Sheila Marie Stephens, P.A.-C
Physician Assistant · Riverside, CA
Sheila Marie Stephens, P.A.-C is a physician assistant with a practice address in Riverside, California, and NPI 1306201157, issued on Dec 21, 2015. Check the license (California 52918, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sheila Marie Stephens
- Credential
- P.A.-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 52918 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4646 Brockton Ave, Riverside, CA 92506
- Phone
- (954) 774-2800
- Enumerated
- Dec 21, 2015
- Record last updated
- Apr 20, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 4646 Brockton Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Maria Ascencio, FNP-CFamily Nurse Practitioner1497299549
- Mary Barba, NPFamily Nurse Practitioner1447659370
- Victoria Begley, N.P.Nurse Practitioner1760417034
- John Branch, DOFamily Medicine Physician1174510309
- Julie Buchanan, PA-CMedical Physician Assistant1710298005
Verify Sheila Marie Stephens in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 52918Check 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): 55.3 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).
Sheila Marie Stephens among 14,451 physician assistant records in California
Sheila Marie Stephens, P.A.-C is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 41% of them.
- NPI issued2015 · 41% of these records are older, 56% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2021 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
164 physician assistant records list a practice address in Riverside
They are 164 of the 13,893 NPPES records with a practice address in Riverside, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Riverside → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Harrier Cagatay, PACRiverside, CA 925061508916461
- Jennifer Estrada, PARiverside, CA 925061710982954
- Karen Genco, PARiverside, CA 925061770894420
- Chelsea HardestyRiverside, CA 925061396108189
- Andrew Harris, P.A.-CRiverside, CA 925061649419482
- Sofia Henderson, PA-CRiverside, CA 925061558784645
- Dana LlamasRiverside, CA 925061467817783
- Kaneal McShane, PA-CRiverside, CA 925061619307659
Common questions
What is Sheila Marie Stephens, P.A.-C's NPI number?
Sheila Marie Stephens, P.A.-C's National Provider Identifier (NPI) is 1306201157, issued on Dec 21, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Sheila Marie Stephens, P.A.-C located?
The NPPES record lists a practice address at 4646 Brockton Ave, Riverside, CA, 92506. Phone: (954) 774-2800. Providers update this record themselves, so call before visiting.
How can I verify Sheila Marie Stephens, P.A.-C's license?
NPPES lists California license number 52918, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
What is Sheila Marie Stephens, P.A.-C's MIPS final score?
The 2023 MIPS final score is 55.3 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.