William L. Hernandez, MSN, PMHNP
Psychiatric/Mental Health Nurse Practitioner · Palm Springs, CA
William L. Hernandez, MSN, PMHNP is a psychiatric/mental health nurse practitioner with a practice address in Palm Springs, California, and NPI 1245667351, issued on Oct 3, 2013. Check the license (California 23599, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William L. Hernandez
- Credential
- MSN, PMHNP
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- 23599 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1695 N Sunrise Way, Palm Springs, CA 92262
- Phone
- (760) 323-2118
- Enumerated
- Oct 3, 2013
- Record last updated
- Mar 19, 2025
- Medicare enrollment
- Enrolled (PECOS I20160720000369); 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 1695 N Sunrise Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Laine Alexandra, LCSWClinical Social Worker1134632623
- James Barry, PSYCHOLOGICAL ASSISTMental Health Counselor1336636745
- Daniel Brenner, LCSWClinical Social Worker1962837088
- Trent Broadus, ARNPNurse Practitioner1780967364
- M Anthony Brom, RPHPharmacist1811279599
- Cory Brown, MDInternal Medicine Physician1912167818
Verify William L. Hernandez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 23599Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
23% more Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
1,118 Medicare Part D claims for 115 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Bupropion Xl99 claims
- Quetiapine Fumarate93 claims
- Trazodone Hcl85 claims
- Sertraline Hcl78 claims
- Lamotrigine75 claims
- Descovy61 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
- Sokyahealth Medical Group PCSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William L. Hernandez among 4,226 psychiatric/mental health nurse practitioner records in California
William L. Hernandez, MSN, PMHNP 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 2013, is newer than 15% of them.
- NPI issued2013 · 15% of these records are older, 82% newer
- In a Medicare fileYes · 62% of these records are
- In the CMS Doctors and Clinicians fileYes · 46% of these records are
- Graduated2013 · median 2021 among the 1,965 with a school on file
- Record last updated2025 · 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 Palm Springs → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Brian Johnson, PH.D., NPPalm Springs, CA 922621407865660
- Mia Ragsdale-Avila, NPPalm Springs, CA 922621083104426
- Karen Schaaf, APRNPalm Springs, CA 922621295704484
- John Yuhas, DNP, PMHNP-BCPalm Springs, CA 922621538833512
- Debra Bennett, PMHNPPalm Desert, CA 922601811531361
- Giovanni Birrueta, PMHNPPalm Springs, CA 922641629813944
- Yaifeh ChafehPalm Springs, CA 922641508558099
- Christian Noel Evangelista, PMHNP-BCPalm Springs, CA 922641235844580
Common questions
What is William L. Hernandez, MSN, PMHNP's NPI number?
William L. Hernandez, MSN, PMHNP's National Provider Identifier (NPI) is 1245667351, issued on Oct 3, 2013. An NPI identifies a provider in billing; it is not a license.
Where is William L. Hernandez, MSN, PMHNP located?
The NPPES record lists a practice address at 1695 N Sunrise Way, Palm Springs, CA, 92262. Phone: (760) 323-2118. Providers update this record themselves, so call before visiting.
How can I verify William L. Hernandez, MSN, PMHNP's license?
NPPES lists California license number 23599, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does William L. Hernandez, MSN, PMHNP prescribe under Medicare Part D?
In 2024, William L. Hernandez, MSN, PMHNP had 1,118 Medicare Part D claims for 115 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.