Sarah Buenviaje, M.S.N., O.N.P.
Nurse Practitioner · Walnut Creek, CA
Sarah Buenviaje, M.S.N., O.N.P. is a nurse practitioner with a practice address in Walnut Creek, California, and NPI 1588716971, issued on Jan 17, 2007. Check the license (California 483356, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sarah Buenviaje
- Credential
- M.S.N., O.N.P.
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 483356 CA
Self-reported in NPPES; status is on the state search - Practice location
- 177 LA Casa Via Ste 390, Walnut Creek, CA 94598
- Phone
- (925) 692-5610
- Enumerated
- Jan 17, 2007
- Record last updated
- Jul 17, 2025
- Medicare enrollment
- Enrolled (PECOS I20230608001398); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 8,223 in California → Look up another NPI →
Also registered at 177 LA Casa Via Ste 390
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Sarah Buenviaje in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 483356Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% more Medicare Part D claims than the average nurse practitioner in 2024
1,811 Medicare Part D claims for 582 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims. 155 claims were for opioids.
Most prescribed
- Anastrozole96 claims
- Lenalidomide73 claims
- Hydrocodone-Acetaminophen61 claims
- Letrozole61 claims
- Revlimid59 claims
- Pomalyst58 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.
Industry payments in 2024: $1,763.64
62 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. The 38,884 providers of this specialty with any payment received $791.64 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.
Bills Medicare through one group practice
- John Muir Physician NetworkPleasant Hill, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sarah Buenviaje among 8,223 nurse practitioner records in California
Sarah Buenviaje, M.S.N., O.N.P. 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. Its NPI, issued in 2007, is newer than 18% of them.
- NPI issued2007 · 18% of these records are older, 73% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 42% of these records are
- Graduated1996 · median 2017 among the 3,425 with a school on file
- Record last updated2025 · 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).
70 nurse practitioner records list a practice address in Walnut Creek
They are 70 of the 6,170 NPPES records with a practice address in Walnut Creek, and 8,223 nurse practitioner records in California.
All 8,223 in California → Every provider in Walnut Creek → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Sarah Berg, NPWalnut Creek, CA 945981427062975
- Emily Brama, RN, MSN, FNP, NP-CWalnut Creek, CA 945981952696684
- Kathleen Fitterer, N.P.Walnut Creek, CA 945981649439126
- Allison Hanson, NPWalnut Creek, CA 945981376537589
- Amy Inouye, NPWalnut Creek, CA 945981780740332
- Olga Izmaylova, NPWalnut Creek, CA 945981568647543
- Leah Juhle, MSN, NP-CWalnut Creek, CA 945981255570750
- Patricia McCarley, RN NPWalnut Creek, CA 945981801897723
Common questions
What is Sarah Buenviaje, M.S.N., O.N.P.'s NPI number?
Sarah Buenviaje, M.S.N., O.N.P.'s National Provider Identifier (NPI) is 1588716971, issued on Jan 17, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Sarah Buenviaje, M.S.N., O.N.P. located?
The NPPES record lists a practice address at 177 LA Casa Via Ste 390, Walnut Creek, CA, 94598. Phone: (925) 692-5610. Providers update this record themselves, so call before visiting.
How can I verify Sarah Buenviaje, M.S.N., O.N.P.'s license?
NPPES lists California license number 483356, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Sarah Buenviaje, M.S.N., O.N.P. prescribe under Medicare Part D?
In 2024, Sarah Buenviaje, M.S.N., O.N.P. had 1,811 Medicare Part D claims for 582 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.