DR. DEREK C DIFFENDAFFER M.D.
NPI 1558629113
Radiology - Diagnostic Radiology in North Chesterfield, VA

Q: What is Derek Diffendaffer's NPI number?

The NPI number for Derek Diffendaffer is 1558629113. It was assigned to this individual provider in the NPPES registry on May 1, 2012.

Q: What is Derek Diffendaffer's specialty?

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

Active since May 01, 2012PECOS EnrolledAccepts Medicare Assignment

83.13/100

CMS Quality Rating

2602 BUFORD RD, NORTH CHESTERFIELD, VA 23235(804) 272-8806(804) 272-2909 Get Directions Write a Review

NPPES record last updated: July 17, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 17, 2026, Dec 21, 2018 (2 updates tracked since 2018).

On this page

About Dr. Derek C Diffendaffer M.d. NPPES

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

DR. DEREK C DIFFENDAFFER M.D. (NPI 1558629113) is an individual diagnostic radiology provider in North Chesterfield, Virginia, licensed in Virginia (0101289154) and active in the NPI registry since May 2012. He is enrolled in Medicare PECOS, is affiliated with Duncan Regional Hospital, Inc, and is a graduate of Other (2012).

NPPES Registry Identity

NPI1558629113

Entity TypeIndividualMale

Primary Taxonomy2085R0202X

Provider Legal NameDR. DEREK C DIFFENDAFFERCredential: M.D.

Location Address2602 BUFORD RDNorth Chesterfield, VA 23235-3422

Mailing Address2602 Buford RdNorth Chesterfield, VA 23235-3422 · (804) 272-8806 · Fax (804) 272-2909

Phone(804) 272-8806

Fax(804) 272-2909

Sole ProprietorYes

Medical School CMSOtherGraduated 2012

Enumeration DateMay 1, 2012

Last NPPES UpdateJuly 17, 20262 updates tracked since enumeration

NPPES CertifiedJuly 17, 2026

✔ NPI 1558629113 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 VA · 0101289154

Definition

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

2602 BUFORD RD, North Chesterfield, VA 23235

Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and more.Insurance ›

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. Derek C Diffendaffer 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 ID8426327727

PECOS Enrollment IDI20170629001834, I20230728001935, I20260828004314

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 Derek Diffendaffer reassigns Medicare billing to 13 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Radiology Associates Of Richmond Inc

Same address

Diagnostic Radiology

2602 BUFORD RD
Richmond, VA 23235

Reassigned Medicare billing, Virginia enrollment
89 clinicians in this Medicare group

NPI 1447297577 (804) 272-8806

North Star Mcd LLC

1,089 mi

Radiology

4805A WESLEY ST
Greenville, TX 75401

Reassigned Medicare billing, Texas and Oklahoma enrollments
Also billed through NPI 1700550282 (Oklahoma)
206 clinicians in this Medicare group

NPI 1215748900 (972) 649-6460

North Star Mri LP

1,120 mi

Radiology

997 RAINTREE CIRCLE, SUITE 110
Allen, TX 75013

Reassigned Medicare billing, Oklahoma and Texas enrollments
13 clinicians in this Medicare group

NPI 1033174701 (972) 954-8001

North Star Mri Of Frisco LP

1,127 mi

Radiology

8501 WADE BLVD., SUITE 220
Frisco, TX 75034

Reassigned Medicare billing, Oklahoma and Texas enrollments
13 clinicians in this Medicare group

NPI 1649356759 (214) 618-3420

North Star Diagnostic Imaging, LLC

1,127 mi

Radiology

3700 W 15TH ST, BUILDING D, SUITE 200
Plano, TX 75075

Reassigned Medicare billing, Oklahoma and Texas enrollments
12 clinicians in this Medicare group

NPI 1467787739 (972) 758-9000

North Star Fp, LP

1,130 mi

Radiology

11970 N CENTRAL EXPY STE 100
Dallas, TX 75243

Reassigned Medicare billing, Oklahoma and Texas enrollments
12 clinicians in this Medicare group

