DR. SEAN E THEISEN M.D.
NPI 1508805243
Radiology - Diagnostic Radiology in Ypsilanti, MI

Q: What is Sean Theisen's NPI number?

The NPI number for Sean Theisen is 1508805243. It was assigned to this individual provider in the NPPES registry on June 6, 2006.

Q: What is Sean Theisen's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Sean Theisen was last updated on August 30, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years 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.

Active since June 06, 2006PECOS EnrolledAccepts Medicare Assignment

5333 MCAULEY DR, SUITE 6016, YPSILANTI, MI 48197(734) 712-8350(734) 712-8351 Get Directions Write a Review

NPPES record last updated: August 30, 2013. Verified against the NPPES registry weekly; last sync: November 01, 2026.

On this page

About Dr. Sean E Theisen M.d. NPPES

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

DR. SEAN E THEISEN M.D. (NPI 1508805243) is an individual diagnostic radiology provider in Ypsilanti, Michigan, licensed in Michigan (4301067468) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Ascension Ne Wisconsin - St Elizabeth Campus, and is a graduate of Northwestern University Feinberg Medical School (1996).

NPPES Registry Identity

NPI1508805243

Entity TypeIndividualMale

Primary Taxonomy2085R0202X

Provider Legal NameDR. SEAN E THEISENCredential: M.D.

Location Address5333 MCAULEY DR, SUITE 6016Ypsilanti, MI 48197-1014

Mailing Address5333 Mcauley Dr, Suite 6016Ypsilanti, MI 48197-1014 · (734) 712-8350 · Fax (734) 712-8351

Phone(734) 712-8350

Fax(734) 712-8351

Sole ProprietorNo

Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 1996

Enumeration DateJune 6, 2006

Last NPPES UpdateAugust 30, 2013

✔ NPI 1508805243 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0202X

License✔ Licensed in MI · 4301067468

Definition

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

5333 MCAULEY DR, Ypsilanti, MI 48197

Open in Google Maps ↗

Other Identifiers 3

Medicare ID-Type UnspecifiedOH16003051MI

Medicare UPINH50489MI

Medicaid4692578MI

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Sean E Theisen 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 ID7810949096

PECOS Enrollment IDI20050216000162, I20260514000732

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.

Medicare Billing Reassignments

Medicare enrollment records show Sean Theisen reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Huron Valley Radiology PC

Same address

Diagnostic Radiology

5333 MCAULEY DR, SUITE 6016
Ypsilanti, MI 48197

Reassigned Medicare billing, Michigan enrollment
85 clinicians in this Medicare group

NPI 1659398519 (734) 712-8350

X-Ray Consultants Inc

139 mi

Diagnostic Radiology

121 S SAINT LOUIS BLVD
South Bend, IN 46617

Reassigned Medicare billing, Michigan enrollment
73 clinicians in this Medicare group

NPI 1770536815 (574) 233-3123

Orthopedic & Sports Medicine Specialists Of Green Bay, Sc

266 mi

Specialist

2223 LIME KILN RD, SUITE 1
Green Bay, WI 54311

Reassigned Medicare billing, Wisconsin enrollment
65 clinicians in this Medicare group

NPI 1760670145 (920) 430-8120

Radiology Associates Of The Fox Valley, Sc

277 mi

Diagnostic Radiology

333 N COMMERCIAL ST
Neenah, WI 54956

Reassigned Medicare billing, Michigan enrollment
6 clinicians in this Medicare group

NPI 1477539443 (920) 722-1583

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 38

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.

Screening mammography 77067

Screening mammography is a preventative measure that uses low-dose X-rays to take images of the chest area. It's a key tool in early detection of abnormalities, helping to identify issues before they become symptomatic. It is recommended annually for certain age groups.

282 services282 patients

Screening 3d breast mammography 77063

Screening 3D breast mammography is a procedure that uses low-dose X-rays to create detailed images of the breast. This allows for early detection of any unusual changes or growths. It's a non-invasive, outpatient procedure that typically takes about 30 minutes.

