DR. WILLIAM THROM DELFYETT M.D.
NPI 1649491200
Radiology - Neuroradiology in Pittsburgh, PA

Q: What is William Delfyett's NPI number?

The NPI number for William Delfyett is 1649491200. It was assigned to this individual provider in the NPPES registry on May 1, 2007.

Q: What is William Delfyett's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Neuroradiology, with taxonomy code 2085N0700X.

Q: When was this NPI record last updated?

The NPPES record for William Delfyett was last updated on July 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.

Active since May 01, 2007PECOS EnrolledAccepts Medicare Assignment

77.5/100

CMS Quality Rating

UPMC DEPARTMENT OF RADIOLOGY, 200 LOTHROP STREET, PITTSBURGH, PA 15213(412) 647-3510(412) 802-8221 Get Directions Write a Review

NPPES record last updated: July 31, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Dr. William Throm Delfyett M.d. NPPES

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

DR. WILLIAM THROM DELFYETT M.D. (NPI 1649491200) is an individual neuroradiology provider in Pittsburgh, Pennsylvania, licensed in Pennsylvania (MD431248) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with Upmc Jameson, and is a graduate of Perelman School Of Med At The University Of Pennsylvania (2001).

NPPES Registry Identity

NPI1649491200

Entity TypeIndividualMale

Primary Taxonomy2085N0700X

Provider Legal NameDR. WILLIAM THROM DELFYETTCredential: M.D.

Location AddressUPMC DEPARTMENT OF RADIOLOGY, 200 LOTHROP STREETPittsburgh, PA 15213

Mailing Address15204 Spring Meadow DrChapel Hill, NC 27517-9070 · (919) 969-1109

Phone(412) 647-3510

Fax(412) 802-8221

Sole ProprietorNo

Medical School CMSPerelman School Of Med At The University Of PennsylvaniaGraduated 2001

Enumeration DateMay 1, 2007

Last NPPES UpdateJuly 31, 2026

NPPES CertifiedJuly 31, 2026

✔ NPI 1649491200 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · NeuroradiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085N0700X

License✔ Licensed in PA · MD431248

Definition

A radiologist who diagnoses and treats diseases utilizing imaging procedures as they relate to the brain, spine and spinal cord, head, neck and organs of special sense in adults and children.

UPMC DEPARTMENT OF RADIOLOGY, Pittsburgh, PA 15213

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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. William Throm Delfyett 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 ID5496846958

PECOS Enrollment IDI20070813000400

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 William Delfyett reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Of Pittsburgh Physicians

1.3 mi

Internal Medicine

339 6TH AVE, 5TH FLOOR
Pittsburgh, PA 15222

Reassigned Medicare billing, Pennsylvania enrollment
7,114 clinicians in this Medicare group

NPI 1225167497 (412) 261-8762

Regional Health Services Inc

117 mi

Family Medicine

201 STATE ST
Erie, PA 16550

Reassigned Medicare billing, Pennsylvania enrollment
962 clinicians in this Medicare group

NPI 1174520654 (814) 877-8140

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 50

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.

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.

629 services435 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.

216 services204 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.

154 services138 patients

Mri scan of brain without contrast 70551

An MRI scan of the brain without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your brain. It helps in detecting abnormalities like tumors, stroke, inflammation, or infection.

127 services119 patients

Ct scan of blood vessels of neck with contrast 70498

A CT scan of the neck's blood vessels with contrast is a diagnostic procedure. It uses X-rays and a special dye to create detailed images of your neck's blood vessels. This helps doctors detect issues such as blockages or abnormalities.

115 services111 patients

Ct scan of blood vessels of head with contrast 70496

A CT scan of the head's blood vessels with contrast is a diagnostic procedure. A special dye (contrast) is injected into your body to make the blood vessels visible on the scan. This helps identify issues like blockages or abnormalities in your head's blood vessels.

111 services105 patients

Mri scan of brain before and after contrast 70553

An MRI scan of the brain, both before and after contrast, helps visualize different brain structures. Initially, images are taken without a contrast agent. Then, a safe dye is injected which helps highlight certain areas, providing clearer, more detailed images.

109 services105 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.

74 services62 patients

Dxa bone density measurement of hip, pelvis, spine 77080

A DXA bone density measurement is a simple, quick, and non-invasive procedure that assesses the strength of your bones. This test uses X-rays to measure the amount of minerals, mainly calcium, in the hip, pelvis, and spine. It helps in early detection of osteoporosis or other bone diseases.

64 services64 patients

Mri scan of lower spinal canal without contrast 72148

An MRI scan of the lower spinal canal without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to produce detailed images of your lower spine. This helps identify issues like disc problems, tumors, or nerve conditions. No dye is used.

62 services62 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.

61 services53 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.

