Douglas Roberts, M.D.
Rheumatology Physician · Sacramento, CA
Douglas Roberts, M.D. is a rheumatology physician with a practice address in Sacramento, California, and NPI 1083698062, issued on Dec 2, 2005. Check the license (California G56980, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Douglas Roberts
- Credential
- M.D.
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- G56980 CA
Self-reported in NPPES; status is on the state search - Practice location
- 500 University Ave Ste 230, Sacramento, CA 95825
- Phone
- (916) 565-1989
- Enumerated
- Dec 2, 2005
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (916) 646-4036
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 926 in California → Look up another NPI →
Verify Douglas Roberts in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G56980Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% more Medicare Part D claims than the average rheumatology physician in 2024
2,981 Medicare Part D claims for 346 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims. 66 claims were for opioids.
Most prescribed
- Prednisone649 claims
- Methotrexate461 claims
- Hydroxychloroquine Sulfate163 claims
- Leucovorin Calcium162 claims
- Rinvoq104 claims
- Humira(Cf) Pen86 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): 71 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).
Industry payments in 2024: $3,206.27
167 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. The 4,486 providers of this specialty with any payment received $8,538.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Douglas Roberts among 926 rheumatology physician records in California
Douglas Roberts, M.D. is one of 926 rheumatology 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 94% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2007 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in California
There are 926 rheumatology physician records in California.
All 926 in California → Every provider in Sacramento → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Shanthi Giri, MDSacramento, CA 958251992724066
- Joey KimSacramento, CA 958251144563602
- Anand Lal, MDSacramento, CA 958251144308628
- Bob Shapiro, M.D.Sacramento, CA 958251316004518
- Kenneth Wiesner, M.D.Sacramento, CA 958251033287545
- Lloyd Ito, MDSacramento, CA 958231164500880
- Kavitha Mattaparthi, M.D.Sacramento, CA 958231891182150
- Dana Miller-Blair, M.D.Sacramento, CA 958231134103120
Common questions
What is Douglas Roberts, M.D.'s NPI number?
Douglas Roberts, M.D.'s National Provider Identifier (NPI) is 1083698062, issued on Dec 2, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Douglas Roberts, M.D. located?
The NPPES record lists a practice address at 500 University Ave Ste 230, Sacramento, CA, 95825. Phone: (916) 565-1989. Providers update this record themselves, so call before visiting.
How can I verify Douglas Roberts, M.D.'s license?
NPPES lists California license number G56980, 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 Douglas Roberts, M.D. prescribe under Medicare Part D?
In 2024, Douglas Roberts, M.D. had 2,981 Medicare Part D claims for 346 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
What is Douglas Roberts, M.D.'s MIPS final score?
The 2023 MIPS final score is 71 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.