NPI 1033630835 (972) 649-6460

North Star Npt LP

1,131 mi

Radiology

6101 W PLANO PKWY STE 150
Plano, TX 75093

Reassigned Medicare billing, Oklahoma and Texas enrollments
13 clinicians in this Medicare group

NPI 1699387647 (972) 649-6460

Grady Memorial Hospital

1,132 mi

Rural Health

4805 E HIGHWAY 37
Tuttle, OK 73089

Reassigned Medicare billing, Oklahoma enrollment
97 clinicians in this Medicare group

NPI 1750715439 (405) 381-2301

North Star Cn, LP

1,133 mi

Radiology

4780 N JOSEY LN
Carrollton, TX 75010

Reassigned Medicare billing, Oklahoma and Texas enrollments
13 clinicians in this Medicare group

NPI 1013305945 (972) 492-1334

North Star Fm, LP

1,143 mi

Radiology

4951 LONG PRAIRIE ROAD, SUITE 105
Flower Mound, TX 75028

Reassigned Medicare billing, Oklahoma enrollment
13 clinicians in this Medicare group

NPI 1174812028 (972) 899-5901

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 37

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 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.

254 services254 patients

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.

253 services253 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.

118 services118 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.

112 services111 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 services95 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.

94 services94 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.

84 services82 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.

77 services68 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.

59 services59 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.

47 services47 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.

46 services46 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.

41 services41 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.

34 services34 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.

34 services33 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.

34 services34 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.

29 services28 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.

28 services28 patients

Ultrasound scan of head and neck soft tissue 76536

An ultrasound scan of the head and neck soft tissue is a non-invasive procedure that uses sound waves to create images of the soft tissues in these areas. It helps identify any abnormalities or issues, such as tumors, cysts, or infections. It's painless and doesn't involve radiation.

26 services26 patients

Fluoroscopic guidance for needle placement 77002

Fluoroscopic guidance for needle placement is a medical procedure that uses a special X-ray technology to help accurately place a needle in the body. It's often used in biopsies, injections or other treatments to ensure precision and safety.

26 services25 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.

25 services25 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.

24 services24 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.

24 services24 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.

23 services23 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.

23 services23 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.

21 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.

17 services17 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.

17 services16 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.

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.

16 services14 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.

16 services13 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.

15 services15 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.

13 services13 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.

13 services12 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.

13 services13 patients

Fine needle aspiration biopsy using ultrasound guidance, first growth 10005

Fine needle aspiration biopsy with ultrasound guidance is a procedure where a thin needle is inserted into a growth to extract a small sample. Ultrasound helps accurately locate the growth. This sample is then analyzed to determine the nature of the growth.

11 services11 patients

Biopsy of breast and placement of locating device using ultrasound, first growth 19083

A breast biopsy with locating device placement involves taking a small sample from an unusual growth, using ultrasound for precise targeting. This sample is studied for any abnormal cells. A locating device is also placed to mark the area for future reference.

11 services11 patients

Injection of contrast for imaging of shoulder joint 23350

This procedure involves injecting a contrast agent into your shoulder joint. The contrast helps highlight the joint on an imaging scan, giving a clearer picture of its condition. It can help identify any abnormalities or injuries. It's generally safe with minimal discomfort.

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.

Duncan Regional Hospital, Inc

Acute Care Hospitals · Duncan, OK

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number370023

Location2621 Whisenant DrDuncan, OK 73533 · Stephens County

Emergency services Birthing friendly

Grady Memorial Hospital

Acute Care Hospitals · Chickasha, OK

3/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number370054

Location2220 Iowa StreetChickasha, OK 73018 · Grady County

Emergency services

Community Hospital, LLC

Acute Care Hospitals · Oklahoma City, OK

5/5 CMS rating

OwnershipPhysician

CMS Certification Number370203

Location3100 Southwest 89th StreetOklahoma City, OK 73159 · Oklahoma County

Emergency services

Cjw Medical Center

Acute Care Hospitals · Richmond, VA

4/5 CMS rating

OwnershipProprietary

CMS Certification Number490112

Location7101 Jahnke RoadRichmond, VA 23235 · Chesterfield County

Emergency services

Henrico Doctors' Hospital

Acute Care Hospitals · Richmond, VA

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number490118

Location1602 Skipwith RoadRichmond, VA 23229 · Henrico County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 23235 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

