Grace McGuinness, NP
Nurse Practitioner · Walnut Creek, CA
Grace McGuinness, NP is a nurse practitioner with a practice address in Walnut Creek, California, and NPI 1447789433, issued on Jun 5, 2017. Check the license (California NP95006172, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Grace McGuinness
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- NP95006172 CA
Self-reported in NPPES; status is on the state search - Practice location
- 177 LA Casa Via Ste 170, Walnut Creek, CA 94598
- Phone
- (925) 692-5650
- Enumerated
- Jun 5, 2017
- Record last updated
- Jul 9, 2025
- Medicare enrollment
- Enrolled (PECOS I20171129001751); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 8,223 in California → Look up another NPI →
Verify Grace McGuinness in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license NP95006172Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average nurse practitioner in 2024
155 Medicare Part D claims for 86 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 15 claims were for opioids.
Most prescribed
- Tamsulosin Hcl23 claims
- Hydrocodone-Acetaminophen13 claims
- Lorazepam13 claims
- Orgovyx12 claims
- Tadalafil11 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 85.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $30.71
2 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer 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).
Grace McGuinness among 8,223 nurse practitioner records in California
Grace McGuinness, NP 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 2017, is newer than 52% of them.
- NPI issued2017 · 52% of these records are older, 44% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 42% of these records are
- Graduated2016 · 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
- Sarah Buenviaje, M.S.N., O.N.P.Walnut Creek, CA 945981588716971
- 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
Common questions
What is Grace McGuinness, NP's NPI number?
Grace McGuinness, NP's National Provider Identifier (NPI) is 1447789433, issued on Jun 5, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Grace McGuinness, NP located?
The NPPES record lists a practice address at 177 LA Casa Via Ste 170, Walnut Creek, CA, 94598. Phone: (925) 692-5650. Providers update this record themselves, so call before visiting.
How can I verify Grace McGuinness, NP's license?
NPPES lists California license number NP95006172, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Grace McGuinness, NP prescribe under Medicare Part D?
In 2024, Grace McGuinness, NP had 155 Medicare Part D claims for 86 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
What is Grace McGuinness, NP's MIPS final score?
The 2023 MIPS final score is 85.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.