Doctor profile · Federal record

Dr. Levi Williamson, PA-C

Medical Physician Assistant (CMS: Physician Assistant) · Physician Assistant · Surgical Physician Assistant · Rancho Santa Margarita, CA

  • NPI 1932672615
  • Accepts Medicare
  • MIPS 80.6 / 100 · 2023
  • 7 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
22431 Antonio Pkwy # B160-613
Rancho Santa Margarita, CA 926882804
(855) 727-2251
fax (855) 727-2251

Credentials & registration

NPPES · NUCC
NPI registered
January 2019 — 7 yrs on file
Profile last updated
May 28, 2025
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
363AM0700X — NUCC code
State license (1)
California #57670

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1932672615. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
675
Distinct HCPCS
10
Medicare allowed
$33,665
HCPCS Description Services Patients Avg allowed
20610 Aspiration and/or injection of fluid from large joint 147 136 $45
73564 X-ray of knee, 4 or more views 132 103 $10
99213 Established patient office or other outpatient visit, 20-29 minutes 132 121 $57
73502 X-ray of hip, 2-3 views 72 69 $9
99203 New patient office or other outpatient visit, 30-44 minutes 55 55 $72
99212 Established patient office or other outpatient visit, 10-19 minutes 52 50 $31
27130 Replacement of thigh bone and hip joint with prosthesis 29 28 $180
99214 Established patient office or other outpatient visit, 30-39 minutes 24 24 $86
99204 New patient office or other outpatient visit, 45-59 minutes 18 18 $116
27447 Replacement of knee joint, both sides of knee 14 14 $187

In context: peer comparison

Among 2 peers in this city , average services per provider: 66. This provider delivers 10× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$239
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Ethicon US, LLC 1 $127.35
Davol Inc. 1 $111.98

By nature of payment

Food and Beverage
$239

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
138
Patients
94
Total drug cost
$11,580
Drug Type Claims Patients Total cost
Meloxicam Generic 66 47 $348
Oxycodone Hcl Generic 27 22 $164
Tramadol Hcl Generic 20 13 $70
Diclofenac Sodium Generic 13 0 $10,862
Gabapentin Generic 12 12 $135

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Levi Williamson's medical specialty?
Dr. Levi Williamson practices Medical Physician Assistant in Rancho Santa Margarita, CA.
Where does Dr. Levi Williamson practice?
Dr. Levi Williamson practices at 22431 Antonio Pkwy # B160-613, Rancho Santa Margarita, CA 926882804. Office phone: 8557272251.
What is Dr. Levi Williamson's NPI?
Dr. Levi Williamson's National Provider Identifier (NPI) is 1932672615, issued by NPPES.
Does Dr. Levi Williamson accept Medicare assignment?
Yes. Dr. Levi Williamson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Levi Williamson commonly perform?
Top Medicare-reported procedures in 2023: Aspiration and/or injection of fluid from large joint (HCPCS 20610); X-ray of knee, 4 or more views (HCPCS 73564); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.