ROBERT KNUDSON MD
NPI 1235170069
Radiology - Diagnostic Radiology in Springfield, IL

Q: What is the provider's specialty?

The provider's specialty is Radiology with taxonomy code 2085R0202X and a focus in Diagnostic Radiology.

Active since June 10, 2006PECOS EnrolledAccepts Medicare Assignment

75/100

CMS Quality Rating

1025 S 6TH ST, SPRINGFIELD, IL 62703(217) 528-7541 Get Directions Write a Review

NPPES record last updated: August 22, 2022. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Aug 22, 2022, Nov 19, 2020 (2 updates tracked since 2020).

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About Robert Knudson Md NPPES

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

ROBERT KNUDSON MD (NPI 1235170069) is an individual diagnostic radiology provider in Springfield, Illinois, licensed in Illinois (036109217) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Decatur Memorial Hospital, and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (1998).

NPPES Registry Identity

NPI1235170069

Entity TypeIndividualMale

Primary Taxonomy2085R0202X

Provider Legal NameROBERT KNUDSONCredential: MD

Location Address1025 S 6TH STSpringfield, IL 62703-2499

Mailing AddressPo Box 19248Springfield, IL 62794-9248 · (217) 528-7541

Phone(217) 528-7541

Sole ProprietorNo

Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 1998

Enumeration DateJune 10, 2006

Last NPPES UpdateAugust 22, 20222 updates tracked since enumeration

NPPES CertifiedAugust 22, 2022

✔ NPI 1235170069 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 IL · 036109217

Definition

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

1025 S 6TH ST, Springfield, IL 62703

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Other Identifiers 1

Medicaid036109217IL

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

Robert Knudson Md 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 ID1153318555

PECOS Enrollment IDI20040428000383

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 48

Services this provider delivered to Medicare fee-for-service patients, from the 2024 & 2026 CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Piflufolastat f-18, diagnostic, 1 millicurie A9595

Piflufolastat F-18 is a radioactive diagnostic agent used in PET scans. It helps visualize certain cells in your body, aiding doctors in diagnosing specific conditions. This service involves injecting 1 millicurie of the agent into your body.

576 services63 patients

Nuclear medicine study from skull base to mid-thigh with ct scan 78815

A nuclear medicine study from skull base to mid-thigh with a CT scan involves using a small amount of radioactive material and CT imaging to examine body tissues and organs. This helps detect any abnormalities by providing detailed images of the body's internal structure.

309 services293 patients

Fluorodeoxyglucose f-18 fdg, diagnostic, per study dose, up to 45 millicuries A9552

Fluorodeoxyglucose F-18 FDG is a radioactive drug used in PET scans. It helps doctors see how your tissues and organs are functioning. The drug is given in a specific dose, up to 45 millicuries, depending on your body size and the type of scan.

258 services242 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.

227 services215 patients

Nuclear medicine study from skull base to mid-thigh with ct scan 78815

109 services108 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.

102 services101 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.

82 services81 patients

X-ray of chest, 2 views 71046

60 services60 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.

57 services57 patients

Nuclear medicine studies of heart muscle at rest and with stress and spect 78452

Nuclear medicine studies of the heart involve two parts: rest and stress. During rest, images are taken of your heart at ease. During stress, images are taken after exercise or medication-induced stress. SPECT is a special imaging technique providing 3D pictures of your heart, helping identify any issues.

53 services53 patients

Technetium tc-99m medronate, diagnostic, per study dose, up to 30 millicuries A9503

Technetium Tc-99m Medronate is a diagnostic procedure that uses a small amount of radioactive material to examine the health of your bones. It helps to detect bone diseases or abnormalities. The procedure is safe, with the radioactive substance naturally leaving your body after the test.

43 services37 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.

41 services41 patients

Nuclear medicine study of bone and/or joint whole body 78306

A nuclear medicine study of bone and/or joint whole body involves injecting a small amount of radioactive material into your body. This material travels to your bones and emits energy. A special camera captures this energy, creating images of your bones to help identify any abnormalities.

39 services33 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.

38 services36 patients

Nuclear medicine study of bone and/or joint whole body 78306

36 services30 patients

Nuclear medicine study of lung ventilation and circulation 78582

A nuclear medicine lung ventilation and circulation study uses a safe radioactive material to create images of air and blood flow in your lungs. It helps identify issues like blood clots or lung diseases. You inhale or receive an injection of this material, and a special camera captures the images.

