Maureen I. Musa, FNP
Family Nurse Practitioner · Fontana, CA
Maureen I. Musa, FNP is a family nurse practitioner with a practice address in Fontana, California, and NPI 1619252517, issued on Oct 12, 2011. Check the license (California 20576, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Maureen I. Musa
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 20576 CA
Self-reported in NPPES; status is on the state search - Practice location
- 17284 Slover Ave, Fontana, CA 92337
- Phone
- (909) 609-3954
- Enumerated
- Oct 12, 2011
- Record last updated
- Nov 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (909) 609-3157
- Medicare enrollment
- Enrolled (PECOS I20131028001403); 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 17284 Slover Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Maureen I. Musa in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 20576Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1% fewer Medicare Part D claims than the average family nurse practitioner in 2024
1,290 Medicare Part D claims for 392 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 54% of claims.
Most prescribed
- Glipizide180 claims
- Ozempic139 claims
- Humulin 70/30 Kwikpen131 claims
- Humulin N Kwikpen129 claims
- Humulin N85 claims
- Nano 2nd Gen Pen Needle77 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).
Maureen I. Musa among 16,966 family nurse practitioner records in California
Maureen I. Musa, 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 2011, is newer than 19% of them.
- NPI issued2011 · 19% of these records are older, 79% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated2010 · 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
- Nicole Alcantara, N.P.Fontana, CA 923371003206103
- Rebecca Carpio-Darshay, NPFontana, CA 923371649459652
- Richard ChristensenFontana, CA 923371912415415
- Karla Angela Montano, NPFontana, CA 923371083281075
- Jude OkworFontana, CA 923371063163608
- Ruth Roman, MSN, FNP-CFontana, CA 923371235726365
- Berenice Vazquez, FNPFontana, CA 923371861854846
- Aurelia Whitehead, NPFontana, CA 923371558988295
Common questions
What is Maureen I. Musa, FNP's NPI number?
Maureen I. Musa, FNP's National Provider Identifier (NPI) is 1619252517, issued on Oct 12, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Maureen I. Musa, FNP located?
The NPPES record lists a practice address at 17284 Slover Ave, Fontana, CA, 92337. Phone: (909) 609-3954. Providers update this record themselves, so call before visiting.
How can I verify Maureen I. Musa, FNP's license?
NPPES lists California license number 20576, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Maureen I. Musa, FNP prescribe under Medicare Part D?
In 2024, Maureen I. Musa, FNP had 1,290 Medicare Part D claims for 392 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.