Doctor profile · Federal record

Dr. Stephen Huffaker, MD, PHD

Orthopaedic Surgery Physician (CMS: Orthopedic Surgery) · Adult Reconstructive Orthopaedic Surgery Physician · Redwood City, CA

  • NPI 1861713000
  • Accepts Medicare
  • 16 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
450 Broadway St, Stanford University School of Medicine, Dept of Ortho
Redwood City, CA 940633132
(650) 721-7629
fax (650) 721-3470

Credentials & registration

NPPES · NUCC
NPI registered
June 2010 — 16 yrs on file
Profile last updated
December 17, 2021
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207X00000X — NUCC code
State license (1)
California #A135749

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861713000. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$116
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Zimmer Biomet Holdings, Inc. 1 $116.41

By nature of payment

Food and Beverage
$116

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
61
Patients
35
Total drug cost
$904
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 32 23 $312
Amoxicillin Generic 18 12 $150
Diclofenac Sodium Generic 11 0 $442

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Huffaker's medical specialty?
Dr. Stephen Huffaker practices Orthopaedic Surgery Physician in Redwood City, CA.
Where does Dr. Stephen Huffaker practice?
Dr. Stephen Huffaker practices at 450 Broadway St, Redwood City, CA 940633132. Office phone: 6507217629.
What is Dr. Stephen Huffaker's NPI?
Dr. Stephen Huffaker's National Provider Identifier (NPI) is 1861713000, issued by NPPES.
Does Dr. Stephen Huffaker accept Medicare assignment?
Yes. Dr. Stephen Huffaker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.