Vivian Hanna Park, N.P.
Adult Health Nurse Practitioner · Walnut Creek, CA
Vivian Hanna Park, N.P. is an adult health nurse practitioner with a practice address in Walnut Creek, California, and NPI 1932533452, issued on Sep 3, 2013. Check the license (California 23438, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Vivian Hanna Park
- Credential
- N.P.
- Primary taxonomy
- Adult Health Nurse Practitioner 363LA2200X
- License number
- 23438 CA
Self-reported in NPPES; status is on the state search - Practice location
- 500 Lennon LN, Walnut Creek, CA 94598
- Phone
- (925) 939-9610
- Enumerated
- Sep 3, 2013
- Record last updated
- Sep 3, 2013 (not updated in 13 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest adult health nurse practitioner records → All 1,405 in California → Look up another NPI →
Also registered at 500 Lennon LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stephanie Chiu, NPNurse Practitioner1043091663
- Kathleen Fitterer, N.P.Nurse Practitioner1649439126
- Aruna Gavini, MDHematology & Oncology Physician1942439021
- Von Hoang, FNP-CFamily Nurse Practitioner1275921223
- Aleena Khan, NP-CFamily Nurse Practitioner1508457912
- Gauri Sharma, D.O.Hematology & Oncology Physician1528234002
Verify Vivian Hanna Park in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 23438Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $42.86
2 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 12,291 providers of this specialty with any payment received $946.40 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Vivian Hanna Park among 1,405 adult health nurse practitioner records in California
Vivian Hanna Park, N.P. is one of 1,405 adult health nurse practitioner records with a practice address in California. 56% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 52% of them.
- NPI issued2013 · 52% of these records are older, 42% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileNo · 31% of these records are
- Record last updated2013 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Adult Health Nurse Practitioner providers in California
There are 1,405 adult health nurse practitioner records in California.
All 1,405 in California → Every provider in Walnut Creek → Adult Health Nurse Practitioner nationwide →
The 8 adult health nurse practitioner records with the nearest ZIP codes
- Gwendolyn Cashman, N.P.Walnut Creek, CA 945981720057037
- Li Chen, N.P.Walnut Creek, CA 945981336232560
- Laura Davis, N.P.Walnut Creek, CA 945981982936068
- Tricia McNeal, AGNPWalnut Creek, CA 945981902299506
- Kimberly Oja, NPWalnut Creek, CA 945981396245064
- Katherine Sieu, RN, NPWalnut Creek, CA 945981356591085
- Terilyn Voegtle, APRN, BCWalnut Creek, CA 945981063670743
- Zachary Johnston, NPWalnut Creek, CA 945971730075623
Common questions
What is Vivian Hanna Park, N.P.'s NPI number?
Vivian Hanna Park, N.P.'s National Provider Identifier (NPI) is 1932533452, issued on Sep 3, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Vivian Hanna Park, N.P. located?
The NPPES record lists a practice address at 500 Lennon LN, Walnut Creek, CA, 94598. Phone: (925) 939-9610. Providers update this record themselves, so call before visiting.
How can I verify Vivian Hanna Park, N.P.'s license?
NPPES lists California license number 23438, 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. 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.