Yvonne Decastro Fermil, FNP
Family Nurse Practitioner · San Diego, CA
Yvonne Decastro Fermil, FNP is a family nurse practitioner with a practice address in San Diego, California, and NPI 1518086388, issued on Mar 29, 2007. Check the license (California FNP11786, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Yvonne Decastro Fermil
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- FNP11786 CA
11786 CA
RN525830 CA
Self-reported in NPPES; status is on the state search - Practice location
- 292 Euclid Ave Ste 115, San Diego, CA 92114
- Phone
- (619) 266-3332
- Enumerated
- Mar 29, 2007
- Record last updated
- Jun 13, 2024
- Medicare enrollment
- Enrolled (PECOS I20140120000523); accepts Medicare assignment
- Medical or professional school
- University Of California, San Diego School Of Medicine, 2000
- Entity
- Type 1 · individual
Also registered at 292 Euclid Ave Ste 115
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Yendry Acosta, APRNAcute Care Nurse Practitioner1396255121
- Luis Chavez, MDInternal Medicine Physician1295224905
- Xuantan ChenFamily Nurse Practitioner1760920854
- Katherine Shaffer, M.D.Student in an Organized Health Care Education/Training Program1336405695
- Levon Tantoushian, DOGastroenterology Physician1730708967
- Carlton Thomas, M.D.Gastroenterology Physician1205881398
Verify Yvonne Decastro Fermil in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license FNP11786Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average family nurse practitioner in 2024
345 Medicare Part D claims for 207 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Famotidine67 claims
- Gavilyte-G39 claims
- Omeprazole37 claims
- Sod Sulf-Potass Sulf-Mag Sulf36 claims
- Peg-3350 And Electrolytes27 claims
- Pantoprazole Sodium22 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 81.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $386.72
13 payments; by number, the most common kind was food and beverage; the largest payer was Salix Pharmaceuticals, a division of Bausch Health US, LLC. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Digestive Disease Associates IncSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
799 family nurse practitioner records list a practice address in San Diego
They are 799 of the 52,937 NPPES records with a practice address in San Diego, and 16,966 family nurse practitioner records in California.
All 799 in San Diego → All 16,966 in California → Every provider in San Diego →
Other family nurse practitioner records in California
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- Tiffanne Aaronsen, FNPIndio, CA1568191807
- Alvin Joseph Abad, FNP-CSan Francisco, CA1154919306
- Frances Abad, FNPLos Angeles, CA1053504514
- Nnenna AbaezeLong Beach, CA1457820763
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- Ashley AbalCastaic, CA1740140698
Common questions
What is Yvonne Decastro Fermil, FNP's NPI number?
Yvonne Decastro Fermil, FNP's National Provider Identifier (NPI) is 1518086388, issued on Mar 29, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Yvonne Decastro Fermil, FNP located?
The NPPES record lists a practice address at 292 Euclid Ave Ste 115, San Diego, CA, 92114. Phone: (619) 266-3332. Providers update this record themselves, so call before visiting.
How can I verify Yvonne Decastro Fermil, FNP's license?
NPPES lists California license number FNP11786, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Yvonne Decastro Fermil, FNP prescribe under Medicare Part D?
In 2024, Yvonne Decastro Fermil, FNP had 345 Medicare Part D claims for 207 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Yvonne Decastro Fermil, FNP's MIPS final score?
The 2023 MIPS final score is 81.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.