Lisa Marie Buffum, RN, MS, GNP
Gerontology Nurse Practitioner · Walnut Creek, CA
Lisa Marie Buffum, RN, MS, GNP is a gerontology nurse practitioner with a practice address in Walnut Creek, California, and NPI 1205145802, issued on Sep 29, 2010. Check the license (California 20058, 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
- Lisa Marie Buffum
- Credential
- RN, MS, GNP
- Primary taxonomy
- Gerontology Nurse Practitioner 363LG0600X
- License number
- 20058 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1601 Ygnacio Valley RD, Walnut Creek, CA 94598
- Phone
- (925) 941-4182
- Enumerated
- Sep 29, 2010
- Record last updated
- Sep 29, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (925) 941-4203
- Entity
- Type 1 · individual
8 nearest gerontology nurse practitioner records → All 569 in California → Look up another NPI →
Also registered at 1601 Ygnacio Valley RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Lisa Marie Buffum in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 20058Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Lisa Marie Buffum among 569 gerontology nurse practitioner records in California
Lisa Marie Buffum, RN, MS, GNP 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 not. Its NPI, issued in 2010, is newer than 24% of them.
- NPI issued2010 · 24% of these records are older, 73% newer
- In a Medicare fileNo · 64% of these records are
- In the CMS Doctors and Clinicians fileNo · 42% of these records are
- Record last updated2010 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 569 in California → Every provider in Walnut Creek → Gerontology Nurse Practitioner nationwide →
The 8 gerontology nurse practitioner records with the nearest ZIP codes
- Carol Evans, NPWalnut Creek, CA 945981699864207
- Mary Cochran Abraham, N.P.Yountville, CA 945991841505633
- Robin Bon, NPWalnut Creek, CA 945961104998103
- Mary Conklin, NPWalnut Creek, CA 945961366526840
- Sunayna Kumar, NPWalnut Creek, CA 945951619342086
- Belkiz Quintanilla MejiaOakland, CA 946011518668698
- Stephanie De Leon, A-GNP-COakland, CA 946061396350716
- Margaret Wahl, RN,Vallejo, CA 945891881795573
Common questions
What is Lisa Marie Buffum, RN, MS, GNP's NPI number?
Lisa Marie Buffum, RN, MS, GNP's National Provider Identifier (NPI) is 1205145802, issued on Sep 29, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Lisa Marie Buffum, RN, MS, GNP located?
The NPPES record lists a practice address at 1601 Ygnacio Valley RD, Walnut Creek, CA, 94598. Phone: (925) 941-4182. Providers update this record themselves, so call before visiting.
How can I verify Lisa Marie Buffum, RN, MS, GNP's license?
NPPES lists California license number 20058, 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.