Doctor profile · Federal record

Dr. William Frisella, MD

Orthopaedic Surgery Physician (CMS: Orthopedic Surgery) · Saint Peters, MO

  • NPI 1851427066
  • Accepts Medicare
  • MIPS 75.0 / 100 · 2023
  • 25 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
112 Piper Hill Drive, Suite 9
Saint Peters, MO 633761690
(636) 441-3444
fax (636) 441-9832
Mailing address
P.O. Box 430
St. Peters, MO 633760008

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
August 19, 2011
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207X00000X — NUCC code
State license (1)
Missouri #2007002737

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851427066. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
939
Distinct HCPCS
10
Medicare allowed
$148,942
HCPCS Description Services Patients Avg allowed
73030 X-ray of shoulder, minimum of 2 views 242 189 $36
99213 Established patient office or other outpatient visit, 20-29 minutes 142 126 $87
99212 Established patient office or other outpatient visit, 10-19 minutes 118 108 $55
99214 Established patient office or other outpatient visit, 30-39 minutes 81 75 $124
99203 New patient office or other outpatient visit, 30-44 minutes 59 59 $109
J1030 Injection, methylprednisolone acetate, 40 mg 53 36 $7
20611 Aspiration and/or injection of fluid large joint using ultrasound guidance 51 47 $101
29826 Shaving of part of shoulder bone and repair of ligament using an endoscope 33 33 $167
23472 Prosthetic repair of shoulder joint, total shoulder 32 32 $1,386
29827 Repair of shoulder rotator cuff using an endoscope 30 30 $1,047

In context: peer comparison

Among 2 peers in Saint Peters Orthopaedic Surgery Physician, average services per provider: 55. This provider delivers 17× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$331
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Shoulder Innovations, INC. 1 $158.96
Stryker Corporation 2 $137.97
Zimmer Biomet Holdings, INC. 1 $34.25

By nature of payment

Food and Beverage
$331

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
213
Patients
182
Total drug cost
$1,330
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 121 117 $642
Cephalexin Generic 29 25 $227
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 21 0 $362
Ondansetron Hcl Generic 15 14 $34
Alprazolam Generic 14 13 $7
Acetaminophen-Codeine (Acetaminophen With Codeine) Brand 13 13 $58

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Frisella's medical specialty?
Dr. William Frisella practices Orthopaedic Surgery Physician in Saint Peters, MO.
Where does Dr. William Frisella practice?
Dr. William Frisella practices at 112 Piper Hill Drive, Saint Peters, MO 633761690. Office phone: 6364413444.
What is Dr. William Frisella's NPI?
Dr. William Frisella's National Provider Identifier (NPI) is 1851427066, issued by NPPES.
Does Dr. William Frisella accept Medicare assignment?
Yes. Dr. William Frisella accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Frisella commonly perform?
Top Medicare-reported procedures in 2023: X-ray of shoulder, minimum of 2 views (HCPCS 73030); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99212). Source: CMS Medicare Physician & Other Practitioners file.