Marilyn Garlejo Osias, NP
Nurse Practitioner · Stockton, CA
Marilyn Garlejo Osias, NP is a nurse practitioner with a practice address in Stockton, California, and NPI 1437755477, issued on Dec 6, 2020. Check the license (California 95016046, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marilyn Garlejo Osias
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 95016046 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5030 Pier Dr, Stockton, CA 95206
- Phone
- (209) 598-3523
- Enumerated
- Dec 6, 2020
- Record last updated
- Dec 6, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210520003110); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 8,223 in California → Look up another NPI →
Verify Marilyn Garlejo Osias in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95016046Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% fewer Medicare Part D claims than the average nurse practitioner in 2024
447 Medicare Part D claims for 159 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Clobetasol Propionate77 claims
- Hydrocortisone44 claims
- Tacrolimus40 claims
- Fluorouracil34 claims
- Ketoconazole30 claims
- Calcipotriene21 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
- Permanente Medical Group IncStockton, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marilyn Garlejo Osias among 8,223 nurse practitioner records in California
Marilyn Garlejo Osias, NP is one of 8,223 nurse practitioner records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 66% of them.
- NPI issued2020 · 66% of these records are older, 29% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 42% of these records are
- Graduated2020 · median 2017 among the 3,425 with a school on file
- Record last updated2020 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nurse Practitioner providers in California
There are 8,223 nurse practitioner records in California.
All 8,223 in California → Every provider in Stockton → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Jeanette Carter, NPStockton, CA 952061740480342
- Dorothy Smith, N.P.Stockton, CA 952061992107114
- Cyrus Yanos, FNPStockton, CA 952061073378113
- Monica Bobino, NP-CStockton, CA 952071881276210
- Maryrose Espil, FNPStockton, CA 952071891628905
- Nancy Heffernan, NPStockton, CA 952071790869097
- Ardeep SinghStockton, CA 952071205565199
- Prince Ankrah, NPStockton, CA 952041427339043
Common questions
What is Marilyn Garlejo Osias, NP's NPI number?
Marilyn Garlejo Osias, NP's National Provider Identifier (NPI) is 1437755477, issued on Dec 6, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Marilyn Garlejo Osias, NP located?
The NPPES record lists a practice address at 5030 Pier Dr, Stockton, CA, 95206. Phone: (209) 598-3523. Providers update this record themselves, so call before visiting.
How can I verify Marilyn Garlejo Osias, NP's license?
NPPES lists California license number 95016046, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Marilyn Garlejo Osias, NP prescribe under Medicare Part D?
In 2024, Marilyn Garlejo Osias, NP had 447 Medicare Part D claims for 159 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.