280 services280 patients

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.

208 services192 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.

107 services105 patients

Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) G0279

Diagnostic digital breast tomosynthesis is a 3D imaging test that allows doctors to examine your breast tissue layer by layer. It's performed on one or both sides. It helps in detecting abnormalities more accurately. It's often done in addition to other tests.

106 services106 patients

Mri scan of leg joint without contrast 73721

An MRI scan of your leg joint is a non-invasive procedure that uses magnetic fields and radio waves to create detailed images of the structures within your leg. This helps doctors diagnose or monitor conditions without using contrast dye.

93 services89 patients

Ct scan of leg without contrast 73700

A CT scan of the leg is a non-invasive imaging test that uses X-rays to capture detailed images of your leg's bones, muscles, and blood vessels. It doesn't use contrast dye and doesn't cause any pain. It helps in diagnosing injuries or diseases.

88 services81 patients

Screening 3d breast mammography 77063

85 services85 patients

Screening mammography 77067

85 services85 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.

71 services70 patients

Diagnostic mammography of 1 breast 77065

Diagnostic mammography of 1 breast is a detailed imaging test that allows doctors to closely examine a specific area in the breast. It's often used when a routine screening reveals an abnormality. This test can help identify any unusual changes or issues.

67 services65 patients

Limited ultrasound scan of 1 breast 76642

A limited ultrasound scan of one breast is a non-invasive imaging test. It uses sound waves to create pictures of the inside of your breast. It helps identify any unusual growths or changes. It's safe, quick, and typically painless.

63 services63 patients

Ct scan of chest with contrast 71260

A CT scan of the chest with contrast is an imaging procedure. A special dye (contrast) is used to highlight specific areas in your body, providing clearer pictures of your chest. This helps in diagnosing conditions related to your lungs, heart, and other chest structures.

57 services56 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.

57 services57 patients

Mri scan of arm joint without contrast 73221

An MRI scan of the arm joint is a non-invasive imaging procedure that uses magnetic fields and radio waves to create detailed images of the structures within your arm joint. No contrast dye is used in this process. It helps to diagnose or monitor conditions like arthritis, injuries, or infections.

57 services56 patients

X-ray of abdomen, 1 view 74018

An X-ray of the abdomen, 1 view, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the structures in your abdomen, such as the stomach, liver, and intestines. This can help identify issues like blockages, infections, or injuries.

57 services51 patients

Limited ultrasound scan of joint or other extremity structure except blood vessels 76882

A limited ultrasound scan of a joint or other extremity structure lacking blood vessels is a non-invasive procedure that uses sound waves to create images of the inside of your body. This helps in diagnosing and monitoring conditions related to your joints or other similar structures.

55 services53 patients

Ct scan of chest without contrast 71250

A CT scan of the chest without contrast is a non-invasive imaging procedure. It uses special X-ray equipment to produce detailed images of your chest area, including your lungs and heart. It can help diagnose conditions such as lung diseases or heart disorders. It doesn't involve any dyes or contrast agents.

47 services47 patients

Diagnostic mammography of both breasts 77066

Diagnostic mammography involves using special imaging technology to capture detailed images of both breasts. This procedure helps in identifying any unusual changes or abnormalities. It's a crucial step in ensuring breast health and early detection of potential issues.

47 services47 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.

30 services29 patients

Ct scan of arm without contrast 73200

A CT scan of the arm without contrast is a non-invasive imaging test. It uses X-ray technology to capture detailed images of your arm's structures. It doesn't involve any contrasting dye, hence, minimal preparation is required. It helps in diagnosing injuries or conditions affecting the arm.

28 services28 patients

X-ray of foot, minimum of 3 views 73630

An X-ray of the foot, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones and tissues in your foot. This helps to identify fractures, infections, or other abnormalities. Multiple views ensure a comprehensive examination.

