Robert Anthony Dias, M.D.
Neurology Physician · Sacramento, CA
Robert Anthony Dias, M.D. is a neurology physician with a practice address in Sacramento, California, and NPI 1407902612, issued on Jan 28, 2007. Check the license (California A97143, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Robert Anthony Dias
- Credential
- M.D.
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- A97143 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3000 Q St, Sacramento, CA 95816
- Phone
- (916) 733-3372
- Enumerated
- Jan 28, 2007
- Record last updated
- Jul 3, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (916) 733-5743
- Medicare enrollment
- Enrolled (PECOS I20100825000895); accepts Medicare assignment
- Medical or professional school
- University Of Maryland School Of Medicine, 2005
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 2,339 in California → Look up another NPI →
Also registered at 3000 Q St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Robert Anthony Dias in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A97143Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average neurology physician in 2024
101 Medicare Part D claims for 29 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Gabapentin36 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 96.5 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Dignity Health Medical FoundationSacramento, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Anthony Dias among 2,339 neurology physician records in California
Robert Anthony Dias, M.D. is one of 2,339 neurology physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 48% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2005 · median 2006 among the 1,628 with a school on file
- Record last updated2014 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in California
There are 2,339 neurology physician records in California.
All 2,339 in California → Every provider in Sacramento → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Richard Atkinson, MDSacramento, CA 958161154344992
- William Au, M.D.Sacramento, CA 958161457375321
- John Byer, M.D.Sacramento, CA 958161780690933
- Glynnis Calvin, M.D.Sacramento, CA 958161104137678
- David Chesak, MD.Sacramento, CA 958161760665475
- Edwin Cruz, MDSacramento, CA 958161669556965
- Billy Hu, M.D.Sacramento, CA 958161063558476
- Stephen Knox, M.D.Sacramento, CA 958161326062209
Common questions
What is Robert Anthony Dias, M.D.'s NPI number?
Robert Anthony Dias, M.D.'s National Provider Identifier (NPI) is 1407902612, issued on Jan 28, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Robert Anthony Dias, M.D. located?
The NPPES record lists a practice address at 3000 Q St, Sacramento, CA, 95816. Phone: (916) 733-3372. Providers update this record themselves, so call before visiting.
How can I verify Robert Anthony Dias, M.D.'s license?
NPPES lists California license number A97143, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Robert Anthony Dias, M.D. prescribe under Medicare Part D?
In 2024, Robert Anthony Dias, M.D. had 101 Medicare Part D claims for 29 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.
What is Robert Anthony Dias, M.D.'s MIPS final score?
The 2023 MIPS final score is 96.5 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.