Doctor profile · Federal record
Dr. Aaron Canfield, DO
Internal Medicine Physician (CMS: Internal Medicine) · Spokane, WA
- NPI 1144674029
- Accepts Medicare
- 8 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
101 W 8Th Ave
Spokane, WA 992042307
(509) 474-3131
Credentials & registration
- NPI registered
- April 2016 — 10 yrs on file
- Profile last updated
- June 14, 2021
- Year of graduation
- 2018 — 8 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Washington #OP61136470
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1144674029. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
530
Distinct HCPCS
5
Medicare allowed
$55,503
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 307 | 132 | $117 | |
99239 |
Hospital discharge day management, more than 30 minutes | 107 | 105 | $113 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 64 | 39 | $78 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 29 | 16 | $49 | |
G0180 |
Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and | 23 | 23 | $52 |
In context: peer comparison
Among 80 peers in Spokane Internal Medicine Physician, average services per provider: 106. This provider delivers 5.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
88
Patients
70
Total drug cost
$6,828
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Furosemide | Generic | 19 | 18 | $56 |
| Potassium Chloride | Generic | 18 | 17 | $171 |
| Prednisone | Generic | 15 | 12 | $61 |
| Pantoprazole Sodium | Generic | 14 | 12 | $162 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 11 | 11 | $56 |
| Eliquis (Apixaban) | Brand | 11 | 0 | $6,322 |
Hospital affiliations
Frequently asked questions
What is Dr. Aaron Canfield's medical specialty?
Dr. Aaron Canfield practices Internal Medicine Physician in Spokane, WA.
Where does Dr. Aaron Canfield practice?
Dr. Aaron Canfield practices at 101 W 8Th Ave, Spokane, WA 992042307. Office phone: 5094743131.
What is Dr. Aaron Canfield's NPI?
Dr. Aaron Canfield's National Provider Identifier (NPI) is 1144674029, issued by NPPES.
Does Dr. Aaron Canfield accept Medicare assignment?
Yes. Dr. Aaron Canfield accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Aaron Canfield commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.