28 services23 patients

Ct scan of pelvis without contrast 72192

A CT scan of the pelvis without contrast is a non-invasive imaging test. It uses X-rays to create detailed pictures of your lower abdomen area. It helps in detecting issues like injuries, inflammation, or abnormal growths. It doesn't involve any dye injection.

24 services24 patients

X-ray of hip, 2-3 views 73502

An X-ray of the hip with 2-3 views is a non-invasive imaging test. It uses a small amount of radiation to produce pictures of the hip joint. These images help in diagnosing conditions like fractures, arthritis, or other abnormalities. The process is quick and painless.

18 services18 patients

Limited ultrasound scan of abdomen 76705

A limited ultrasound scan of the abdomen is a non-invasive imaging test. It uses sound waves to produce images of the abdominal organs such as the liver, gallbladder, spleen, pancreas, and kidneys. This helps to identify any abnormalities or issues.

18 services18 patients

Complete ultrasound scan behind abdominal cavity 76770

A complete ultrasound scan behind the abdominal cavity is a non-invasive imaging procedure. It uses sound waves to create pictures of the structures and organs located at the back of your abdomen. It helps in diagnosing health conditions and monitoring ongoing treatments.

18 services18 patients

Ultrasound of both sides of head and neck blood flow 93880

An ultrasound of the head and neck blood flow is a safe, non-invasive procedure that uses sound waves to create images of blood vessels. It helps detect abnormalities like blockages or clots, ensuring optimal blood flow.

18 services18 patients

Mri scan of leg without contrast 73718

An MRI scan of the leg without contrast is a non-invasive imaging procedure. It uses a magnetic field and radio waves to create detailed images of the structures in your leg, such as bones, muscles, and blood vessels. No contrast dye is used.

17 services15 patients

Mri scan of leg before and after contrast 73720

An MRI scan of the leg involves using a magnetic field and radio waves to create detailed images of the structures within your leg. Initially, images are taken without a contrast agent. Then, a contrast agent is injected into your body to enhance the images, highlighting certain areas for closer examination.

17 services16 patients

Ct scan of leg with contrast material 73701

A CT scan of the leg with contrast material is an imaging procedure. A special dye, the contrast material, is used to highlight certain areas, making them easier to see. This scan helps to detect issues like fractures, infections, or tumors in the leg.

16 services15 patients

Ultrasound study of one arm or leg veins with compression and maneuvers 93971

This is a non-invasive procedure using sound waves to visualize veins in an arm or leg. It involves applying gentle pressure and performing certain movements. It helps identify any abnormal blood flow or clots, ensuring vascular health.

16 services16 patients

Mri scan of leg joint without contrast 73721

15 services13 patients

Mri scan of arm without contrast 73218

An MRI scan of the arm without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed pictures of the structures within your arm. This procedure helps in diagnosing injuries or diseases affecting muscles, bones, and joints.

14 services11 patients

X-ray of knee, 3 views 73562

An X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.

14 services12 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.

14 services14 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.

13 services12 patients

X-ray of ankle, minimum of 3 views 73610

An ankle X-ray is a quick, painless imaging test. It involves capturing at least three different images or 'views' of your ankle using small amounts of radiation. These images help identify any abnormalities or injuries, such as fractures or arthritis.

13 services13 patients

Ct scan of abdomen and pelvis before and after contrast 74178

A CT scan of your abdomen and pelvis with and without contrast helps visualize your internal organs better. Contrast is a special dye that improves the clarity of the images. It's taken orally or injected into your veins before the scan. The process is painless and quick.

