Saba Merchant Ziaee, MD
Rheumatology Physician · Walnut Creek, CA
Saba Merchant Ziaee, MD is a rheumatology physician with a practice address in Walnut Creek, California, and NPI 1396004107, issued on May 14, 2012. Check the license (California A129365, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Saba Merchant Ziaee
- Credential
- MD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- A129365 CA
Self-reported in NPPES; status is on the state search - Practice location
- 120 LA Casa Via Ste 204, Walnut Creek, CA 94598
- Phone
- (925) 210-1050
- Enumerated
- May 14, 2012
- Record last updated
- Dec 27, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200825001124); accepts Medicare assignment
- Medical or professional school
- Loyola University Of Chicago, Stritch School Of Medicine, 2018
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 926 in California → Look up another NPI →
Verify Saba Merchant Ziaee in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A129365Check 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% fewer Medicare Part D claims than the average rheumatology physician in 2024
967 Medicare Part D claims for 206 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. 28 claims were for opioids.
Most prescribed
- Hydroxychloroquine Sulfate155 claims
- Methotrexate147 claims
- Prednisone115 claims
- Alendronate Sodium68 claims
- Allopurinol57 claims
- Gabapentin29 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.
Industry payments in 2024: $1,379.14
74 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.
Bills Medicare through one group practice
- Arthritis And Rheumatology Medical Associates IncWalnut Creek, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Saba Merchant Ziaee among 926 rheumatology physician records in California
Saba Merchant Ziaee, MD 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 2012, is newer than 71% of them.
- NPI issued2012 · 71% of these records are older, 25% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2018 · median 2003 among the 641 with a school on file
- Record last updated2021 · 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 Walnut Creek → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Rashmi Dixit, M.D.Walnut Creek, CA 945981811990666
- Zuzana Foster, M.D.Walnut Creek, CA 945981184621542
- John Loeb, M.D.Walnut Creek, CA 945981932106390
- Robert Wiskocil, MDWalnut Creek, CA 945981992883094
- David Wu, MDWalnut Creek, CA 945981023015484
- Midori Nishio, M.D.Walnut Creek, CA 945971316010366
- Raul Romea, MDWalnut Creek, CA 945971962408112
- Vandana Sharma, M.D.Walnut Creek, CA 945971528131588
Common questions
What is Saba Merchant Ziaee, MD's NPI number?
Saba Merchant Ziaee, MD's National Provider Identifier (NPI) is 1396004107, issued on May 14, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Saba Merchant Ziaee, MD located?
The NPPES record lists a practice address at 120 LA Casa Via Ste 204, Walnut Creek, CA, 94598. Phone: (925) 210-1050. Providers update this record themselves, so call before visiting.
How can I verify Saba Merchant Ziaee, MD's license?
NPPES lists California license number A129365, 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 Saba Merchant Ziaee, MD prescribe under Medicare Part D?
In 2024, Saba Merchant Ziaee, MD had 967 Medicare Part D claims for 206 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
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.