Richard Zweig, MD
Rheumatology Physician · Santa Rosa, CA
Richard Zweig, MD is a rheumatology physician with a practice address in Santa Rosa, California, and NPI 1124102298, issued on Oct 25, 2006. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Richard Zweig
- Credential
- MD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- Practice location
- 401 Bicentennial Way, Santa Rosa, CA 95403
- Phone
- (707) 571-4000
- Enumerated
- Oct 25, 2006
- Entity
- Type 1 · individual
Also registered at 401 Bicentennial Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anna Ackerman, RNRegistered Nurse1376409409
- Patricia AdamsPhysical Therapist1124971825
- Hugo Aguilar, PHARMDPharmacist1992389134
- Heather Aiello, OTR/LOccupational Therapist1851155022
- Sandra Akrawi, REGISTERED DIETITIANDietary Manager1790821031
- Miguel Alcala, LCSWClinical Social Worker1629857891
Verify Richard Zweig in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
99% fewer Medicare Part D claims than the average rheumatology physician in 2024
22 Medicare Part D claims, against an average of 2,058 among the 4,833 providers of this specialty who prescribed in Part D.
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.
Industry payments in 2024: $25.62
1 payment, mostly food and beverage; the largest payer was ViiV Healthcare Company. The 3,502 providers of this specialty with any payment received $8,487.29 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.
Rheumatology Physician providers in California
There are 719 rheumatology physician records in California.
Other rheumatology physician records in California
- Thomas Abel, MDMonte Sereno, CA1871679399
- Thomas Adamson, M.D.San Diego, CA1639187057
- Sana Afroz, MDMoreno Valley, CA1356724074
- Atul Agrawal, MDAntioch, CA1528146016
- Bikramjit Ahluwalia, MDApple Valley, CA1669402467
- Shirin Ahmad, MDFolsom, CA1932182318
- Basma Al Nahlawi, M.D.San Marcos, CA1144455262
- Phillip Aleksiejuk, MDWoodland Hills, CA1063844579
- Stanley Alexander, MDArcadia, CA1497814685
- Edward Amento, M.D.Sunnyvale, CA1457896961
Common questions
What is Richard Zweig, MD's NPI number?
Richard Zweig, MD's National Provider Identifier (NPI) is 1124102298, issued on Oct 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Richard Zweig, MD located?
The NPPES record lists a practice address at 401 Bicentennial Way, Santa Rosa, CA, 95403. Phone: (707) 571-4000. Providers update this record themselves, so call before visiting.
How can I verify Richard Zweig, MD's license?
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 Richard Zweig, MD prescribe under Medicare Part D?
In 2024, Richard Zweig, MD had 22 Medicare Part D claims; the average among rheumatology physician prescribers was 2,058. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.