DR. MARK J MAHAN MD
NPI 1609863778
Radiology - Diagnostic Radiology in Orlando, FL

Active since October 04, 2005PECOS Enrolled
20 W KALEY ST, ORLANDO, FL 32806(407) 423-2581(407) 849-6470 Get Directions Write a Review

NPPES record last updated: February 26, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Dr. Mark J Mahan Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARK J MAHAN MD (NPI 1609863778) is an individual diagnostic radiology provider in Orlando, Florida, licensed in Florida (ME 57707) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Good Samaritan Regional Hlth Center, and is a graduate of Other (1985).

NPPES Registry Identity

NPI1609863778
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameDR. MARK J MAHANCredential: MD
Location Address20 W KALEY STOrlando, FL 32806-2931
Mailing Address20 W Kaley StOrlando, FL 32806-2931 · (407) 423-2581 · Fax (407) 849-6470
Fax(407) 849-6470
Sole ProprietorNo
Medical School CMSOtherGraduated 1985
Enumeration DateOctober 4, 2005
Last NPPES UpdateFebruary 26, 2026
NPPES CertifiedFebruary 26, 2026
NPI 1609863778 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
Licenses Licensed in FL · ME 57707 Licensed in IL · 036154985
Definition

A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

20 W KALEY ST, Orlando, FL 32806

Other Identifiers 1

Medicaid64454400FL

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Mark J Mahan Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID5597849315
PECOS Enrollment IDI20100128000377, I20180919001476, I20210222000632, I20210331002901, I20230925001708, I20231016002551, I20250113003538, I20251125002161
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 35

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

X-ray of chest, 1 view 71045
A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.
396 services334 patients
Ct scan head or brain without contrast 70450
A CT scan of the head or brain without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your brain, skull, and other structures inside your head. It helps to detect conditions like strokes, tumors, or injuries. No dye (contrast) is used in this test.
106 services105 patients
X-ray of chest, 2 views 71046
A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.
92 services92 patients
Ct scan of abdomen and pelvis with contrast 74177
A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.
80 services79 patients
Ct scan of abdomen and pelvis without contrast 74176
A CT scan of the abdomen and pelvis is a non-invasive medical test. It uses special X-ray equipment to create detailed images of your abdominal and pelvic areas. This helps doctors examine organs, tissues, and vessels. No contrast dye is used in this procedure.
58 services57 patients
X-ray of shoulder, minimum of 2 views 73030
An X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.
47 services43 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Good Samaritan Regional Hlth Center

Acute Care Hospitals · Mount Vernon, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140046
Location1 Good Samaritan WayMount Vernon, IL 62864 · Jefferson County
Emergency services Birthing friendly

Marshall Browning Hospital

Critical Access Hospitals · Du Quoin, IL
OwnershipVoluntary non-profit - Private
CMS Certification Number141331
Location900 North Washington StreetDu Quoin, IL 62832 · Perry County
Emergency services

Deaconess Medical Center

Acute Care Hospitals · Spokane, WA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number500044
LocationW 800 Fifth AvenueSpokane, WA 99210 · Spokane County
Emergency services Birthing friendly

Multicare Valley Hospital

Acute Care Hospitals · Spokane, WA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number500119
Location12606 East Mission AvenueSpokane, WA 99216 · Spokane County
Emergency services Birthing friendly

Capital Medical Center

Acute Care Hospitals · Olympia, WA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number500139
Location3900 Capital Mall Dr SWOlympia, WA 98502 · Thurston County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 32806 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$87.62 typical visit price
range $56.00 – $171.84
Typical copayment $21.90 (range $14.00 – $42.96)
Most-billed visit code 99203
Established Patient
$70.04 typical visit price
range $17.57 – $139.16
Typical copayment $17.51 (range $4.39 – $34.79)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 16

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Radiology (Diagnostic Radiology)
20 W KALEY ST
ORLANDO, FL 32806
Radiology (Diagnostic Radiology)
20 W KALEY ST
ORLANDO, FL 32806
Radiology (Diagnostic Radiology)
20 W KALEY ST
ORLANDO, FL 32806
Radiology (Diagnostic Radiology)
20 W KALEY ST
ORLANDO, FL 32806
Radiology (Diagnostic Radiology)
20 W KALEY ST
ORLANDO, FL 32806
Radiology (Diagnostic Radiology)
20 W KALEY ST
ORLANDO, FL 32806
Radiology (Diagnostic Radiology)
20 W KALEY ST
ORLANDO, FL 32806
Physician Assistant
20 W KALEY ST
ORLANDO, FL 32806

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Mahan's NPI number?

The NPI number for Mark Mahan is 1609863778. It was assigned to this individual provider in the NPPES registry on October 4, 2005.

Where is Mark Mahan located?

Mark Mahan practices at 20 W Kaley St, Orlando, FL 32806. The listed phone number is (407) 423-2581.

What is Mark Mahan's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Mark Mahan enrolled in Medicare?

Yes. Mark Mahan is registered in the Medicare PECOS enrollment system.

What insurance does Mark Mahan accept?

Health plans from Blue Care Network of Michigan, Blue Cross and Blue Shield of Texas, CareSource, CareSource (Common Ground Healthcare) and HMO Louisiana and 4 other insurers list Mark Mahan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Mark Mahan affiliated with any hospitals?

According to CMS data, Mark Mahan is affiliated with Good Samaritan Regional Hlth Center, Marshall Browning Hospital, Deaconess Medical Center, Multicare Valley Hospital and Capital Medical Center.

When was this NPI record last updated?

The NPPES record for Mark Mahan was last updated on February 26, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.