$86.88 typical visit price

range $56.19 – $170.30

Typical copayment $21.72 (range $14.04 – $42.57)

Most-billed visit code 99203

Established Patient

$70.08 typical visit price

range $18.07 – $138.91

Typical copayment $17.52 (range $4.51 – $34.72)

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.

83.13/100

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

Scored as part of a group practice

Quality

80.16

Improvement Activities

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. RICHARD WESTWOOD FULLER M.D.

Radiology (Diagnostic Radiology)

2602 BUFORD RD
RICHMOND, VA 23235

Chesterfield County (804) 272-8806

DR. MATTHEW L COHEN M.D.

Radiology (Vascular & Interventional Radiology)

2602 BUFORD RD
RICHMOND, VA 23235

Chesterfield County (804) 272-8806

QIONG HAN M.D., PH.D.

Radiology (Vascular & Interventional Radiology)

2602 BUFORD RD
NORTH CHESTERFIELD, VA 23235

Chesterfield County (804) 272-8806

TYLER R HOWARD PA-C

Physician Assistant (Medical)

2602 BUFORD RD
NORTH CHESTERFIELD, VA 23235

Chesterfield County (804) 272-8806

RICHARD S. PERGOLIZZI MD

Radiology (Vascular & Interventional Radiology)

2602 BUFORD RD
NORTH CHESTERFIELD, VA 23235

Chesterfield County (804) 272-8806

DR. DIRAN R BEZIRDJIAN M.D.

Radiology (Diagnostic Radiology)

2602 BUFORD RD
RICHMOND, VA 23235

Chesterfield County (804) 272-8806

FARSHID BOZORGI M.D.

Radiology (Diagnostic Radiology)

2602 BUFORD RD
NORTH CHESTERFIELD, VA 23235

Chesterfield County (804) 272-8806

MS. ERIKA MARSHALL PA-C

Physician Assistant

2602 BUFORD RD
NORTH CHESTERFIELD, VA 23235

Chesterfield County (804) 272-8806

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 Derek Diffendaffer's NPI number?

The NPI number for Derek Diffendaffer is 1558629113. It was assigned to this individual provider in the NPPES registry on May 1, 2012.

Where is Derek Diffendaffer located?

Derek Diffendaffer practices at 2602 Buford Rd, North Chesterfield, VA 23235. The listed phone number is (804) 272-8806.

What is Derek Diffendaffer's specialty?

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

Is Derek Diffendaffer enrolled in Medicare?

Yes. Derek Diffendaffer 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 Derek Diffendaffer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Derek Diffendaffer reassigns Medicare benefits to 13 organizations: Radiology Associates Of Richmond Inc (Richmond, VA), North Star Mcd LLC (Greenville, TX), North Star Mri LP (Allen, TX), North Star Mri Of Frisco LP (Frisco, TX), North Star Diagnostic Imaging, LLC (Plano, TX) and 8 more organizations, listed in the Medicare section above. 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 Derek Diffendaffer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Derek Diffendaffer accept?

Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and Sendero Health Plans, Local Nonprofit list Derek Diffendaffer 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 Derek Diffendaffer affiliated with any hospitals?

According to CMS data, Derek Diffendaffer is affiliated with Duncan Regional Hospital, Inc, Grady Memorial Hospital, Community Hospital, LLC, Cjw Medical Center and Henrico Doctors' Hospital.

When was this NPI record last updated?

The NPPES record for Derek Diffendaffer was last updated on July 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.