Lauren Duffy
Family Nurse Practitioner · Chino Hills, CA
Lauren Duffy is a family nurse practitioner with a practice address in Chino Hills, California, and NPI 1952005498, issued on Mar 29, 2023. Check the license (California 95024321, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Lauren Duffy
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- 95024321 CA
195200498 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3110 Chino Ave Ste 120, Chino Hills, CA 91709
- Phone
- (909) 313-5111
- Enumerated
- Mar 29, 2023
- Record last updated
- May 13, 2026
- Medicare enrollment
- Enrolled (PECOS I20231107000226); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 16,966 in California → Look up another NPI →
Also registered at 3110 Chino Ave Ste 120
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Diem Pham, D.O.Procedural Dermatology Physician1255421335
Verify Lauren Duffy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95024321Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average family nurse practitioner in 2024
29 Medicare Part D claims for 11 beneficiaries, 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.
Bills Medicare through one group practice
- Sand Dermatology PCChino Hills, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lauren Duffy among 16,966 family nurse practitioner records in California
Lauren Duffy 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 2023, is newer than 75% of them.
- NPI issued2023 · 75% of these records are older, 17% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated2022 · 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).
22 family nurse practitioner records list a practice address in Chino Hills
They are 22 of the 774 NPPES records with a practice address in Chino Hills, and 16,966 family nurse practitioner records in California.
All 16,966 in California → Every provider in Chino Hills → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Brandie Baque, APRNChino Hills, CA 917091285166744
- Maychin FongChino Hills, CA 917091932587599
- Richard GarciaChino Hills, CA 917091275931529
- Kim GeigerChino Hills, CA 917091710521844
- Jeanette Gumarang, ARNPChino Hills, CA 917091568717239
- Alex Kim, MSN, RN, FNP-CChino Hills, CA 917091376142976
- Sara Mahmood, FNPChino Hills, CA 917091790372829
- Artvin Christian Marquez, APRN, NP-CChino Hills, CA 917091871172767
Common questions
What is Lauren Duffy's NPI number?
Lauren Duffy's National Provider Identifier (NPI) is 1952005498, issued on Mar 29, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Lauren Duffy located?
The NPPES record lists a practice address at 3110 Chino Ave Ste 120, Chino Hills, CA, 91709. Phone: (909) 313-5111. Providers update this record themselves, so call before visiting.
How can I verify Lauren Duffy's license?
NPPES lists California license number 95024321, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Lauren Duffy prescribe under Medicare Part D?
In 2024, Lauren Duffy had 29 Medicare Part D claims for 11 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.