Doctor profile · Federal record

Dr. Madison Calder, MD

Nephrology Physician (CMS: Internal Medicine) · Internal Medicine Physician · Fairfield, CA

  • NPI 1336773571
  • Accepts Medicare
  • 6 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
101 Bodin Cir
Fairfield, CA 945351809
(707) 816-5930

Credentials & registration

NPPES · NUCC
NPI registered
February 2020 — 6 yrs on file
Profile last updated
July 6, 2025
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
California #A176375

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1336773571. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$95
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Lilly USA, LLC 1 $95.27

By nature of payment

Food and Beverage
$95

Frequently asked questions

Auto-generated from federal data
What is Dr. Madison Calder's medical specialty?
Dr. Madison Calder practices Nephrology Physician in Fairfield, CA.
Where does Dr. Madison Calder practice?
Dr. Madison Calder practices at 101 Bodin Cir, Fairfield, CA 945351809. Office phone: 7078165930.
What is Dr. Madison Calder's NPI?
Dr. Madison Calder's National Provider Identifier (NPI) is 1336773571, issued by NPPES.
Does Dr. Madison Calder accept Medicare assignment?
Yes. Dr. Madison Calder accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.