Doctor profile · Federal record

Dr. Paul Grimm, MD

Pediatric Nephrology Physician (CMS: Nephrology) · Pediatrics Physician · Palo Alto, CA

  • NPI 1184705386
  • Accepts Medicare
  • 45 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
725 Welch RD
Palo Alto, CA 943041601
(650) 497-8000
Additional location
300 Pasteur Dr, G306, Mc5208
Stanford, CA 943052200
(650) 723-7903
fax (650) 498-6714
Mailing address
300 Pasteur Dr, G306, Mc5208
Stanford, CA 943052200

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
April 16, 2024
Year of graduation
1981 — 45 yrs since
Specialty taxonomy
2080P0210X — NUCC code
State license (1)
California #A44616

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1184705386. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$17,134
Transactions
16
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Amgen Inc. 16 $17,134.09

By nature of payment

Consulting Fee
$14,651
Travel and Lodging
$2,192
Food and Beverage
$292

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
33
Patients
0
Total drug cost
$1,981,071
Drug Type Claims Patients Total cost
Procysbi (Cysteamine Bitartrate) Brand 22 0 $1,891,927
Cystadrops (Cysteamine Hcl) Brand 11 0 $89,144

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Paul Grimm's medical specialty?
Dr. Paul Grimm practices Pediatric Nephrology Physician in Palo Alto, CA.
Where does Dr. Paul Grimm practice?
Dr. Paul Grimm practices at 725 Welch RD, Palo Alto, CA 943041601. Office phone: 6504978000.
What is Dr. Paul Grimm's NPI?
Dr. Paul Grimm's National Provider Identifier (NPI) is 1184705386, issued by NPPES.
Does Dr. Paul Grimm accept Medicare assignment?
Yes. Dr. Paul Grimm accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.