Dr. C. Mark Alder, MD
- Medicare services, 2024
- 4,724
- Medicare patients, 2024
- 1,783
- Hospital affiliations
- 5
- Industry payments
- $18
- Medical groups
- 8
- Practice address
- 525 South Cowley, Spokane, WA 99202
- 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 South Cowley Center
Mammography / Breast Imaging Center · Spokane, Washington
Find Dr. Alder's professional email, personal email and mobile number
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Dr. C. Mark Alder is a diagnostic radiologist in Spokane, Washington
Dr. Alder practices at Inland Imaging South Cowley Center in Spokane, Washington.
Dr. Alder's NPI, 1386631927, was assigned on September 29, 2005. Dr. Alder graduated from University of Kansas School of Med (KC/Wich/Sal) in 1995. Dr. Alder holds Washington license MD60971889.
- NPI
- 1386631927NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1254314222
- NPI enumeration date
- September 29, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (509) 455-4455
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. C. Mark Alder practices at Inland Imaging South Cowley Center in Spokane, Washington
Dr. Alder's primary practice is Inland Imaging South Cowley Center, at 525 South Cowley, Spokane, WA 99202. The practice phone is (509) 455-4455.
- Inland Imaging South Cowley Center525 South Cowley, Spokane, WA 99202Phone(509) 455-4455
Source: Dmand AI Affiliation Data
Dr. C. Mark Alder is affiliated with 11 sites of care and 8 medical groups
Dr. Alder's primary practice is Inland Imaging South Cowley Center in Spokane, Washington. Dr. Alder is also affiliated with Providence Mount Carmel Hospital. The medical group on file is Inland Imaging. Dmand AI also links Dr. Alder to 4 more hospitals, 7 medical groups, 4 group practices and clinics and 1 clinical lab, each named with a free account. Dr. Alder'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. C. Mark Alder's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Alder practices, 11 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Inland Imaging South Cowley Center | Available with a free account |
| +10 more sites and 7 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. C. Mark Alder is one of 819 diagnostic radiologists in Washington
Diagnostic radiology is Dr. Alder's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Alder is licensed in Washington.
Specialties and state licenses
- Diagnostic radiology, WashingtonPrimary
Diagnostic radiologists near Dr. Alder
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. C. Mark Alder billed Medicare for 4,724 services in 2024
CMS data shows 4,724 Medicare services from Dr. Alder across 19 procedure codes in 2024, for 1,783 Medicare patients. Medicare paid $194,434 for them.
Dr. Alder's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 3,2422024: 2,83213%
- Other services
- 2023: 1,9562024: 1,8525%
- Surgery
- 2023: 332024: 4021%
- Tests and treatments
- 2023: 152024: 0100%
Where Dr. Alder's Medicare services took place, 2024
- In an office3,81081%
- In a facility91419%
Dr. Alder compared with the Washington median for diagnostic radiologists, 2024
- Dr. Alder
- Washington median
- Medicare services
- 4,724vs 2,43394% above
- Medicare patients
- 1,783vs 1,48420% above
Medians across 799 diagnostic radiologists in Washington with Dmand AI profiles that report each measure.
Dr. Alder's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Alder and other diagnostic radiologists in Washington.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. C. Mark Alder treated 1,783 Medicare patients in 2024, average age 73
CMS counts 1,783 Medicare patients who saw Dr. Alder in 2024. The largest group is 65 to 74, with 934 patients. 63% of them have high cholesterol, and 58% have high blood pressure. 8% are also on Medicaid. Their average risk score is 0.89, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Alder's median patient age at 59, with 91% women.
Dr. Alder's Medicare patients by age, 2024
Dr. Alder's Medicare patients by sex, 2024
- Women1,65793%
- Men1267%
Chronic conditions among Dr. Alder's Medicare patients, 2024
- High cholesterol63%
- High blood pressure58%
- Arthritis45%
- Osteoporosis28%
- Mood disorders22%
- Depression20%
- Anxiety19%
- Cancer19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Alder's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women91%
- Men9%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. C. Mark Alder takes part in Medicare
Dr. Alder accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. C. Mark Alder received $18 in industry payments in 2024
CMS Open Payments shows 1 general payment to Dr. Alder from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Cook Medical LLC paid the most, $18.
Companies that paid Dr. Alder the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. C. Mark Alder graduated from University of Kansas School of Med (KC/Wich/Sal)
Dr. Alder graduated from University of Kansas School of Med (KC/Wich/Sal) in 1995.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. C. Mark Alder'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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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. C. Mark Alder
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What is Dr. C. Mark Alder's NPI number?
Dr. C. Mark Alder's NPI number is 1386631927. It was assigned on September 29, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. C. Mark Alder?
Dr. C. Mark Alder is a diagnostic radiologist in Spokane, Washington. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. C. Mark Alder practice?
Dr. Alder practices at 525 South Cowley, Spokane, WA 99202. Dr. Alder's primary practice is Inland Imaging South Cowley Center in Spokane, Washington. Dmand AI also links Dr. Alder to 4 hospitals, 7 medical groups, 4 group practices and clinics and 1 clinical lab.
What is Dr. C. Mark Alder's office phone number?
The practice phone on file for Dr. Alder is (509) 455-4455.
What is Dr. C. Mark Alder's medical license number?
Dr. Alder holds Washington license MD60971889.
Which hospitals is Dr. C. Mark Alder affiliated with?
Dr. Alder is affiliated with Providence Mount Carmel Hospital. Dmand AI links Dr. Alder to 4 more hospitals.
What medical group is Dr. C. Mark Alder part of?
Dr. Alder is linked to Inland Imaging. Dmand AI links Dr. Alder to 7 more medical groups.
Does Dr. C. Mark Alder accept Medicare?
Yes. CMS data shows Dr. Alder billed Medicare for 4,724 services in 2024, and Dr. Alder accepts Medicare assignment.
How many Medicare patients does Dr. C. Mark Alder see?
CMS counts 1,783 Medicare patients who saw Dr. Alder in 2024, with an average age of 73.
What services does Dr. C. Mark Alder bill to Medicare?
In 2024, Dr. Alder's most billed Medicare services were medical supplies or transport (A9585), radiation oncology (77067) and radiation oncology (77063).
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Where did Dr. C. Mark Alder go to medical school?
Dr. Alder graduated from University of Kansas School of Med (KC/Wich/Sal) in 1995.
Has Dr. C. Mark Alder received payments from drug or device companies?
CMS Open Payments shows $18 in general payments to Dr. Alder from 1 company from 2024 to 2024. The largest total came from Cook Medical LLC.
How long has Dr. C. Mark Alder been practicing?
Dr. Alder graduated from medical school in 1995, 31 years ago.
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