Julie K. Marhefka, PMHNP-BC
Psychiatric/Mental Health Nurse Practitioner · Oceanside, CA
Julie K. Marhefka, PMHNP-BC is a psychiatric/mental health nurse practitioner with a practice address in Oceanside, California, and NPI 1699077123, issued on Dec 5, 2010. Check the license (California 95009591, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Julie K. Marhefka
- Credential
- PMHNP-BC
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License numbers
- 95009591 CA
401236 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1701 Mission Ave Ste 230, Oceanside, CA 92058
- Phone
- (760) 712-3535
- Enumerated
- Dec 5, 2010
- Record last updated
- Apr 3, 2023
- Medicare enrollment
- Enrolled (PECOS I20190122002656); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 4,226 in California → Look up another NPI →
Also registered at 1701 Mission Ave Ste 230
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alaina AndersonStudent in an Organized Health Care Education/Training Program1235769472
- Danica BarnicleMental Health Counselor1326530445
- Irma Barrientos, LVNLicensed Vocational Nurse1285382226
- Mia BodnarLicensed Vocational Nurse1598403644
- Jazmin CarmonaStudent in an Organized Health Care Education/Training Program1225729114
- Anabelle CarpenterStudent in an Organized Health Care Education/Training Program1366091688
Verify Julie K. Marhefka in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95009591Check 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% more Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
919 Medicare Part D claims for 43 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Quetiapine Fumarate114 claims
- Sertraline Hcl87 claims
- Clozapine47 claims
- Clonazepam46 claims
- Olanzapine45 claims
- Gabapentin41 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.
Industry payments in 2024: $638.74
28 payments; by number, the most common kind was food and beverage; the largest payer was Alkermes, Inc. The 23,362 providers of this specialty with any payment received $1,027.77 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
- Mental Health Systems, Inc.Oceanside, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Julie K. Marhefka among 4,226 psychiatric/mental health nurse practitioner records in California
Julie K. Marhefka, PMHNP-BC is one of 4,226 psychiatric/mental health nurse practitioner records with a practice address in California. 62% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 10% of them.
- NPI issued2010 · 10% of these records are older, 89% newer
- In a Medicare fileYes · 62% of these records are
- In the CMS Doctors and Clinicians fileYes · 46% of these records are
- Graduated2011 · median 2021 among the 1,965 with a school on file
- Record last updated2023 · 16% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatric/Mental Health Nurse Practitioner providers in California
There are 4,226 psychiatric/mental health nurse practitioner records in California.
All 4,226 in California → Every provider in Oceanside → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Amanda Dehart, RNOceanside, CA 920581851749881
- Eve Poteet, DNP, PMHNP-BCOceanside, CA 920581700850260
- Pai-Han YehOceanside, CA 920581205344066
- Daniel Reyes, PMHNPOceanside, CA 920571942741699
- Linda Stanley, PMHNPOceanside, CA 920571376807701
- Brooke Climer, PMHNPOceanside, CA 920561992583421
- Janmarie Fisher-Griffis, DNP, PMHNP, PMHCNSOceanside, CA 920561073679387
- Melody James, PMHCNS-BC, PMHNP-BCOceanside, CA 920561134460603
Common questions
What is Julie K. Marhefka, PMHNP-BC's NPI number?
Julie K. Marhefka, PMHNP-BC's National Provider Identifier (NPI) is 1699077123, issued on Dec 5, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Julie K. Marhefka, PMHNP-BC located?
The NPPES record lists a practice address at 1701 Mission Ave Ste 230, Oceanside, CA, 92058. Phone: (760) 712-3535. Providers update this record themselves, so call before visiting.
How can I verify Julie K. Marhefka, PMHNP-BC's license?
NPPES lists California license number 95009591, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Julie K. Marhefka, PMHNP-BC prescribe under Medicare Part D?
In 2024, Julie K. Marhefka, PMHNP-BC had 919 Medicare Part D claims for 43 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. 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.