 or more claims each, at $877 in total drug cost. In 2023, CMS named 74 claims across 2 drugs.
Part D claims, 2024101
Drugs named by CMS1
Total drug cost$877
Part D patients29
Dr. Dias' Part D claims by kind of drug, 2024
- Generic89 claims88%
- Brand-name12 claims12%
Dr. Dias' 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: 742024: 3651%
Drugs named by CMS: 1 in 2024, 2 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
Dr. Robert Anthony Dias scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Dias for performance year 2024, reported through an alternative payment model (APM). Dr. Dias accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Dias' MIPS scores, performance year 2024
- 100of 100Final score
- 86.3of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Robert Anthony Dias has 5 publications on record
Dmand AI links 5 papers to Dr. Dias, published from 2009 to 2012. The most frequent topics are Behavior, Animal, Hippocampus and Neuropsychological Tests. Dr. Dias' most frequent co-authors are Mark Angel Agius, MD, Michelle L. Apperson, MD, PhD and Lisa M. Bateman, MD.
Papers5
Years published2009 to 2012
Topics Dr. Dias writes about most
- Behavior, Animal
- Hippocampus
- Neuropsychological Tests
Dr. Dias' most frequent co-authors
- Mark Angel Agius, MD1 shared paper
- Michelle L. Apperson, MD, PhD1 shared paper
- Lisa M. Bateman, MD1 shared paper
Recent publications by Dr. Dias
6-Cyano-7-nitroquinoxaline-2,3-dioneAnalysis of VarianceAnesthetics, Local
ArmBehavior, AnimalCallithrix
Behav Neurosci
Discrimination, PsychologicalEntorhinal CortexForm Perception
Epilepsy Behav
AnticonvulsantsDepressionEpilepsy
See who Dr. Dias researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Dias works with, so you can find a warm path to the right neurologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Robert Anthony Dias received $129 in industry payments from 2017 to 2019
CMS Open Payments shows 3 general payments to Dr. Dias from 2 drug and device companies from 2017 to 2019. Food and beverage make up the largest share, 100% of the total. LivaNova USA, Inc. paid the most, $117.
General payments to Dr. Dias by program year, 2017 to 2019
Companies that paid Dr. Dias the most, 2017 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert Anthony Dias has 1 award and honors on record
Dmand AI lists 1 award for Dr. Dias, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Dias
- 2013
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. Robert Anthony Dias graduated from University of Maryland School of Medicine - Baltimore
Dr. Dias graduated from University of Maryland School of Medicine - Baltimore in 2005.
- Medical school
- Board certified in clinical neurophysiology
- Board certified in neurology
- Board certified in sleep medicine
Source: Dmand AI Professional Profile Data
Dr. Robert Anthony Dias accepts plans from 10 insurance carriers
Dr. Dias is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- Elevance
- HCSC
- Regence Health Plans
- Alliant Health Plans
- +2 more carriersWith a free account
Plan types Dr. Dias accepts, by number of carriers
- PPO8
- Medicare6
- HMO5
- POS3
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Robert Anthony Dias'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 Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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)Clinician Public Reporting: Overall MIPS Performance (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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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 Anthony Dias
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 Anthony Dias' NPI number?
Dr. Robert Anthony Dias' NPI number is 1407902612. It was assigned on January 28, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert Anthony Dias?
Dr. Robert Anthony Dias is a neurologist in Sacramento, California. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Robert Anthony Dias practice?
Dr. Dias practices at 3000 Q St Fl 1 Fl 1, Sacramento, CA 95816-7058. Dr. Dias' primary practice is Mercy Medical Group, A Service Of Dignity Health Medical Foundation in Sacramento, California.
What is Dr. Robert Anthony Dias' office phone number?
The practice phone on file for Dr. Dias is (916) 560-0319.
What is Dr. Robert Anthony Dias' medical license number?
Dr. Dias holds California license A97143.
What medical group is Dr. Robert Anthony Dias part of?
Dr. Dias is linked to Mercy Medical Group.
Does Dr. Robert Anthony Dias accept Medicare?
Yes. CMS data shows Dr. Dias billed Medicare for 277 services in 2024, and Dr. Dias accepts Medicare assignment.
What is Dr. Robert Anthony Dias' MIPS score?
Dr. Dias' MIPS final score for performance year 2024 is 100 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Robert Anthony Dias see?
CMS counts 289 Medicare patients who saw Dr. Dias in 2024, with an average age of 71.
Is Dr. Robert Anthony Dias board certified?
Yes. Dr. Dias is board certified in clinical neurophysiology by the American Board of Psychiatry and Neurology.
Show 8 more questionsShow fewer questions
What services does Dr. Robert Anthony Dias bill to Medicare?
In 2024, Dr. Dias' most billed Medicare services were office visit, established patient (99214), office visit, established patient (99215) and office visit, new patient (99205).
Where did Dr. Robert Anthony Dias go to medical school?
Dr. Dias graduated from University of Maryland School of Medicine - Baltimore in 2005.
What drugs does Dr. Robert Anthony Dias prescribe most?
In 2024 Medicare Part D data, Dr. Dias' most prescribed drugs by claims were Gabapentin.
Has Dr. Robert Anthony Dias received payments from drug or device companies?
CMS Open Payments shows $129 in general payments to Dr. Dias from 2 companies from 2017 to 2019. The largest total came from LivaNova USA, Inc.
How long has Dr. Robert Anthony Dias been practicing?
Dr. Dias graduated from medical school in 2005, 21 years ago.
Does Dr. Robert Anthony Dias do research?
Dmand AI links 5 publications to Dr. Dias, published from 2009 to 2012.
Who does Dr. Robert Anthony Dias publish with?
Dr. Dias' most frequent co-authors are Mark Angel Agius, MD (1 shared paper), Michelle L. Apperson, MD, PhD (1 shared paper) and Lisa M. Bateman, MD (1 shared paper).
What insurance does Dr. Robert Anthony Dias accept?
Dr. Dias is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.
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