Mark J Mahan, MD
Diagnostic Radiology · Nuclear Medicine (CMS) · Orlando, FL
At a glance
20 W Kaley St, Orlando, FL 32806-2931
NPPES record updated Feb 26, 2026. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
20 W Kaley StOrlando, FL 32806-2931
Education & affiliations
- Medical / professional school
- University Of Chicago, Pritzker School Of Medicine
- Graduation year
- 1985
- CMS specialties
- Diagnostic Radiology · Nuclear Medicine
Practice groups
- Empire State Radiology P C
- Good Samaritan Regional Health Center
- Imaging Associates Of Indiana Pc
- Imaging Associates Of Michigan Pllc
- Imaging Associates Of New Mexico Llc
- Multicare Health System
- Premier Radiology Wisconsin Llc
- Radiology Affiliates Of Central New Jersey Pc
- Radiology Alliance Pc
- Specialists In Medical Imaging Sc
- St Marys Hospital Centralia Illinois
Reported hospital affiliations
- Capital Medical Center Olympia, WA
- Deaconess Medical Center Spokane, WA
- Lovelace Medical Center Albuquerque, NM
- Multicare Valley Hospital Spokane Valley, WA
- Mymichigan Medical Center Saginaw Saginaw, MI
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Diagnostic Radiology · Nuclear Medicine (CMS)
- Taxonomy code
- 2085R0202X
- Enumeration date
- Oct 4, 2005
- Record updated
- Feb 26, 2026
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- MD
Reported taxonomies and licenses
2085R0202X · Primary
License reported: ME 57707 FL
2085R0202X
License reported: 036154985 IL
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
20 W Kaley StOrlando, FL 32806-2931
- Phone
- (407) 423-2581
- Fax
- (407) 849-6470
Mailing address
20 W KALEY STORLANDO, FL 328062931
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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