Doctor profile · Federal record
Dr. Gregory Walker, MD
Orthopaedic Foot and Ankle Surgery Physician (CMS: Orthopedic Surgery) · Student in an Organized Health Care Education/Training Program · Tucson, AZ
- NPI 1801250659
- Accepts Medicare
- MIPS 89.3 / 100 · 2023
- 10 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
6130 N la Cholla Blvd Ste 135A
Tucson, AZ 857413557
(520) 881-1394
fax (520) 882-7464
Credentials & registration
- NPI registered
- April 2016 — 10 yrs on file
- Profile last updated
- November 28, 2022
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 207XX0004X — NUCC code
- State license (1)
- Arizona #85758
- Medicaid
- NV #250013578
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1801250659. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
495
Distinct HCPCS
10
Medicare allowed
$55,149
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99204 |
New patient office or other outpatient visit, 45-59 minutes | 93 | 93 | $160 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 83 | 54 | $124 | |
J3301 |
Injection, triamcinolone acetonide, not otherwise specified, 10 mg | 77 | 14 | $1 | |
73610 |
X-ray of ankle, minimum of 3 views | 73 | 59 | $35 | |
73630 |
X-ray of foot, minimum of 3 views | 71 | 58 | $33 | |
28470 |
Closed treatment of broken bone in forefoot or midfoot | 26 | 16 | $202 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 24 | 24 | $126 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 19 | 19 | $108 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 18 | 16 | $87 | |
27245 |
Treatment of broken neck of thigh bone with bone implant | 11 | 11 | $1,188 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 128. This provider delivers 3.9× the peer median.Open Payments
Industry payments received
All-time total
$466
Transactions
33
Manufacturers
6
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Orthofix Medical, Inc. | 25 | $219.10 | |
| Stryker Corporation | 3 | $120.61 | |
| Smith+Nephew, Inc. | 2 | $57.83 | |
| DJO, LLC | 1 | $26.89 | |
| MIMEDX Group, Inc. | 1 | $22.74 | |
| Paragon 28, Inc. | 1 | $18.37 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
255
Patients
186
Total drug cost
$1,559
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Gabapentin | Generic | 55 | 35 | $486 |
| Oxycodone Hcl | Generic | 40 | 28 | $181 |
| Naproxen | Generic | 37 | 29 | $269 |
| Ondansetron Hcl | Generic | 29 | 24 | $121 |
| Methylprednisolone | Generic | 28 | 25 | $172 |
| Meloxicam | Generic | 23 | 21 | $20 |
| Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) | Brand | 17 | 12 | $96 |
| Tramadol Hcl | Generic | 14 | 12 | $39 |
| Doxycycline Hyclate | Generic | 12 | 0 | $175 |
Hospital affiliations
Frequently asked questions
What is Dr. Gregory Walker's medical specialty?
Dr. Gregory Walker practices Orthopaedic Foot and Ankle Surgery Physician in Tucson, AZ.
Where does Dr. Gregory Walker practice?
Dr. Gregory Walker practices at 6130 N la Cholla Blvd Ste 135A, Tucson, AZ 857413557. Office phone: 5208811394.
What is Dr. Gregory Walker's NPI?
Dr. Gregory Walker's National Provider Identifier (NPI) is 1801250659, issued by NPPES.
Does Dr. Gregory Walker accept Medicare assignment?
Yes. Dr. Gregory Walker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Walker commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99204); Established patient office or other outpatient visit (HCPCS 99214); Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301). Source: CMS Medicare Physician & Other Practitioners file.