Regina Walker Robertson, FNP
Family Nurse Practitioner · Riverside, CA
Regina Walker Robertson, FNP is a family nurse practitioner with a practice address in Riverside, California, and NPI 1609466978, issued on Jan 21, 2021. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Regina Walker Robertson
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 1019227 TX
Self-reported in NPPES; status is on the state search - Practice location
- 4646 Brockton Ave Ste 201, Riverside, CA 92506
- Phone
- (951) 585-1800
- Enumerated
- Jan 21, 2021
- Record last updated
- Jul 28, 2026
- Fax
- (951) 585-1801
- Medicare enrollment
- Enrolled (PECOS I20260305003973); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 16,966 in California → Look up another NPI →
Also registered at 4646 Brockton Ave Ste 201
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Regina Walker Robertson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average family nurse practitioner in 2024
11 Medicare Part D claims, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
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.
Regina Walker Robertson among 16,966 family nurse practitioner records in California
Regina Walker Robertson, FNP is one of 16,966 family nurse practitioner records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 62% of them.
- NPI issued2021 · 62% of these records are older, 32% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated2019 · median 2019 among the 6,793 with a school on file
- Record last updated2026 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
184 family nurse practitioner records list a practice address in Riverside
They are 184 of the 13,893 NPPES records with a practice address in Riverside, and 16,966 family nurse practitioner records in California.
All 16,966 in California → Every provider in Riverside → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Shannon AllenRiverside, CA 925061982089173
- Mary Barba, NPRiverside, CA 925061447659370
- Elizabeth Cano, FNPRiverside, CA 925061265784490
- Glendy ChenRiverside, CA 925061619388741
- Deborah Croan, FNPRiverside, CA 925061669799615
- Jennifer Ellstrom, C.NPRiverside, CA 925061972839462
- Rhonda McGaughranRiverside, CA 925061699142075
- Debra Rodgers, NPRiverside, CA 925061144318957
Common questions
What is Regina Walker Robertson, FNP's NPI number?
Regina Walker Robertson, FNP's National Provider Identifier (NPI) is 1609466978, issued on Jan 21, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Regina Walker Robertson, FNP located?
The NPPES record lists a practice address at 4646 Brockton Ave Ste 201, Riverside, CA, 92506. Phone: (951) 585-1800. Providers update this record themselves, so call before visiting.
How can I verify Regina Walker Robertson, FNP's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Regina Walker Robertson, FNP prescribe under Medicare Part D?
In 2024, Regina Walker Robertson, FNP had 11 Medicare Part D claims; the average among family nurse practitioner prescribers was 1,305. 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.