Sikai Felicia Yang, M.D.
Rheumatology Physician · Berkeley, CA
Sikai Felicia Yang, M.D. is a rheumatology physician with a practice address in Berkeley, California, and NPI 1871904821, issued on May 13, 2014. Check the license (California A160497, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Sikai Felicia Yang
- Credential
- M.D.
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- A160497 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2999 Regent St Ste 301, Berkeley, CA 94705
- Phone
- (510) 204-8120
- Enumerated
- May 13, 2014
- Record last updated
- Sep 25, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (510) 506-7723
- Medicare enrollment
- Enrolled (PECOS I20191025002723); accepts Medicare assignment
- Medical or professional school
- State University Of New York At Buffalo School Of Medicine, 2014
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 926 in California → Look up another NPI →
Also registered at 2999 Regent St Ste 301
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Vania LinRheumatology Physician1457854242
- Michael Manansala, MDRheumatology Physician1841665411
- Neftali Nevarez, M.D.Rheumatology Physician1508122219
Verify Sikai Felicia Yang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A160497Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
18% fewer Medicare Part D claims than the average rheumatology physician in 2024
1,619 Medicare Part D claims for 313 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 35 claims were for opioids.
Most prescribed
- Prednisone221 claims
- Methotrexate192 claims
- Allopurinol135 claims
- Duloxetine Hcl125 claims
- Hydroxychloroquine Sulfate112 claims
- Colchicine96 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: $3,931.26
11 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
- Sutter Bay Medical FoundationBerkeley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sikai Felicia Yang among 926 rheumatology physician records in California
Sikai Felicia Yang, 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 2014, is newer than 79% of them.
- NPI issued2014 · 79% of these records are older, 18% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2014 · median 2003 among the 641 with a school on file
- Record last updated2019 · 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 Berkeley → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Brian Kaye, M.D.Berkeley, CA 947051679689061
- Vania LinBerkeley, CA 947051457854242
- Molly Magnano, MDBerkeley, CA 947051992743579
- Michael Manansala, MDBerkeley, CA 947051841665411
- Neftali Nevarez, M.D.Berkeley, CA 947051508122219
- Paul Feigenbaum, MDOakland, CA 946121710063243
- Chee Chow, MDOakland, CA 946111003994872
- Arezoo Haghshenas, M.D.Oakland, CA 946111881011856
Common questions
What is Sikai Felicia Yang, M.D.'s NPI number?
Sikai Felicia Yang, M.D.'s National Provider Identifier (NPI) is 1871904821, issued on May 13, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Sikai Felicia Yang, M.D. located?
The NPPES record lists a practice address at 2999 Regent St Ste 301, Berkeley, CA, 94705. Phone: (510) 204-8120. Providers update this record themselves, so call before visiting.
How can I verify Sikai Felicia Yang, M.D.'s license?
NPPES lists California license number A160497, 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 Sikai Felicia Yang, M.D. prescribe under Medicare Part D?
In 2024, Sikai Felicia Yang, M.D. had 1,619 Medicare Part D claims for 313 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.