11 services11 patients

Hospital Affiliations CMS Care Compare 5

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

Ascension NE Wisconsin - St Elizabeth Campus

Acute Care Hospitals · Appleton, WI

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520009

Location1506 S Oneida StAppleton, WI 54915 · Outagamie County

Emergency services Birthing friendly

Thedacare Regional Med Ctr - Neenah

Acute Care Hospitals · Neenah, WI

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520045

Location130 2nd StNeenah, WI 54956 · Winnebago County

Emergency services Birthing friendly

St. Agnes Hospital Hospice

Acute Care Hospitals · Fond Du Lac, WI

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520088

Location430 E Division StFond Du Lac, WI 54935 · Fond Du Lac County

Emergency services Birthing friendly

Thedacare Regional Medical Center - Appleton Inc

Acute Care Hospitals · Appleton, WI

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520160

Location1818 N Meade StAppleton, WI 54911 · Outagamie County

Emergency services Birthing friendly

Southwest Health Center

Critical Access Hospitals · Platteville, WI

OwnershipVoluntary non-profit - Private

CMS Certification Number521354

Location1400 East Side RdPlatteville, WI 53818 · Grant County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48197 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

$90.76 typical visit price

range $58.04 – $177.36

Typical copayment $22.69 (range $14.51 – $44.34)

Most-billed visit code 99203

Established Patient

$72.38 typical visit price

range $18.32 – $143.49

Typical copayment $18.09 (range $4.58 – $35.87)

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.

ARDEN BASLER RN

Registered Nurse (Women's Health Care, Ambulatory)

5333 MCAULEY DR, RHB 2110
YPSILANTI, MI 48197

Washtenaw County (734) 712-3126

MORGAN MURDOCK CNP

Internal Medicine (Addiction Medicine)

5333 MCAULEY DR, SUITE 3111
YPSILANTI, MI 48197

Washtenaw County (734) 712-8676

DR. VISHAL BHAGAT M.D.

Radiology (Vascular & Interventional Radiology)

5333 MCAULEY DR, SUITE 6016
YPSILANTI, MI 48197

Washtenaw County (734) 712-8350

ST JOSEPH MERCY HOSPITAL

Internal Medicine

5333 MCAULEY DR, SUITE 4001
YPSILANTI, MI 48197

Washtenaw County (734) 712-3980

DR. GIL S. BORLAZA M.D.

Radiology (Diagnostic Radiology)

5333 MCAULEY DR, SUITE 6016
YPSILANTI, MI 48197

Washtenaw County (734) 712-8350

MS. MICHELLE SCHNAPER OKUN MS, APRN, BC

Nurse Practitioner (Adult Health)

5333 MCAULEY DR, SUITE 4106
YPSILANTI, MI 48197

Washtenaw County (734) 712-5637

THERON LEROY DOBSON M.D.

Psychiatry & Neurology (Neurology)

5333 MCAULEY DR, STE 6109
YPSILANTI, MI 48197

Washtenaw County (734) 712-1400

ELI PEARSON TIDWELL

Student in an Organized Health Care Education/Training Program

5333 MCAULEY DR
YPSILANTI, MI 48197

Washtenaw County (734) 712-3980

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 Sean Theisen's NPI number?

The NPI number for Sean Theisen is 1508805243. It was assigned to this individual provider in the NPPES registry on June 6, 2006.

Where is Sean Theisen located?

Sean Theisen practices at 5333 Mcauley Dr Suite 6016, Ypsilanti, MI 48197. The listed phone number is (734) 712-8350.

What is Sean Theisen's specialty?

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

Is Sean Theisen enrolled in Medicare?

Yes. Sean Theisen 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.

Which organizations bill Medicare for Sean Theisen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sean Theisen reassigns Medicare benefits to 4 organizations: Huron Valley Radiology PC (Ypsilanti, MI), X-Ray Consultants Inc (South Bend, IN), Orthopedic & Sports Medicine Specialists Of Green Bay, Sc (Green Bay, WI) and Radiology Associates Of The Fox Valley, Sc (Neenah, WI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Sean Theisen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Sean Theisen affiliated with any hospitals?

According to CMS data, Sean Theisen is affiliated with Ascension NE Wisconsin - St Elizabeth Campus, Thedacare Regional Med Ctr - Neenah, St. Agnes Hospital Hospice, Thedacare Regional Medical Center - Appleton Inc and Southwest Health Center.

When was this NPI record last updated?

The NPPES record for Sean Theisen was last updated on August 30, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years 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.