34 services33 patients

Ct scan of upper spine without contrast 72125

A CT scan of the upper spine without contrast is a non-invasive imaging test that uses X-rays to capture detailed images of your neck and upper back. It helps in identifying issues like fractures, tumors, or infections. No dye (contrast) is used in this scan.

29 services29 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.

27 services27 patients

Nuclear medicine study of parathyroid with spect and ct scan 78072

A nuclear medicine study of the parathyroid with SPECT and CT scan is a diagnostic procedure. It uses a safe radioactive substance and imaging techniques to create detailed pictures of your parathyroid glands. These images help identify any abnormalities or diseases.

26 services26 patients

Technetium tc-99m sestamibi, diagnostic, per study dose A9500

Technetium Tc-99m Sestamibi is a diagnostic test used to create images of your heart or breast tissues. It involves a safe radioactive substance injection that helps doctors to detect any abnormalities or changes in these tissues.

26 services26 patients

Nuclear medicine study, spect imaging, 1 area or single acquisition, single day imaging 78803

A nuclear medicine study with SPECT involves a safe, small amount of radioactive substance to help visualize body organs. SPECT, or Single Photon Emission Computed Tomography, creates detailed 3D images. This helps doctors diagnose and monitor conditions in a specific body area.

25 services25 patients

Iodine 1-123 ioflupane, diagnostic, per study dose, up to 5 millicuries A9584

Iodine 1-123 Ioflupane is a diagnostic procedure where a small radioactive substance is introduced into your body. It helps to create clear images of your brain, specifically to study the functioning of your brain's nerve cells.

24 services24 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.

22 services22 patients

Technetium tc-99m sulfur colloid, diagnostic, per study dose, up to 20 millicuries A9541

Technetium Tc-99m sulfur colloid is used in diagnostic imaging tests. It helps to highlight areas of concern in the body by emitting a small amount of radiation that can be detected by a special camera. This helps doctors to diagnose and monitor various health conditions.

21 services21 patients

Nuclear medicine study of kidney, blood, flow, and function with drug administration 78708

This procedure helps analyze kidney function using a safe radioactive substance and special imaging. The substance is administered through an injection and travels to your kidneys. Images are then taken to assess blood flow and overall kidney function.

20 services19 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.

19 services16 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.

18 services18 patients

Technetium tc-99m mertiatide, diagnostic, per study dose, up to 15 millicuries A9562

Technetium Tc-99m Mertiatide is a radiopharmaceutical diagnostic test. It involves the injection of a small dose of radioactive material to create images of your kidneys. This helps doctors evaluate kidney function and detect any abnormalities.

18 services17 patients

Nuclear medicine study of lymphatic system 78195

A nuclear medicine study of the lymphatic system involves injecting a safe, radioactive substance into your body. This substance travels through your lymphatic system and helps create images on a special camera. These images can help doctors diagnose conditions related to your immune system.

17 services17 patients

Nuclear medicine study of liver and bile duct system 78226

A nuclear medicine study of the liver and bile duct system involves the use of a small amount of radioactive material to create detailed images. This helps doctors examine the liver's function and structure, and detect any abnormalities in the bile ducts.

17 services17 patients

Nuclear medicine study of kidney, blood, flow, and function with drug administration 78708

17 services16 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.

16 services16 patients

Technetium tc-99m tilmanocept, diagnostic, up to 0.5 millicuries A9520

Technetium Tc-99m Tilmanocept is a radioactive diagnostic agent used for imaging and lymph node mapping in the body. It helps doctors locate lymph nodes that may be affected by disease, aiding in effective treatment planning.

16 services16 patients

X-ray of knee, 1-2 views 73560

An X-ray of the knee with 1-2 views is a quick, painless test that produces images of the knee bones. It helps identify fractures, infections, or changes in the knee joint. During the procedure, you'll be asked to stay still while the X-ray machine captures the images.

15 services14 patients

Imaging for evaluation of swallowing function 74230

This process, known as a swallowing study, uses imaging technology to view how food and liquid move from your mouth to your stomach. It helps identify any issues you may have swallowing, which can be crucial for determining the best treatment plan.

