Stephanie Song, MD
Rheumatology Physician · Riverside, CA
Stephanie Song, MD is a rheumatology physician with a practice address in Riverside, California, and NPI 1710479092, issued on Jun 3, 2018. Check the license (California A187985, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Stephanie Song
- Credential
- MD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License numbers
- A187985 CA
MT215223 PA
Self-reported in NPPES; status is on the state search - Practice location
- 21832 Cactus Ave, Riverside, CA 92518
- Phone
- (951) 924-6500
- Enumerated
- Jun 3, 2018
- Record last updated
- Sep 20, 2023
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 926 in California → Look up another NPI →
Also registered at 21832 Cactus Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amit Sureen, DORheumatology Physician1619533742
Verify Stephanie Song in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A187985Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
35% fewer Medicare Part D claims than the average rheumatology physician in 2024
1,289 Medicare Part D claims for 254 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 13 claims were for opioids.
Most prescribed
- Methotrexate225 claims
- Hydroxychloroquine Sulfate202 claims
- Prednisone138 claims
- Folic Acid70 claims
- Gabapentin68 claims
- Duloxetine Hcl66 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: $2,967.37
161 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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.
Stephanie Song among 926 rheumatology physician records in California
Stephanie Song, 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 2018, is newer than 90% of them.
- NPI issued2018 · 90% of these records are older, 7% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2023 · 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 Riverside → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Amit Sureen, DORiverside, CA 925181619533742
- Bradley Andersen, M.D.Riverside, CA 925071528018470
- Andre Babajanians, MDRiverside, CA 925061255311676
- Asbat Hasan, MDRiverside, CA 925061215499256
- Nayef Kazzaz, M.DRiverside, CA 925061316234693
- Linda Lazar, DORiverside, CA 925061184999559
- Amy Chang, MDRiverside, CA 925051255490827
- Al Franco, M.D.Riverside, CA 925051528128535
Common questions
What is Stephanie Song, MD's NPI number?
Stephanie Song, MD's National Provider Identifier (NPI) is 1710479092, issued on Jun 3, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Stephanie Song, MD located?
The NPPES record lists a practice address at 21832 Cactus Ave, Riverside, CA, 92518. Phone: (951) 924-6500. Providers update this record themselves, so call before visiting.
How can I verify Stephanie Song, MD's license?
NPPES lists California license number A187985, 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 Stephanie Song, MD prescribe under Medicare Part D?
In 2024, Stephanie Song, MD had 1,289 Medicare Part D claims for 254 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.