Mary E. Joswig, FNP
Nurse Practitioner · Vista, CA
Mary E. Joswig, FNP is a nurse practitioner with a practice address in Vista, California, and NPI 1588671069, issued on Aug 1, 2006. Check the license (California 5915, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mary E. Joswig
- Credential
- FNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- 5915 CA
RN267491 CA
Self-reported in NPPES; status is on the state search - Practice location
- 130 Cedar RD # 200, Vista, CA 92083
- Phone
- (760) 806-5540
- Enumerated
- Aug 1, 2006
- Record last updated
- Jun 16, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (760) 945-4917
- Medicaid ID
- RN267491 CA
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 8,223 in California → Look up another NPI →
Verify Mary E. Joswig in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 5915Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Mary E. Joswig among 8,223 nurse practitioner records in California
Mary E. Joswig, FNP is one of 8,223 nurse practitioner records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 82% newer
- In a Medicare fileNo · 65% of these records are
- In the CMS Doctors and Clinicians fileNo · 42% of these records are
- Record last updated2009 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
20 nurse practitioner records list a practice address in Vista
They are 20 of the 2,017 NPPES records with a practice address in Vista, and 8,223 nurse practitioner records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 8,223 in California → Every provider in Vista → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Nga Dwork, FNP-BCVista, CA 920831659808608
- Judy Puryear, CNPVista, CA 920831033157797
- Erin Quinn, NPFVista, CA 920831295801470
- Anthony Serrato, NP-CVista, CA 920831376138388
- Ali-Akbar Shahine, NPVista, CA 920831891337812
- Gail Barber, R.N.,N.P.Valley Center, CA 920821205084068
- Trudy Cohen, NP (ADULT NURSE PRACVista, CA 920841700897626
- Ingrid Dekkers-O'Hare, NPVista, CA 920841013938968
Common questions
What is Mary E. Joswig, FNP's NPI number?
Mary E. Joswig, FNP's National Provider Identifier (NPI) is 1588671069, issued on Aug 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary E. Joswig, FNP located?
The NPPES record lists a practice address at 130 Cedar RD # 200, Vista, CA, 92083. Phone: (760) 806-5540. Providers update this record themselves, so call before visiting.
How can I verify Mary E. Joswig, FNP's license?
NPPES lists California license number 5915, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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. 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.