ERIC E WILLIAMSON M.D.
NPI 1881666022
Radiology - Diagnostic Radiology in Rochester, MN

Active since February 02, 2006PECOS EnrolledAccepts Medicare Assignment
200 1ST ST SW, ROCHESTER, MN 55905(507) 284-2511 Get Directions Write a Review

NPPES record last updated: March 4, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 4, 2025, Aug 21, 2020 (2 updates tracked since 2020).

About Eric E Williamson M.d. NPPES

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

ERIC E WILLIAMSON M.D. (NPI 1881666022) is an individual diagnostic radiology provider in Rochester, Minnesota, licensed in Minnesota (43264) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Mayo Clinic Hospital Rochester, and is a graduate of Other (1998).

NPPES Registry Identity

NPI1881666022
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameERIC E WILLIAMSONCredential: M.D.
Location Address200 1ST ST SWRochester, MN 55905-0001
Mailing AddressPo Box 860912, Provider Enrollment - RstMinneapolis, MN 55486-0912 · (507) 284-2511
Sole ProprietorNo
Medical School CMSOtherGraduated 1998
Enumeration DateFebruary 2, 2006
Last NPPES UpdateMarch 4, 20252 updates tracked since enumeration
NPPES CertifiedMarch 4, 2025
NPI 1881666022 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 MN · 43264 Licensed in WI · 61270
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
200 1ST ST SW, Rochester, MN 55905

Other Identifiers 1

Medicaid211999400MN

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

Eric E Williamson 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 ID9739179912
PECOS Enrollment IDI20040518000796
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 18

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.

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967
Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.
16,250 services119 patients
Ct scan of blood vessels and grafts of heart with contrast 75574
A CT scan of the heart's blood vessels and grafts with contrast is a diagnostic test. A special dye (contrast) is injected into your veins, which helps create clear images of your heart's vessels and grafts. This helps doctors detect blockages or other abnormalities.
58 services58 patients
Ct scan of blood vessels of abdomen and pelvis with contrast 74174
A CT scan of the abdomen and pelvis with contrast is a medical imaging procedure. A special dye, called contrast, is used to make blood vessels more visible. The scan produces detailed images of your abdomen and pelvis, helping doctors to diagnose conditions or plan treatments.
56 services55 patients
Ct scan of blood vessels and grafts of heart with contrast 75574
A CT scan of the heart's blood vessels and grafts with contrast is a diagnostic test. A special dye (contrast) is injected into your veins, which helps create clear images of your heart's vessels and grafts. This helps doctors detect blockages or other abnormalities.
55 services55 patients
Ct scan of blood vessels of chest with contrast 71275
A CT scan of the chest with contrast is a non-invasive imaging test. It uses X-rays and a special dye to get detailed images of your blood vessels in the chest. This helps in diagnosing conditions related to heart and lungs.
48 services48 patients
Ct scan of blood vessels of chest with contrast 71275
A CT scan of the chest with contrast is a non-invasive imaging test. It uses X-rays and a special dye to get detailed images of your blood vessels in the chest. This helps in diagnosing conditions related to heart and lungs.
45 services45 patients

Hospital Affiliations CMS Care Compare 2

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

Mayo Clinic Hospital Rochester

Acute Care Hospitals · Rochester, MN
5/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number240010
Location1216 Second Street SouthwestRochester, MN 55902 · Olmsted County
Emergency services Birthing friendly

Mayo Clinic Health System-Franciscan Medical Center Inc

Acute Care Hospitals · La Crosse, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520004
Location700 West Avenue SouthLa Crosse, WI 54601 · La Crosse County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 55905 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
$85.82 typical visit price
range $56.00 – $168.28
Typical copayment $21.45 (range $14.00 – $42.07)
Most-billed visit code 99203
Established Patient
$69.74 typical visit price
range $18.32 – $138.04
Typical copayment $17.43 (range $4.58 – $34.51)
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.

Internal Medicine
200 1ST ST SW
ROCHESTER, MN 55905
Pathology (Clinical Pathology/Laboratory Medicine)
200 1ST ST SW
ROCHESTER, MN 55905
Nurse Practitioner
200 1ST ST SW
ROCHESTER, MN 55905
Nurse Practitioner
200 1ST ST SW
ROCHESTER, MN 55905
Optometrist
200 1ST ST SW
ROCHESTER, MN 55905
Psychologist
200 1ST ST SW
ROCHESTER, MN 55905
Nurse Anesthetist, Certified Registered
200 1ST ST SW
ROCHESTER, MN 55905
Internal Medicine (Endocrinology, Diabetes & Metabolism)
200 1ST ST SW
ROCHESTER, MN 55905

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 Eric Williamson's NPI number?

The NPI number for Eric Williamson is 1881666022. It was assigned to this individual provider in the NPPES registry on February 2, 2006.

Where is Eric Williamson located?

Eric Williamson practices at 200 1st St SW, Rochester, MN 55905. The listed phone number is (507) 284-2511.

What is Eric Williamson's specialty?

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

Is Eric Williamson enrolled in Medicare?

Yes. Eric Williamson 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.

Is Eric Williamson affiliated with any hospitals?

According to CMS data, Eric Williamson is affiliated with Mayo Clinic Hospital Rochester and Mayo Clinic Health System-Franciscan Medical Center Inc.

When was this NPI record last updated?

The NPPES record for Eric Williamson was last updated on March 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.