58 services42 patients

X-ray of thigh bone, minimum 2 views 73552

An X-ray of the thigh bone is a non-invasive imaging test. It involves passing a small amount of radiation through the thigh to produce images of the bone structure. At least two different angles are captured for a comprehensive view. This helps detect fractures, infections, or other abnormalities.

57 services47 patients

Ct scan of face without contrast 70486

A CT scan of the face without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your face, including bones, soft tissues, and blood vessels. It's often used to diagnose diseases, injuries, or abnormalities. No contrast dye is used in this procedure.

48 services48 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.

46 services37 patients

X-ray of knee, 4 or more views 73564

An X-ray of the knee, 4 or more views, is a non-invasive imaging test. It involves capturing multiple images of your knee from different angles. This helps in diagnosing conditions such as fractures, arthritis, or infections. The procedure is quick and painless.

42 services37 patients

Computed tomography (ct) of brain blood flow, volume, and timing of flow analysis with contrast 0042T

A computed tomography (CT) of brain blood flow, volume, and timing of flow analysis with contrast is a non-invasive exam. It uses X-rays and a contrast material to create detailed images of your brain. It helps evaluate blood flow patterns and detect abnormalities like clots or blockages.

41 services41 patients

Ct scan of lower spine without contrast 72131

A CT scan of the lower spine without contrast is a non-invasive imaging test. It uses X-rays to create detailed images of your lower back area, helping to detect conditions like fractures, infections, or tumors. It's painless and generally quick.

38 services37 patients

X-ray of pelvis, 1-2 views 72170

An X-ray of the pelvis, 1-2 views, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the lower part of your torso. These images help to detect any abnormalities or injuries in your hip bones and surrounding structures.

37 services36 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.

36 services36 patients

X-ray of lower leg, 2 views 73590

An X-ray of the lower leg, 2 views, is a quick, painless test that produces images of the bones in your lower leg. It helps to identify fractures, infections, or diseases. Two different angles are used to provide a comprehensive view of the leg's structure.

35 services27 patients

Mri scan of upper spinal canal without contrast 72141

An MRI scan of the upper spinal canal without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your upper spine. This helps doctors identify issues such as injuries, infections or diseases. No dye is used.

34 services33 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.

32 services32 patients

Mri scan of brain before and after contrast 70553

31 services29 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.

29 services25 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.

26 services20 patients

Ct scan of middle spine without contrast 72128

A CT scan of the middle spine without contrast is a non-invasive imaging test. It uses X-rays to create detailed pictures of your mid-spine area. This scan helps doctors identify issues like fractures, tumors, or infections. No dye is used in this procedure.

25 services23 patients

Ct scan of soft tissue of neck with contrast 70491

A CT scan of the neck with contrast is a non-invasive imaging procedure. A special dye is administered to highlight the soft tissues in your neck, making them easier to see. This helps detect issues like infections, tumors, or other abnormalities.

22 services22 patients

X-ray of entire middle and lower spine, 2-3 views 72082

An X-ray of your middle and lower spine involves capturing images of these areas to identify any abnormalities. The procedure involves taking 2-3 different views for a comprehensive understanding. It's non-invasive and usually painless, helping doctors diagnose conditions like fractures or infections.

22 services20 patients

Mri scan of middle spinal canal without contrast 72146

An MRI scan of the middle spinal canal without contrast is a non-invasive imaging test. It uses magnetic fields and radio waves to create detailed images of your spine. This helps doctors identify any abnormalities or issues in your spinal canal. No dye is used in this procedure.

22 services21 patients

X-ray of elbow, minimum of 3 views 73080

An elbow X-ray with a minimum of 3 views is a non-invasive imaging test. It helps visualize the bones of the elbow from different angles. This aids in diagnosing conditions like fractures or arthritis. The procedure is quick, painless, and usually takes around 15 minutes.

21 services21 patients

Mri scan of brain without contrast 70551

20 services20 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.

20 services17 patients

Mri scan of lower spinal canal without contrast 72148

19 services19 patients

Mri scan of lower spinal canal before and after contrast 72158

An MRI scan of the lower spinal canal with contrast is a non-invasive imaging procedure. It uses magnetic fields to generate detailed images of your lower spine. A contrast agent is injected to enhance these images, helping doctors see issues more clearly.

19 services19 patients

X-ray of upper arm, minimum of 2 views 73060

An X-ray of the upper arm with a minimum of 2 views involves capturing images of your arm from different angles. This helps in assessing the bones and surrounding tissues for any abnormalities or injuries. It's a quick, painless procedure.

18 services14 patients

X-ray of spine, 1 view 72020

An X-ray of the spine, 1 view, is a quick and painless imaging procedure. It uses radiation to capture images of the bones in your spine. It helps in detecting issues like fractures, infections, or tumors. You'll be positioned, the machine captures the image, and you're done. It's a safe, routine procedure.

