Diana Helen Lopez, PMHNP
Psychiatric/Mental Health Nurse Practitioner · Monrovia, CA
Diana Helen Lopez, PMHNP is a psychiatric/mental health nurse practitioner with a practice address in Monrovia, California, and NPI 1528648284, issued on Apr 8, 2021. Check the license (California 95022261, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Diana Helen Lopez
- Credential
- PMHNP
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- 95022261 CA
Self-reported in NPPES; status is on the state search - Practice location
- 50 W Lemon Ave Ste 31, Monrovia, CA 91016
- Phone
- (323) 410-0021
- Enumerated
- Apr 8, 2021
- Record last updated
- Sep 13, 2023
- Fax
- (323) 410-2001
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 4,226 in California → Look up another NPI →
Verify Diana Helen Lopez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95022261Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
150 Medicare Part D claims for 15 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D.
Most prescribed
- Gabapentin34 claims
- Quetiapine Fumarate34 claims
- Sertraline Hcl15 claims
- Aripiprazole12 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.
Diana Helen Lopez among 4,226 psychiatric/mental health nurse practitioner records in California
Diana Helen Lopez, 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 2021, is newer than 46% of them.
- NPI issued2021 · 46% of these records are older, 46% newer
- In a Medicare fileYes · 62% of these records are
- In the CMS Doctors and Clinicians fileNo · 46% of these records are
- 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).
11 psychiatric/mental health nurse practitioner records list a practice address in Monrovia
They are 11 of the 17,347 NPPES records with a practice address in Monrovia, and 4,226 psychiatric/mental health nurse practitioner records in California.
All 4,226 in California → Every provider in Monrovia → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Catarina Fleury, MSN, RN-BC, PMHNP-BCMonrovia, CA 910161366059669
- Denis Grigorov, NPMonrovia, CA 910161548968167
- Leah Haddad, NPMonrovia, CA 910161033706890
- Elena Hicks, PMHNP-BCMonrovia, CA 910161619431269
- Adriana Jimenez, PMHNPMonrovia, CA 910161558214791
- Marjourie Mayorga, NPMonrovia, CA 910161871323097
- Melissa Mayr, PMHNP-BCMonrovia, CA 910161083272868
- Tabitha McJunkins, PMHNP-BCMonrovia, CA 910161659869865
Common questions
What is Diana Helen Lopez, PMHNP's NPI number?
Diana Helen Lopez, PMHNP's National Provider Identifier (NPI) is 1528648284, issued on Apr 8, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Diana Helen Lopez, PMHNP located?
The NPPES record lists a practice address at 50 W Lemon Ave Ste 31, Monrovia, CA, 91016. Phone: (323) 410-0021. Providers update this record themselves, so call before visiting.
How can I verify Diana Helen Lopez, PMHNP's license?
NPPES lists California license number 95022261, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Diana Helen Lopez, PMHNP prescribe under Medicare Part D?
In 2024, Diana Helen Lopez, PMHNP had 150 Medicare Part D claims for 15 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.