15 services15 patients

Nuclear medicine study of stomach to assess emptying 78264

A nuclear medicine study of the stomach assesses how quickly food leaves the stomach. A safe, radioactive substance is added to a meal. The radiation emitted is tracked, creating images that show the food's progress through the stomach. It's non-invasive and painless.

15 services15 patients

Nuclear medicine study limited area with ct scan 78814

A nuclear medicine study with a limited area CT scan is a diagnostic procedure. A small amount of radioactive substance is injected into your body, which helps create detailed images of a specific area. The CT scan further enhances these images, providing clearer, more precise results.

15 services15 patients

Florbetaben f18, diagnostic, per study dose, up to 8.1 millicuries Q9983

Florbetaben F18 is a radioactive diagnostic agent used in PET scans to detect amyloid plaques, often found in Alzheimer's patients. A dose of up to 8.1 millicuries is administered for each study.

15 services15 patients

X-ray of lower and sacral spine, 2-3 views 72100

An X-ray of the lower and sacral spine involves capturing images of your lower back area, including the tailbone. This procedure helps in identifying problems like fractures, infections, or deformities. 2-3 different angle views provide a comprehensive picture.

14 services14 patients

X-ray of lower and sacral spine, 2-3 views 72100

14 services14 patients

Nuclear medicine study of lung circulation 78580

A nuclear medicine study of lung circulation involves the use of a safe, radioactive substance to visualize lung function. It helps in diagnosing conditions like blood clots. The substance is injected and images are taken to study the blood flow in your lungs.

14 services14 patients

Nuclear medicine study whole body with ct scan 78816

A Nuclear Medicine Study with a CT Scan is a diagnostic procedure. It uses a small amount of radioactive substance and a CT scan to create detailed images of your body. These images help doctors diagnose, monitor, and treat various conditions.

14 services13 patients

X-ray of shoulder, 1 view 73020

An X-ray of the shoulder, 1 view, is a quick, painless test that produces images of the bones and tissues within your shoulder. It helps diagnose conditions such as fractures, infections, or arthritis. You'll be positioned to capture the best view, then a small dose of radiation creates the image.

13 services11 patients

Nuclear medicine study of lymphatic system 78195

13 services13 patients

X-ray of wrist, minimum of 3 views 73110

An X-ray of the wrist, minimum of 3 views, is a diagnostic procedure that uses radiation to create images of your wrist from different angles. This helps detect fractures, infections, or other abnormalities for accurate diagnosis and treatment planning.

12 services12 patients

X-ray of hand, minimum of 3 views 73130

An X-ray of the hand, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones in your hand from different angles. This helps in diagnosing fractures, infections, arthritis, or other abnormalities. It's quick and painless.

11 services11 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.

11 services11 patients

X-ray of hip, 2-3 views 73502

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.

Decatur Memorial Hospital

Acute Care Hospitals · Decatur, IL

3/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number140135

Location2300 North Edward StreetDecatur, IL 62526 · Macon County

Emergency services Birthing friendly

Memorial Medical Center

Acute Care Hospitals · Springfield, IL

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140148

Location701 N First StSpringfield, IL 62702 · Sangamon County

Emergency services Birthing friendly

Abraham Lincoln Memorial Hospital

Critical Access Hospitals · Lincoln, IL

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number141322

Location200 Stahlhut DriveLincoln, IL 62656 · Logan County

Emergency services

Taylorville Memorial Hospital

Critical Access Hospitals · Taylorville, IL

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number141339

Location201 East Pleasant StreetTaylorville, IL 62568 · Christian County

Emergency services

Jacksonville Memorial Hospital

Critical Access Hospitals · Jacksonville, IL

OwnershipVoluntary non-profit - Private

CMS Certification Number141352

Location1600 W Walnut StJacksonville, IL 62650 · Morgan County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 62703 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

$85.71 typical visit price

range $54.80 – $168.44

Typical copayment $21.42 (range $13.70 – $42.11)

Most-billed visit code 99203

Established Patient

$68.64 typical visit price

range $17.16 – $136.56

Typical copayment $17.16 (range $4.29 – $34.14)

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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

75/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

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. DEBORAH E ALBRIGHT M.D.

Internal Medicine