Doctor profile · Federal record

Dr. Kevin Grimes, MD

Internal Medicine Physician (CMS: Internal Medicine) · Stanford, CA

  • NPI 1881759421
  • Accepts Medicare
  • MIPS 75.5 / 100 · 2023
  • 44 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
300 Pasteur Dr
Stanford, CA 943052200
(650) 723-4000
Additional location
1464 Gilmore St
Mountain View, CA 940402915
(650) 969-1944
Additional location
Internal Medicine, Stanford Hospital and Clinics
Stanford, CA 94305
(650) 498-6920

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
April 18, 2024
Year of graduation
1982 — 44 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #G51537

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881759421. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
80
Distinct HCPCS
1
Medicare allowed
$6,096
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 80 57 $76

In context: peer comparison

Among 95 peers in Stanford Internal Medicine Physician, average services per provider: 85. This provider delivers 0.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$19
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Genentech, INC. 1 $18.83

By nature of payment

Food and Beverage
$19

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Kevin Grimes's medical specialty?
Dr. Kevin Grimes practices Internal Medicine Physician in Stanford, CA.
Where does Dr. Kevin Grimes practice?
Dr. Kevin Grimes practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507234000.
What is Dr. Kevin Grimes's NPI?
Dr. Kevin Grimes's National Provider Identifier (NPI) is 1881759421, issued by NPPES.
Does Dr. Kevin Grimes accept Medicare assignment?
Yes. Dr. Kevin Grimes accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kevin Grimes commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.