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Edit this profileAt a glance
- 6130 N la Cholla Blvd Ste 135A, Tucson, AZ 85741
About Dr. Walker
Based in Tucson, AZ, Gregory T. Walker, MD is listed in the NPI registry under orthopedic surgery. Gregory is also listed as specializing in student in an organized health care education program and orthopaedic foot & ankle surgery. Medicare claims data shows Gregory provided 592 services to 422 patients. The services billed most often include injection, triamcinolone acetonide, not otherwise specified, 10 mg, new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more, and x-ray of ankle, minimum of 3 views. NPI 1801250659 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (520) 881-1394
- Email not available
Practice Locations
6130 N LA CHOLLA BLVD STE 135A
Tucson, AZ 85741
Conditions Commonly Evaluated or Treated
Within Orthopedic Surgery generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Elbow, hand, and wrist
Foot and ankle
Hip
Shoulder
Sports and soft tissue
Trauma and bone
Foot & Ankle
Spine
Procedures & services
Most searched procedures
Evaluation and nonsurgical
Arthroscopy
Foot & Ankle
Foot and ankle
Hand & Wrist
Hand and upper extremity
Injections & Non-Surgical
Injections & pain relief
Joint replacement
- Partial knee replacement
- Reverse shoulder replacement
- Revision joint replacement
- Shoulder replacement
Knee
Shoulder surgery
Trauma & Fractures
Trauma and fixation
Procedures Most Often Billed to Medicare
592 services · 422 patients · 10 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Closed treatment of broken bone in forefoot or midfoot | Procedure | 28470 |
15 | As often as other peers in Orthopedic Surgery |
| X-ray of ankle, minimum of 3 views | Imaging | 73610 |
90 | As often as other peers in Orthopedic Surgery |
| X-ray of foot, minimum of 3 views | Imaging | 73630 |
18 | Less often than most peers in Orthopedic Surgery |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
148 | As often as other peers in Orthopedic Surgery |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
97 | More often than most peers in Orthopedic Surgery |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
78 | As often as other peers in Orthopedic Surgery |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
64 | Less often than most peers in Orthopedic Surgery |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
39 | As often as other peers in Orthopedic Surgery |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
26 | More often than most peers in Orthopedic Surgery |
| Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | Office visit | 99221 |
17 | Too few peers to compare |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
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.
Other orthopedic surgeons in Tucson 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 2016 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Dr. Walker specialize in?
Dr. Walker is an orthopedic surgeon in Tucson, AZ. That is the designation recorded for this NPI in the federal registry, where it is listed as “Orthopedic Surgery”.
NPI registry
Where is Dr. Walker located?
Dr. Walker is listed at 6130 N la Cholla Blvd Ste 135A, Tucson, AZ 85741. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Walker's phone number?
The number on file is (520) 881-1394. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Walker?
Dr. Walker's National Provider Identifier is 1801250659. 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. Walker go to medical school?
Dr. Walker attended Other, graduating in 2016. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Walker have?
Dr. Walker has 10 years experience. Calculated from a graduation year of 2016, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Walker do most often?
According to Medicare billing data, Dr. Walker performs procedures including closed treatment of broken bone in forefoot or midfoot; reads or performs imaging such as x-ray of ankle, minimum of 3 views and x-ray of foot, minimum of 3 views, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Walker's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Walker. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.