Sylvia Soo, M.D.
Neurocritical Care Physician · Riverside, CA
Sylvia Soo, M.D. is a neurocritical care physician with a practice address in Riverside, California, and NPI 1669882130, issued on May 5, 2014. Check the license (California A139593, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Sylvia Soo
- Credential
- M.D.
- Primary taxonomy
- Neurocritical Care Physician 2084A2900X
- License number
- A139593 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4234 Riverwalk Pkwy Ste 230, Riverside, CA 92505
- Phone
- (951) 781-3672
- Enumerated
- May 5, 2014
- Record last updated
- Dec 21, 2023
- Fax
- (951) 781-0365
- Medicare enrollment
- Enrolled (PECOS I20180515000680); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest neurocritical care physician records → All 74 in California → Look up another NPI →
Also registered at 4234 Riverwalk Pkwy Ste 230
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Charles Abreu, MDHospitalist Physician1942837323
- Faraz Afridi, MDPulmonary Disease Physician1871905257
- Masood Ahmad, M.D.Critical Care Medicine (Internal Medicine) Physician1073069332
- Mohamad Al Sayed, MDEndocrinology, Diabetes & Metabolism Physician1568428134
- Ahmad Alazzeh, MDPulmonary Disease Physician1194037945
- Judy Alfonso, PA-CPhysician Assistant1154471514
Verify Sylvia Soo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A139593Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 73 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $22.02
1 payment: food and beverage; the largest payer was GlaxoSmithKline, LLC. The 251 providers of this specialty with any payment received $1,054.78 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
- EL-Bershawi Medical CorpRiverside, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sylvia Soo among 74 neurocritical care physician records in California
Sylvia Soo, M.D. is one of 74 neurocritical care physician records with a practice address in California. 97% 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 51% of them.
- NPI issued2014 · 51% of these records are older, 35% newer
- In a Medicare fileYes · 97% of these records are
- In the CMS Doctors and Clinicians fileYes · 86% of these records are
- Graduated2014 · median 2011 among the 64 with a school on file
- Record last updated2023 · 28% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084A2900X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurocritical Care Physician providers in California
There are 74 neurocritical care physician records in California.
All 74 in California → Every provider in Riverside → Neurocritical Care Physician nationwide →
The 8 neurocritical care physician records with the nearest ZIP codes
- Conrad ManningRiverside, CA 925051891144853
- Sahar Osman, M.D.Riverside, CA 925051033599469
- Sally You, DOLoma Linda, CA 923541013478619
- Patrick Chen, M.D.Irvine, CA 926971295198000
- Leonid Groysman, MDFountain Valley, CA 927081104076785
- Alok SahgalPalm Springs, CA 922621154556256
- Cyrus Dastur, M.D.Orange, CA 928681336325828
- Imad Khan, M.D.Orange, CA 928681801188669
Common questions
What is Sylvia Soo, M.D.'s NPI number?
Sylvia Soo, M.D.'s National Provider Identifier (NPI) is 1669882130, issued on May 5, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Sylvia Soo, M.D. located?
The NPPES record lists a practice address at 4234 Riverwalk Pkwy Ste 230, Riverside, CA, 92505. Phone: (951) 781-3672. Providers update this record themselves, so call before visiting.
How can I verify Sylvia Soo, M.D.'s license?
NPPES lists California license number A139593, 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.
What is Sylvia Soo, M.D.'s MIPS final score?
The 2023 MIPS final score is 73 of 100, reported for the practice group. 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.