Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

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

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: August 16, 2026.

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

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
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

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

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

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
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 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

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

Southwestern Medical Center

Acute Care Hospitals · Lawton, OK
3/5 CMS rating
OwnershipProprietary
CMS Certification Number370097
Location5602 Southwest Lee BoulevardLawton, OK 73505 · Comanche County
Emergency services Birthing friendly

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

Oklahoma Center For Orthopaedic & Multi-Sp

Acute Care Hospitals · Oklahoma City, OK
OwnershipVoluntary non-profit - Private
CMS Certification Number370212
Location8100 South Walker Bldg COklahoma City, OK 73139 · Oklahoma County

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
Quality80.16
Improvement Activities40

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.

Radiology (Diagnostic Radiology)
2602 BUFORD RD
RICHMOND, VA 23235
Radiology (Vascular & Interventional Radiology)
2602 BUFORD RD
RICHMOND, VA 23235
Radiology (Vascular & Interventional Radiology)
2602 BUFORD RD
NORTH CHESTERFIELD, VA 23235
Physician Assistant (Medical)
2602 BUFORD RD
NORTH CHESTERFIELD, VA 23235
Radiology (Vascular & Interventional Radiology)
2602 BUFORD RD
NORTH CHESTERFIELD, VA 23235
Radiology (Diagnostic Radiology)
2602 BUFORD RD
RICHMOND, VA 23235
Radiology (Diagnostic Radiology)
2602 BUFORD RD
NORTH CHESTERFIELD, VA 23235
Physician Assistant
2602 BUFORD RD
NORTH CHESTERFIELD, VA 23235

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.

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, Southwestern Medical Center, Community Hospital, LLC and Oklahoma Center For Orthopaedic & Multi-Sp.

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 34 days 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.