Doctor profile · Federal record

Dr. Grace McGuinness, NP

Nurse Practitioner · Walnut Creek, CA

  • NPI 1447789433
  • Accepts Medicare
  • MIPS 85.7 / 100 · 2023
  • 10 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
177 la Casa Via Ste 170
Walnut Creek, CA 945986101
(925) 692-5650
Mailing address
1450 Treat Blvd Ste 300
Walnut Creek, CA 945972168

Credentials & registration

NPPES · NUCC
NPI registered
June 2017 — 9 yrs on file
Profile last updated
July 9, 2025
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
California #NP95006172

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1447789433. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$31
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Pfizer INC. 1 $17.14
Sumitomo Pharma America, INC. 1 $13.57

By nature of payment

Food and Beverage
$31

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
12
Patients
0
Total drug cost
$358
Drug Type Claims Patients Total cost
Tamsulosin Hcl Generic 12 0 $358

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Grace McGuinness's medical specialty?
Dr. Grace McGuinness practices Nurse Practitioner in Walnut Creek, CA.
Where does Dr. Grace McGuinness practice?
Dr. Grace McGuinness practices at 177 la Casa Via Ste 170, Walnut Creek, CA 945986101. Office phone: 9256925650.
What is Dr. Grace McGuinness's NPI?
Dr. Grace McGuinness's National Provider Identifier (NPI) is 1447789433, issued by NPPES.
Does Dr. Grace McGuinness accept Medicare assignment?
Yes. Dr. Grace McGuinness accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.