Joanna Violet Esplana De Mesa, NP-C
Family Nurse Practitioner · Oakland, CA
Joanna Violet Esplana De Mesa, NP-C is a family nurse practitioner with a practice address in Oakland, California, and NPI 1033743380, issued on Feb 26, 2020. Check the license (California 95014048, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Joanna Violet Esplana De Mesa
- Credential
- NP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 95014048 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3100 Summit St, Oakland, CA 94609
- Phone
- (510) 869-8865
- Enumerated
- Feb 26, 2020
- Record last updated
- Jan 13, 2022
- Fax
- (510) 869-6271
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 16,966 in California → Look up another NPI →
Also registered at 3100 Summit St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Joanna Violet Esplana De Mesa in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95014048Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average family nurse practitioner in 2024
35 Medicare Part D claims for 23 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Joanna Violet Esplana De Mesa among 16,966 family nurse practitioner records in California
Joanna Violet Esplana De Mesa, NP-C is one of 16,966 family nurse practitioner records with a practice address in California. 67% 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 56% of them.
- NPI issued2020 · 56% of these records are older, 38% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 40% of these records are
- Record last updated2022 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
205 family nurse practitioner records list a practice address in Oakland
They are 205 of the 18,558 NPPES records with a practice address in Oakland, and 16,966 family nurse practitioner records in California.
All 16,966 in California → Every provider in Oakland → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Marina Ataie Ebuen, N.POakland, CA 946091225473242
- Alice Benham, NPOakland, CA 946091578611570
- Tiffany Chan, F.N.P.-COakland, CA 946091306182001
- Angelina Chau, DNP, FNP-COakland, CA 946091649449893
- Valerie Dzubur, NPOakland, CA 946091760685275
- Janice Earl, NPOakland, CA 946091912298225
- Jody Mui, NPOakland, CA 946091942467006
- Erin Murphy, N.P.Oakland, CA 946091780861609
Common questions
What is Joanna Violet Esplana De Mesa, NP-C's NPI number?
Joanna Violet Esplana De Mesa, NP-C's National Provider Identifier (NPI) is 1033743380, issued on Feb 26, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Joanna Violet Esplana De Mesa, NP-C located?
The NPPES record lists a practice address at 3100 Summit St, Oakland, CA, 94609. Phone: (510) 869-8865. Providers update this record themselves, so call before visiting.
How can I verify Joanna Violet Esplana De Mesa, NP-C's license?
NPPES lists California license number 95014048, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Joanna Violet Esplana De Mesa, NP-C prescribe under Medicare Part D?
In 2024, Joanna Violet Esplana De Mesa, NP-C had 35 Medicare Part D claims for 23 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.