Dr. Michael Austin Stewart, MD
- Medicare services, 2023
- 1,152
- Industry payments
- $53
- Affiliated sites
- 3
- Medical group
- 1
- State license
- 1
- Practice address
- 12420 E Mission Rd, Spokane, WA 99216
- Practice phone
- Call (509) 455-4455
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Inland Imaging Spokane Valley Center
Mammography / Breast Imaging Center · Spokane, Washington
Find Dr. Stewart's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Michael Austin Stewart is a diagnostic radiologist in Spokane Valley, Washington
Dr. Stewart practices at Inland Imaging Spokane Valley Center in Spokane, Washington.
Dr. Stewart's NPI, 1225066459, was assigned on June 28, 2006. Dr. Stewart graduated from University of New Mexico School of Medicine in 1988. Dr. Stewart holds Montana license 7056.
- NPI
- 1225066459NPI Registry (opens in a new tab)
- NPI enumeration date
- June 28, 2006
- NPI status
- Active
- Practice phone
- (509) 455-4455
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Michael Austin Stewart practices at Inland Imaging Spokane Valley Center in Spokane, Washington
Dr. Stewart's primary practice is Inland Imaging Spokane Valley Center, at 12420 E Mission Rd, Spokane, WA 99216. The practice phone is (509) 455-4455.
- Inland Imaging Spokane Valley Center12420 E Mission Rd, Spokane, WA 99216Phone(509) 455-4455
Source: Dmand AI Affiliation Data
Dr. Michael Austin Stewart is affiliated with 3 sites of care and 1 medical group
Dr. Stewart's primary practice is Inland Imaging Spokane Valley Center in Spokane, Washington. The medical group on file is Inland Imaging. Dmand AI also links Dr. Stewart to 1 more clinical lab and 1 group practice or clinic, each named with a free account. Dr. Stewart's employer is on file too: a breast imaging center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Michael Austin Stewart's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Stewart practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Inland Imaging Spokane Valley Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael Austin Stewart is one of 819 diagnostic radiologists in Washington
Diagnostic radiology is Dr. Stewart's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Stewart is licensed in Montana.
Specialties and state licenses
- Diagnostic radiology, MontanaPrimary
Diagnostic radiologists near Dr. Stewart
Counts of diagnostic radiologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Michael Austin Stewart billed Medicare for 1,152 services in 2023
CMS data shows 1,152 Medicare services from Dr. Stewart across 7 procedure codes in 2023. Medicare paid $48,962 for them.
Dr. Stewart's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Imaging
- 2022: 2,0902023: 1,11147%
- Other services
- 2022: 872023: 4153%
- Surgery
- 2022: 202023: 0100%
Where Dr. Stewart's Medicare services took place, 2023
- In an office27124%
- In a facility88176%
Dr. Stewart compared with the Washington median for diagnostic radiologists, 2023
- Dr. Stewart
- Washington median
- Medicare services
- 1,152vs 2,43353% below
Medians across 799 diagnostic radiologists in Washington with Dmand AI profiles that report each measure.
Dr. Stewart's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Stewart?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Stewart and other diagnostic radiologists in Washington.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael Austin Stewart's patients have a median age of 67
Across all payers, Dmand AI patient panel data puts Dr. Stewart's median patient age at 67, with 0% women.
Dr. Stewart's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
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Dr. Michael Austin Stewart received $53 in industry payments in 2019
CMS Open Payments shows 1 general payment to Dr. Stewart from 1 drug or device company in 2019. Food and beverage make up the largest share, 100% of the total. Cook Medical LLC paid the most, $53.
Companies that paid Dr. Stewart the most, 2019 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michael Austin Stewart graduated from University of New Mexico School of Medicine
Dr. Stewart graduated from University of New Mexico School of Medicine in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Michael Austin Stewart's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Michael Austin Stewart
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Michael Austin Stewart's NPI number?
Dr. Michael Austin Stewart's NPI number is 1225066459. It was assigned on June 28, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael Austin Stewart?
Dr. Michael Austin Stewart is a diagnostic radiologist in Spokane Valley, Washington. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Michael Austin Stewart practice?
Dr. Stewart practices at 12420 E Mission Rd, Spokane, WA 99216. Dr. Stewart's primary practice is Inland Imaging Spokane Valley Center in Spokane, Washington. Dmand AI also links Dr. Stewart to 1 clinical lab and 1 group practice or clinic.
What is Dr. Michael Austin Stewart's office phone number?
The practice phone on file for Dr. Stewart is (509) 455-4455.
What is Dr. Michael Austin Stewart's medical license number?
Dr. Stewart holds Montana license 7056.
What medical group is Dr. Michael Austin Stewart part of?
Dr. Stewart is linked to Inland Imaging.
Does Dr. Michael Austin Stewart accept Medicare?
Yes. CMS data shows Dr. Stewart billed Medicare for 1,152 services in 2023.
What services does Dr. Michael Austin Stewart bill to Medicare?
In 2023, Dr. Stewart's most billed Medicare services were radiation oncology (77067), radiation oncology (77063) and ultrasound (76642).
Where did Dr. Michael Austin Stewart go to medical school?
Dr. Stewart graduated from University of New Mexico School of Medicine in 1988.
Has Dr. Michael Austin Stewart received payments from drug or device companies?
CMS Open Payments shows $53 in general payments to Dr. Stewart from 1 company from 2019 to 2019. The largest total came from Cook Medical LLC.
How long has Dr. Michael Austin Stewart been practicing?
Dr. Stewart graduated from medical school in 1988, 38 years ago.
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