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DR. ROBERT SCOTT MAHAN M.D.
NPI 1932291309
Radiology - Diagnostic Radiology in Clackamas, OR

Active since September 29, 2006PECOS EnrolledAccepts Medicare Assignment
10180 SE SUNNYSIDE RD, CLACKAMAS, OR 97015(503) 904-3043 Get Directions Write a Review

NPPES record last updated: October 30, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Robert Scott Mahan M.d. NPPES

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

DR. ROBERT SCOTT MAHAN M.D. (NPI 1932291309) is an individual diagnostic radiology provider in Clackamas, Oregon, licensed in Oregon (MD20055) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with Kaiser Sunnyside Medical Center, and is a graduate of Vanderbilt University School Of Medicine (1987).

NPPES Registry Identity

NPI1932291309
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameDR. ROBERT SCOTT MAHANCredential: M.D.
Location Address10180 SE SUNNYSIDE RDClackamas, OR 97015-8970
Mailing Address500 Ne Multnomah St Ste 100Portland, OR 97232-2031 · (800) 813-2000 · Fax (855) 524-5255
Phone(503) 904-3043
Sole ProprietorNo
Medical School CMSVanderbilt University School Of MedicineGraduated 1987
Enumeration DateSeptember 29, 2006
Last NPPES UpdateOctober 30, 2025
NPPES CertifiedOctober 30, 2025
✔ NPI 1932291309 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 OR · MD20055✔ Licensed in WA · MD00038143✔ Licensed in IL · 036-079566✔ Licensed in FL · ME0059661
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
10180 SE SUNNYSIDE RD, Clackamas, OR 97015
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Robert Scott Mahan M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8325135908
PECOS Enrollment IDI20071029000606, I20091020000625
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

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.
17 services16 patients

Hospital Affiliations CMS Care Compare 2

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

Kaiser Sunnyside Medical Center

Acute Care Hospitals · Clackamas, OR
3/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number380091
Location10180 SE Sunnyside RoadClackamas, OR 97015 · Clackamas County
Emergency services Birthing friendly

Kaiser Foundation Hospital Westside

Acute Care Hospitals · Hillsboro, OR
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380103
Location2875 NW Stucki AveHillsboro, OR 97124 · Washington County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97015 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
$90.51 typical visit price
range $58.99 – $176.88
Typical copayment $22.62 (range $14.74 – $44.22)
Most-billed visit code 99203
Established Patient
$73.28 typical visit price
range $19.32 – $144.79
Typical copayment $18.32 (range $4.83 – $36.19)
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 20

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

DR. DANIEL FORREST LOTSPEICH MD
Internal Medicine
10180 SE SUNNYSIDE RD, KAISER PERMANENTE DEPARTMENT OF INTERNAL MEDICINE
CLACKAMAS, OR 97015
Clackamas County (503) 652-2880
MEGAN LEA KELLY
Emergency Medicine
10180 SE SUNNYSIDE RD, KAISER SUNNYSIDE MEDICAL CENTER
CLACKAMAS, OR 97015
Clackamas County (503) 652-2880
JARROD L LARSON M.D.
Anesthesiology
10180 SE SUNNYSIDE RD
CLACKAMAS, OR 97015
Clackamas County (800) 813-2000
JESSICA DAWN SEXTON-DORSETT
Nurse Anesthetist, Certified Registered
10180 SE SUNNYSIDE RD
CLACKAMAS, OR 97015
Clackamas County (503) 813-2000
MR. DANE JAMES SLAGLE CRNA
Nurse Anesthetist, Certified Registered
10180 SE SUNNYSIDE RD
CLACKAMAS, OR 97015
Clackamas County (503) 571-4506
RACHAEL SCOONES
Nurse Anesthetist, Certified Registered
10180 SE SUNNYSIDE RD
CLACKAMAS, OR 97015
Clackamas County (800) 813-2000
ERIK WILLIAM FOSS MD
Radiology (Diagnostic Radiology)
10180 SE SUNNYSIDE RD
CLACKAMAS, OR 97015
Clackamas County (503) 813-2000
DR. CARA LEE ROZELL D.O.
Psychiatry & Neurology (Neurology)
10180 SE SUNNYSIDE RD, DEPT OF NEUROLOGY, CLINIC C
CLACKAMAS, OR 97015
Clackamas County (503) 571-7200

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 Robert Mahan's NPI number?

The NPI number for Robert Mahan is 1932291309. It was assigned to this individual provider in the NPPES registry on September 29, 2006.

Where is Robert Mahan located?

Robert Mahan practices at 10180 SE Sunnyside Rd, Clackamas, OR 97015. The listed phone number is (503) 904-3043.

What is Robert Mahan's specialty?

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

Is Robert Mahan enrolled in Medicare?

Yes. Robert Mahan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Robert Mahan accept?

Health plans from Blue Cross and Blue Shield of Texas list Robert 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 Robert Mahan affiliated with any hospitals?

According to CMS data, Robert Mahan is affiliated with Kaiser Sunnyside Medical Center and Kaiser Foundation Hospital Westside.

When was this NPI record last updated?

The NPPES record for Robert Mahan was last updated on October 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.