Sharon Jack, FNP
Family Nurse Practitioner · Mission Viejo, CA
Sharon Jack, FNP is a family nurse practitioner with a practice address in Mission Viejo, California, and NPI 1831348663, issued on Sep 17, 2008. Check the license (California 18311, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sharon Jack
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 18311 CA
Self-reported in NPPES; status is on the state search - Practice location
- 25272 Marguerite Pkwy, Mission Viejo, CA 92692
- Phone
- (612) 225-1512
- Enumerated
- Sep 17, 2008
- Record last updated
- Mar 2, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20090502000033); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 16,966 in California → Look up another NPI →
Also registered at 25272 Marguerite Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Roza Kazemi, PHARM DPharmacist1780057075
- Stephanie Le, PHARMDPharmacist1386158772
- Shannon Liauw, FNP-CFamily Nurse Practitioner1669082095
- Caroline Oh, NPFamily Nurse Practitioner1184894974
- Jacqueline PhamFamily Nurse Practitioner1114534542
- Audra Pisani, NPFamily Nurse Practitioner1851014922
Verify Sharon Jack in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 18311Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% fewer Medicare Part D claims than the average family nurse practitioner in 2024
753 Medicare Part D claims for 165 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium45 claims
- Omeprazole33 claims
- Levothyroxine Sodium31 claims
- Metformin Hcl27 claims
- Benazepril Hcl25 claims
- Furosemide23 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
- County OF RiversidePerris, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sharon Jack among 16,966 family nurse practitioner records in California
Sharon Jack, FNP 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 2008, is newer than 13% of them.
- NPI issued2008 · 13% of these records are older, 85% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated2008 · median 2019 among the 6,793 with a school on file
- Record last updated2011 · 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).
53 family nurse practitioner records list a practice address in Mission Viejo
They are 53 of the 2,156 NPPES records with a practice address in Mission Viejo, and 16,966 family nurse practitioner records in California.
All 16,966 in California → Every provider in Mission Viejo → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Constance Betz, FNP-BCMission Viejo, CA 926921548910219
- Shannon Liauw, FNP-CMission Viejo, CA 926921669082095
- Susan Manabo, FNPMission Viejo, CA 926921063437754
- Caroline Oh, NPMission Viejo, CA 926921184894974
- Jacqueline PhamMission Viejo, CA 926921114534542
- Audra Pisani, NPMission Viejo, CA 926921851014922
- Sahar Saghafi, FNPMission Viejo, CA 926921265271225
- Thomas Schreiber, FNP-BCMission Viejo, CA 926921881248961
Common questions
What is Sharon Jack, FNP's NPI number?
Sharon Jack, FNP's National Provider Identifier (NPI) is 1831348663, issued on Sep 17, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Sharon Jack, FNP located?
The NPPES record lists a practice address at 25272 Marguerite Pkwy, Mission Viejo, CA, 92692. Phone: (612) 225-1512. Providers update this record themselves, so call before visiting.
How can I verify Sharon Jack, FNP's license?
NPPES lists California license number 18311, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Sharon Jack, FNP prescribe under Medicare Part D?
In 2024, Sharon Jack, FNP had 753 Medicare Part D claims for 165 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.