16 services16 patients

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

15 services15 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.

14 services14 patients

X-ray of soft tissue of neck 70360

An X-ray of the soft tissue of the neck is a non-invasive imaging test that helps visualize the tissues and structures in your neck area. It can detect issues like infections, tumors, or injuries. It involves exposure to a small amount of radiation and usually takes a few minutes.

13 services13 patients

Mri scan of blood vessels of head without contrast 70544

An MRI scan of the head's blood vessels without contrast is a non-invasive imaging procedure. It uses a magnetic field and radio waves to create detailed images of the blood vessels in your head. This helps doctors diagnose conditions such as stroke, aneurysm, or other vascular disorders.

13 services13 patients

X-ray of upper spine, 2-3 views 72040

An X-ray of the upper spine, with 2-3 views, is a painless procedure that employs a small amount of radiation to capture images of your neck and upper back. It assists in diagnosing conditions like arthritis, fractures, or spinal deformities.

13 services13 patients

X-ray of lower and sacral spine, minimum of 4 views 72110

An X-ray of the lower and sacral spine involves capturing images of your lower back and tailbone area. It helps in identifying issues like fractures, arthritis, or other abnormalities. At least four different angles or 'views' are taken to get a comprehensive picture.

13 services13 patients

Mri scan of upper spinal canal before and after contrast 72156

An MRI scan of the upper spinal canal before and after contrast is a non-invasive imaging test. It uses magnetic fields and radio waves to create detailed images of your spine. Contrast dye is injected to enhance these images, providing clearer visuals for accurate diagnosis.

13 services13 patients

X-ray of pelvis, minimum of 3 views 72190

An X-ray of the pelvis with a minimum of 3 views is a diagnostic procedure that uses radiation to create images of your lower body area. This helps in detecting issues like fractures, arthritis, or other abnormalities. It's quick, non-invasive, and typically painless.

13 services12 patients

Ct scan head or brain without contrast 70450

12 services12 patients

Mri scan of middle spinal canal before and after contrast 72157

An MRI scan of the middle spinal canal with contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your spine, both before and after a contrast dye is injected. The dye helps to highlight certain structures, providing a clearer picture for diagnosis.

12 services12 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.

12 services12 patients

Mri scan of upper spinal canal without contrast 72141

11 services11 patients

X-ray of forearm, 2 views 73090

An X-ray of the forearm, 2 views, is a diagnostic procedure where two different pictures of your forearm are taken using a small amount of radiation. These images help doctors assess your bone health and identify any fractures, infections, or other abnormalities.

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.

Upmc Jameson

Acute Care Hospitals · New Castle, PA

3/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number390016

Location1211 Wilmington AvenueNew Castle, PA 16105 · Lawrence County

Emergency services

Upmc Mercy

Acute Care Hospitals · Pittsburgh, PA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390028

Location1400 Locust StreetPittsburgh, PA 15219 · Allegheny County

Emergency services

Upmc St Margaret

Acute Care Hospitals · Pittsburgh, PA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390102

Location815 Freeport RoadPittsburgh, PA 15215 · Allegheny County

Emergency services

Upmc Passavant

Acute Care Hospitals · Pittsburgh, PA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390107

Location9100 Babcock BoulevardPittsburgh, PA 15237 · Allegheny County

Emergency services

Upmc Horizon

Acute Care Hospitals · Greenville, PA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390178

Location110 North Main StreetGreenville, PA 16125 · Mercer County

Emergency services Birthing friendly

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.

77.5/100

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

Scored as part of a group practice

Quality

68.61

Promoting Interoperability

100

Improvement Activities

Cost

56.4

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 William Delfyett's NPI number?

The NPI number for William Delfyett is 1649491200. It was assigned to this individual provider in the NPPES registry on May 1, 2007.

Where is William Delfyett located?

William Delfyett practices at Upmc Department Of Radiology 200 Lothrop Street, Pittsburgh, PA 15213. The listed phone number is (412) 647-3510.

What is William Delfyett's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Neuroradiology, with taxonomy code 2085N0700X.

Is William Delfyett enrolled in Medicare?

Yes. William Delfyett 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 William Delfyett's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Delfyett reassigns Medicare benefits to 2 organizations: University Of Pittsburgh Physicians (Pittsburgh, PA) and Regional Health Services Inc (Erie, PA). 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 William Delfyett's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is William Delfyett affiliated with any hospitals?

According to CMS data, William Delfyett is affiliated with Upmc Jameson, Upmc Mercy, Upmc St Margaret, Upmc Passavant and Upmc Horizon.

When was this NPI record last updated?

The NPPES record for William Delfyett was last updated on July 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.