Dr. Mark Edward Howshar, MD
- Medicare services, 2024
- 20,621
- Medicare patients, 2024
- 4,287
- Hospital affiliations
- 5
- Industry payments
- $60
- Medical groups
- 29
- Practice address
- 677 N Wilmot Rd, Tucson, AZ 85711
- Practice phone
- Call (520) 795-2889
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Radiology Ltd.
Tucson, Arizona
Find Dr. Howshar'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. Mark Edward Howshar is a body imaging physician in Tucson, Arizona
Dr. Howshar practices at Radiology Ltd. in Tucson, Arizona.
Dr. Howshar's NPI, 1891710547, was assigned on July 13, 2006. Dr. Howshar graduated from University of Missouri, Kansas City, School of Medicine in 1993. Dr. Howshar holds Wyoming license 6390A.
- NPI
- 1891710547NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9133026248
- NPI enumeration date
- July 13, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (520) 795-2889
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark Edward Howshar practices at Radiology Ltd. in Tucson, Arizona
Dr. Howshar's primary practice is Radiology Ltd., at 677 N Wilmot Rd, Tucson, AZ 85711 in Pima County. The practice phone is (520) 795-2889.
- Radiology Ltd.677 N Wilmot Rd, Tucson, AZ 85711 · Pima CountyPhone(520) 795-2889
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Mark Edward Howshar is affiliated with 14 sites of care and 29 medical groups
Dr. Howshar's primary practice is Radiology Ltd. in Tucson, Arizona. Dr. Howshar is also affiliated with Tucson Medical Center. The medical group on file is Radiology Alliance. Dmand AI also links Dr. Howshar to 4 more hospitals, 28 medical groups, 7 group practices and clinics and 1 ambulatory surgery center, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Mark Edward Howshar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Howshar practices, 13 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Radiology Ltd. | Available with a free account |
| +13 more sites and 28 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark Edward Howshar is one of 14 body imaging physicians in Arizona
Body imaging is Dr. Howshar's primary specialty in the NPI Registry, under taxonomy code 2085B0100X. Dmand AI has Dr. Howshar's licenses on file in 6 states: Wyoming, Colorado, Mississippi, Nebraska, New Mexico and Ohio.
Specialties and state licenses
- Body imaging, WyomingPrimary
- Colorado license
- Mississippi license
- Nebraska license
- Diagnostic radiology, New Mexico
- Ohio license
Body imaging physicians near Dr. Howshar
Counts of body imaging physicians 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. Mark Edward Howshar billed Medicare for 20,621 services in 2024
CMS data shows 20,621 Medicare services from Dr. Howshar across 86 procedure codes in 2024, for 4,287 Medicare patients. Medicare paid $346,578 for them.
Dr. Howshar's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 16,8462024: 13,33721%
- Imaging
- 2023: 8,0862024: 6,96814%
- Tests and treatments
- 2023: 2182024: 2285%
- Surgery
- 2023: 1072024: 8818%
Where Dr. Howshar's Medicare services took place, 2024
- In an office16,03978%
- In a facility4,58222%
Dr. Howshar compared with the Arizona median for body imaging physicians, 2024
- Dr. Howshar
- Arizona median
- Medicare services
- 20,621vs 1,38914.8 times
- Medicare patients
- 4,287vs 9204.7 times
Medians across 14 body imaging physicians in Arizona with Dmand AI profiles that report each measure.
Dr. Howshar'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.
Need commercial claims for Dr. Howshar?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Howshar and other body imaging physicians in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark Edward Howshar treated 4,287 Medicare patients in 2024, average age 74
CMS counts 4,287 Medicare patients who saw Dr. Howshar in 2024. The largest group is 65 to 74, with 1,889 patients. 71% of them have high blood pressure, and 59% have high cholesterol. 12% are also on Medicaid. Their average risk score is 1.27, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Howshar's median patient age at 69, with 58% women.
Dr. Howshar's Medicare patients by age, 2024
Dr. Howshar's Medicare patients by sex, 2024
- Women2,61661%
- Men1,67139%
Chronic conditions among Dr. Howshar's Medicare patients, 2024
- High blood pressure71%
- High cholesterol59%
- Arthritis50%
- Diabetes28%
- Mood disorders26%
- Anxiety24%
- Depression24%
- Chronic kidney disease23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Howshar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women58%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Mark Edward Howshar takes part in Medicare
Dr. Howshar 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. Mark Edward Howshar received $60 in industry payments in 2024
CMS Open Payments shows 2 general payments to Dr. Howshar from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Progenics Pharmaceuticals, Inc. paid the most, $60.
Companies that paid Dr. Howshar 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. Mark Edward Howshar graduated from University of Missouri, Kansas City, School of Medicine
Dr. Howshar graduated from University of Missouri, Kansas City, School of Medicine in 1993.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark Edward Howshar'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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. Mark Edward Howshar
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. Mark Edward Howshar's NPI number?
Dr. Mark Edward Howshar's NPI number is 1891710547. It was assigned on July 13, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark Edward Howshar?
Dr. Mark Edward Howshar is a body imaging physician in Tucson, Arizona. The primary specialty in the NPI Registry is Body Imaging Physician (taxonomy code 2085B0100X).
Where does Dr. Mark Edward Howshar practice?
Dr. Howshar practices at 677 N Wilmot Rd, Tucson, AZ 85711. Dr. Howshar's primary practice is Radiology Ltd. in Tucson, Arizona. Dmand AI also links Dr. Howshar to 4 hospitals, 28 medical groups, 7 group practices and clinics and 1 ambulatory surgery center.
What is Dr. Mark Edward Howshar's office phone number?
The practice phone on file for Dr. Howshar is (520) 795-2889.
What is Dr. Mark Edward Howshar's medical license number?
Dr. Howshar holds Wyoming license 6390A, one of the licenses on file in 6 states.
Which states has Dr. Mark Edward Howshar been licensed in?
Dmand AI has state licenses on file for Dr. Howshar in Wyoming, Colorado, Mississippi, Nebraska, New Mexico and Ohio.
Which hospitals is Dr. Mark Edward Howshar affiliated with?
Dr. Howshar is affiliated with Tucson Medical Center. Dmand AI links Dr. Howshar to 4 more hospitals.
What medical group is Dr. Mark Edward Howshar part of?
Dr. Howshar is linked to Radiology Alliance. Dmand AI links Dr. Howshar to 28 more medical groups.
Does Dr. Mark Edward Howshar accept Medicare?
Yes. CMS data shows Dr. Howshar billed Medicare for 20,621 services in 2024, and Dr. Howshar accepts Medicare assignment.
How many Medicare patients does Dr. Mark Edward Howshar see?
CMS counts 4,287 Medicare patients who saw Dr. Howshar in 2024, with an average age of 74.
Show 4 more questionsShow fewer questions
What services does Dr. Mark Edward Howshar bill to Medicare?
In 2024, Dr. Howshar's most billed Medicare services were medicare temporary code (Q9967), medical supplies or transport (A9575) and diagnostic imaging (71045).
Where did Dr. Mark Edward Howshar go to medical school?
Dr. Howshar graduated from University of Missouri, Kansas City, School of Medicine in 1993.
Has Dr. Mark Edward Howshar received payments from drug or device companies?
CMS Open Payments shows $60 in general payments to Dr. Howshar from 1 company from 2024 to 2024. The largest total came from Progenics Pharmaceuticals, Inc.
How long has Dr. Mark Edward Howshar been practicing?
Dr. Howshar graduated from medical school in 1993, 33 years ago.
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