Vilben Michael Merza De Guzman, NP
Gerontology Nurse Practitioner · San Clemente, CA
Vilben Michael Merza De Guzman, NP is a gerontology nurse practitioner with a practice address in San Clemente, California, and NPI 1205228947, issued on Mar 3, 2015. Check the license (California 95002149, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Vilben Michael Merza De Guzman
- Credential
- NP
- Primary taxonomy
- Gerontology Nurse Practitioner 363LG0600X
- License number
- 95002149 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1001 Avenida Pico, San Clemente, CA 92673
- Phone
- (949) 226-8416
- Enumerated
- Mar 3, 2015
- Record last updated
- Mar 3, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20150429000224); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gerontology nurse practitioner records → All 569 in California → Look up another NPI →
Also registered at 1001 Avenida Pico
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Cary Stewart, M.D.Internal Medicine Physician1184690901
Verify Vilben Michael Merza De Guzman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95002149Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average gerontology nurse practitioner in 2024
141 Medicare Part D claims for 82 beneficiaries, against an average of 1,369 among the 6,165 providers of this specialty who prescribed in Part D.
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
- The Regents OF The University OF California-IrvineOrange, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Vilben Michael Merza De Guzman among 569 gerontology nurse practitioner records in California
Vilben Michael Merza De Guzman, NP is one of 569 gerontology nurse practitioner records with a practice address in California. 64% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 39% of them.
- NPI issued2015 · 39% of these records are older, 58% newer
- In a Medicare fileYes · 64% of these records are
- In the CMS Doctors and Clinicians fileYes · 42% of these records are
- Graduated2014 · median 2018 among the 239 with a school on file
- Record last updated2015 · 44% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LG0600X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gerontology Nurse Practitioner providers in California
There are 569 gerontology nurse practitioner records in California.
All 569 in California → Every provider in San Clemente → Gerontology Nurse Practitioner nationwide →
The 8 gerontology nurse practitioner records with the nearest ZIP codes
- Pamela Reuben-EubanksSan Clemente, CA 926731366831307
- Nalinee MathitakTrabuco Canyon, CA 926791396104741
- Jasmine Tran, NPWestminster, CA 926831235893561
- Bao Quyen VuWestminster, CA 926831659199875
- Frances Hizon-Smith, GNPNewport Beach, CA 926601770710477
- Marivic RobinsonAliso Viejo, CA 926561811786643
- Parisa Zardkouhi, AGNPMission Viejo, CA 926921336902527
- Yanling Song, A/G NPLaguna Hills, CA 926531730517780
Common questions
What is Vilben Michael Merza De Guzman, NP's NPI number?
Vilben Michael Merza De Guzman, NP's National Provider Identifier (NPI) is 1205228947, issued on Mar 3, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Vilben Michael Merza De Guzman, NP located?
The NPPES record lists a practice address at 1001 Avenida Pico, San Clemente, CA, 92673. Phone: (949) 226-8416. Providers update this record themselves, so call before visiting.
How can I verify Vilben Michael Merza De Guzman, NP's license?
NPPES lists California license number 95002149, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Vilben Michael Merza De Guzman, NP prescribe under Medicare Part D?
In 2024, Vilben Michael Merza De Guzman, NP had 141 Medicare Part D claims for 82 beneficiaries; the average among gerontology nurse practitioner prescribers was 1,369. 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.