Doctor profile · Federal record

Dr. William Buys, DO

Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medical Services (Emergency Medicine) Physician · Templeton, CA

  • NPI 1639127376
  • Accepts Medicare
  • 28 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1100 Las Tablas RD
Templeton, CA 934659704
(805) 546-7650
Mailing address
Po Box 87
Templeton, CA 934650087

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
May 24, 2010
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
California #20A8118
Medicaid
CA #00AX81180

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639127376. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
641
Distinct HCPCS
6
Medicare allowed
$74,358
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 249 243 $174
99284 Emergency department visit with moderate level of medical decision making 164 161 $120
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 107 101 $8
71045 X-ray of chest, 1 view 61 61 $9
99291 Critical care, first 30-74 minutes 41 40 $213
99283 Emergency department visit with low level of medical decision making 19 19 $71

In context: peer comparison

Among 3 peers in this city , average services per provider: 106. This provider delivers 6.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
101
Patients
99
Total drug cost
$599
Drug Type Claims Patients Total cost
Cephalexin Generic 45 44 $280
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 36 36 $197
Ondansetron Odt (Ondansetron) Brand 20 19 $122

Frequently asked questions

Auto-generated from federal data
What is Dr. William Buys's medical specialty?
Dr. William Buys practices Emergency Medicine Physician in Templeton, CA.
Where does Dr. William Buys practice?
Dr. William Buys practices at 1100 Las Tablas RD, Templeton, CA 934659704. Office phone: 8055467650.
What is Dr. William Buys's NPI?
Dr. William Buys's National Provider Identifier (NPI) is 1639127376, issued by NPPES.
Does Dr. William Buys accept Medicare assignment?
Yes. Dr. William Buys accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Buys commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.