Denitha Louis, FNP-BC
Family Nurse Practitioner · Fontana, CA
Denitha Louis, FNP-BC is a family nurse practitioner with a practice address in Fontana, California, and NPI 1073856068, issued on Mar 28, 2013. Check the license (California 21921, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Denitha Louis
- Credential
- FNP-BC
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 21921 CA
Self-reported in NPPES; status is on the state search - Practice location
- 15218 Summit Ave, Fontana, CA 92336
- Phone
- (909) 952-3043
- Enumerated
- Mar 28, 2013
- Record last updated
- Oct 1, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (909) 428-6561
- Medicare enrollment
- Enrolled (PECOS I20150825003639); 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 15218 Summit Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jason Ching, D.D.S.Dentist1992917645
Verify Denitha Louis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 21921Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average family nurse practitioner in 2024
216 Medicare Part D claims for 205 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.
Most prescribed
- Paxlovid52 claims
- Cefadroxil41 claims
- Nitrofurantoin Mono-Macro16 claims
- Amoxicillin-Clavulanate Potass13 claims
- Paxlovid (Eua)12 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 GroupAnaheim, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Denitha Louis among 16,966 family nurse practitioner records in California
Denitha Louis, FNP-BC 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 2013, is newer than 24% of them.
- NPI issued2013 · 24% of these records are older, 73% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated2012 · median 2019 among the 6,793 with a school on file
- Record last updated2021 · 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).
69 family nurse practitioner records list a practice address in Fontana
They are 69 of the 3,012 NPPES records with a practice address in Fontana, and 16,966 family nurse practitioner records in California.
All 16,966 in California → Every provider in Fontana → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Brittany Bongga, NPFontana, CA 923361902353451
- Carla Gonzalez, FNP-CFontana, CA 923361518470921
- Maria Celeste Labajo, RNP-BCFontana, CA 923361497225965
- Sofia Editha Locquiao, NPFontana, CA 923361043782550
- Noe Lopez, FNPFontana, CA 923361962936930
- Karla Lopez, FNPFontana, CA 923361578082939
- Munjal PatelFontana, CA 923361962866624
- Milliesaar Rama, FNP-C, OTRFontana, CA 923361922497817
Common questions
What is Denitha Louis, FNP-BC's NPI number?
Denitha Louis, FNP-BC's National Provider Identifier (NPI) is 1073856068, issued on Mar 28, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Denitha Louis, FNP-BC located?
The NPPES record lists a practice address at 15218 Summit Ave, Fontana, CA, 92336. Phone: (909) 952-3043. Providers update this record themselves, so call before visiting.
How can I verify Denitha Louis, FNP-BC's license?
NPPES lists California license number 21921, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Denitha Louis, FNP-BC prescribe under Medicare Part D?
In 2024, Denitha Louis, FNP-BC had 216 Medicare Part D claims for 205 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.