Physician Profile
Unclaimed ProfileAbout HALLIER
William Hallier, M.D. practises orthopedic surgery in Cottonwood, AZ. William is also listed as specialising in orthopaedic surgery.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What does Dr. Hallier specialise in?
Dr. Hallier is an orthopedic surgeon in Cottonwood, AZ. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “ORTHOPEDIC SURGERY”.
NPI registry
Where is Dr. Hallier located?
Dr. Hallier is listed at 340 S WILLARD ST, Cottonwood, AZ 86326. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Hallier's phone number?
The number on file is (928) 639-6025. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Hallier?
Dr. Hallier's National Provider Identifier is 1245452713. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Hallier go to medical school?
Dr. Hallier attended Other, graduating in 1998. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Hallier have?
Dr. Hallier has 28 years experience. Calculated from a graduation year of 1998, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Hallier do most often?
According to Medicare billing data, Dr. Hallier performs procedures including release and/or relocation of hand nerve and treatment of broken neck of thigh bone with bone implant, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Hallier's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Hallier. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (928) 639-6025
- Email not available
Practice Locations
340 S WILLARD ST
Cottonwood, AZ 86326
Procedures Most Often Billed to Medicare
144 services · 134 patients · 6 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Release and/or relocation of hand nerve | Procedure | 64721 |
13 |
| Treatment of broken neck of thigh bone with bone implant | Procedure | 27245 |
11 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
41 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
41 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
23 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
15 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other orthopedic surgeons at this location 3
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1998 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Release and/or relocation of hand nerve 8
Providers in AZ who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.