Doctor profile · Federal record

Dr. William Hallier, M.D.

Orthopaedic Surgery Physician (CMS: Orthopedic Surgery) · Cottonwood, AZ

  • NPI 1245452713
  • Accepts Medicare
  • MIPS 83.2 / 100 · 2023
  • 28 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
340 S Willard St
Cottonwood, AZ 863264126
(928) 639-6025
fax (928) 634-1117
Additional location
7219 North Litchfield Road
Luke A F B, AZ 85309
(623) 856-7553
Mailing address
7219 North Litchfield Road
Luke A F B, AZ 85309

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
September 10, 2020
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207X00000X — NUCC code
State license (1)
Arizona #28017

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1245452713. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
149
Distinct HCPCS
4
Medicare allowed
$17,218
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 51 42 $87
99214 Established patient office or other outpatient visit, 30-39 minutes 48 43 $121
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 32 32 $126
99204 New patient office or other outpatient visit, 45-59 minutes 18 18 $161

In context: peer comparison

Among 2 peers in this city , average services per provider: 28. This provider delivers 5.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
31
Patients
31
Total drug cost
$142
Drug Type Claims Patients Total cost
Acetaminophen-Codeine (Acetaminophen With Codeine) Brand 16 16 $37
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 15 15 $105

Frequently asked questions

Auto-generated from federal data
What is Dr. William Hallier's medical specialty?
Dr. William Hallier practices Orthopaedic Surgery Physician in Cottonwood, AZ.
Where does Dr. William Hallier practice?
Dr. William Hallier practices at 340 S Willard St, Cottonwood, AZ 863264126. Office phone: 9286396025.
What is Dr. William Hallier's NPI?
Dr. William Hallier's National Provider Identifier (NPI) is 1245452713, issued by NPPES.
Does Dr. William Hallier accept Medicare assignment?
Yes. Dr. William Hallier accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Hallier commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.