Doctor profile · Federal record

Dr. Nadine Williams, MD

Orthopaedic Surgery Physician · Orthopaedic Surgery Physician · Loma Linda, CA

  • NPI 1992971840
  • MIPS 76.4 / 100 · 2023
  • 18 yrs on file
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
25455 Barton RD, Suite 102B
Loma Linda, CA 923543128
(909) 558-2808
fax (909) 558-4772

Credentials & registration

NPPES · NUCC
NPI registered
May 2008 — 18 yrs on file
Profile last updated
July 21, 2022
Specialty taxonomy
207X00000X — NUCC code
State licenses (2)
California #A145293 · New York #262598

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1992971840. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
19
Distinct HCPCS
1
Medicare allowed
$1,785
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 19 18 $94

In context: peer comparison

Among 3 peers in this city , average services per provider: 30. This provider delivers 0.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,680
Transactions
9
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Zimmer Biomet Holdings, Inc. 8 $2,656.53
Bioventus LLC 1 $23.45

By nature of payment

Travel and Lodging
$1,794
Food and Beverage
$886

Frequently asked questions

Auto-generated from federal data
What is Dr. Nadine Williams's medical specialty?
Dr. Nadine Williams practices Orthopaedic Surgery Physician in Loma Linda, CA.
Where does Dr. Nadine Williams practice?
Dr. Nadine Williams practices at 25455 Barton RD, Loma Linda, CA 923543128. Office phone: 9095582808.
What is Dr. Nadine Williams's NPI?
Dr. Nadine Williams's National Provider Identifier (NPI) is 1992971840, issued by NPPES.
What procedures does Dr. Nadine Williams commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.