Roslyn Mazi
Family Nurse Practitioner · Costa Mesa, CA
Roslyn Mazi is a family nurse practitioner with a practice address in Costa Mesa, California, and NPI 1992449326, issued on Apr 22, 2022. Check the license (California 95020154, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Roslyn Mazi
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 95020154 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3090 Bristol St Ste 200, Costa Mesa, CA 92626
- Phone
- (714) 992-1182
- Enumerated
- Apr 22, 2022
- Record last updated
- Oct 27, 2023
- Medicare enrollment
- Enrolled (PECOS I20220713001901); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 16,966 in California → Look up another NPI →
Also registered at 3090 Bristol St Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marjorie Chan, NPNurse Practitioner1174811624
- Doreen Chibweth, FNPFamily Nurse Practitioner1528715653
- Orlando Collado, MDFamily Medicine Physician1205964947
- Kristyn Gonzaga, NPPrimary Care Nurse Practitioner1750170411
- Iman GuirgisFamily Medicine Physician1154774933
- Shelley Han, M.D.Internal Medicine Physician1114345683
Verify Roslyn Mazi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95020154Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average family nurse practitioner in 2024
44 Medicare Part D claims for 21 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 64% of 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.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupFontana, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Roslyn Mazi among 16,966 family nurse practitioner records in California
Roslyn Mazi 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 2022, is newer than 68% of them.
- NPI issued2022 · 68% of these records are older, 25% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated2021 · median 2019 among the 6,793 with a school on file
- Record last updated2023 · 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).
71 family nurse practitioner records list a practice address in Costa Mesa
They are 71 of the 4,286 NPPES records with a practice address in Costa Mesa, and 16,966 family nurse practitioner records in California.
All 16,966 in California → Every provider in Costa Mesa → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Andrea Beyaoju, NURSE PRACTITIONERCosta Mesa, CA 926261720520182
- Susan FlamingCosta Mesa, CA 926261780093237
- Arnold FrancoCosta Mesa, CA 926261518417633
- Suzanne Larkin, FNP-CCosta Mesa, CA 926261053358044
- Kendra Latty, FNP-CCosta Mesa, CA 926261659763589
- Shelly Lummus, FNPCosta Mesa, CA 926261649474545
- Jamila Ponder, F.N.P.-CCosta Mesa, CA 926261124215165
- Charlotte Russell, RNPCosta Mesa, CA 926261780636555
Common questions
What is Roslyn Mazi's NPI number?
Roslyn Mazi's National Provider Identifier (NPI) is 1992449326, issued on Apr 22, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Roslyn Mazi located?
The NPPES record lists a practice address at 3090 Bristol St Ste 200, Costa Mesa, CA, 92626. Phone: (714) 992-1182. Providers update this record themselves, so call before visiting.
How can I verify Roslyn Mazi's license?
NPPES lists California license number 95020154, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Roslyn Mazi prescribe under Medicare Part D?
In 2024, Roslyn Mazi had 44 Medicare Part D claims for 21 beneficiaries; 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.