Doctor profile · Federal record

Dr. William Sima, MD INC

Orthopaedic Surgery Physician (CMS: Orthopedic Surgery) · Templeton, CA

  • NPI 1770505505
  • Accepts Medicare
  • MIPS 66.8 / 100 · 2023
  • 41 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
322 Posada Lane, Ste A
Templeton, CA 93465
(805) 434-5555
fax (805) 434-5502

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
May 28, 2015
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
207X00000X — NUCC code
State license (1)
California #G58221

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1770505505. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,887
Distinct HCPCS
10
Medicare allowed
$412,508
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 778 419 $132
99213 Established patient office or other outpatient visit, 20-29 minutes 339 223 $94
G0181 Physician or allowed practitioner supervision of a patient receiving medicare-covered services provided by a participating home health agency (patient not present) requiring complex and multidisciplinary care modalities involving regular physician or allow 298 110 $107
99204 New patient office or other outpatient visit, 45-59 minutes 220 220 $171
73562 X-ray of knee, 3 views 142 109 $44
20610 Aspiration and/or injection of fluid from large joint 138 106 $65
73502 X-ray of hip, 2-3 views 116 87 $51
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and 103 94 $55
20611 Aspiration and/or injection of fluid large joint using ultrasound guidance 97 67 $102
J0665 Injection, bupivicaine, not otherwise specified, 0.5 mg 89 77 $0

In context: peer comparison

Among 2 peers in Templeton Orthopaedic Surgery Physician, average services per provider: 137. This provider delivers 21× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,137
Transactions
19
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Arthrex, INC. 14 $2,725.81
Cornerstone Medical Associates, INC. 3 $358.57
Bone Support INC. 1 $28.10
Pacira Pharmaceuticals Incorporated 1 $24.94

By nature of payment

Travel and Lodging
$1,987
Food and Beverage
$1,150

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,020
Patients
830
Total drug cost
$13,990
Drug Type Claims Patients Total cost
Ondansetron Hcl Generic 160 149 $1,226
Celecoxib Generic 157 108 $7,972
Amoxicillin Generic 127 73 $155
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 126 98 $1,671
Cephalexin Generic 112 104 $389
Hydromorphone Hcl Generic 110 101 $98
Mupirocin Generic 110 106 $1,250
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 60 55 $527
Clindamycin Hcl Generic 19 14 $51
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 15 11 $151

Frequently asked questions

Auto-generated from federal data
What is Dr. William Sima's medical specialty?
Dr. William Sima practices Orthopaedic Surgery Physician in Templeton, CA.
Where does Dr. William Sima practice?
Dr. William Sima practices at 322 Posada Lane, Templeton, CA 93465. Office phone: 8054345555.
What is Dr. William Sima's NPI?
Dr. William Sima's National Provider Identifier (NPI) is 1770505505, issued by NPPES.
Does Dr. William Sima accept Medicare assignment?
Yes. Dr. William Sima accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Sima commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Physician or allowed practitioner supervision of a patient receiving medicare-covered services provided by a participating home health agency (patient not present) requiring complex and multidisciplinary care modalities involving regular physician or allow (HCPCS G0181). Source: CMS Medicare Physician & Other Practitioners file.