MARK S. TWEDT MD
NPI 1811293525
Radiology - Diagnostic Radiology in Richmond, VA

Active since January 28, 2011PECOS EnrolledAccepts Medicare Assignment
75/100
CMS Quality Rating
1250 E MARSHALL ST, DEPT. OF RADIOLOGY, RICHMOND, VA 23298(804) 828-6831(804) 628-1132 Get Directions Write a Review

NPPES record last updated: August 3, 2016. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mark S. Twedt Md NPPES

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

MARK S. TWEDT MD (NPI 1811293525) is an individual diagnostic radiology provider in Richmond, Virginia, licensed in Virginia (0101259401) and active in the NPI registry since January 2011. He is enrolled in Medicare PECOS, is affiliated with St Mary's Hospital, and is a graduate of Mercer University School Of Medicine (2011).

NPPES Registry Identity

NPI1811293525
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameMARK S. TWEDTCredential: MD
Location Address1250 E MARSHALL ST, DEPT. OF RADIOLOGYRichmond, VA 23298-5051
Mailing AddressPo Box 91734Richmond, VA 23291-1734 · (804) 358-6100 · Fax (804) 342-7619
Fax(804) 628-1132
Sole ProprietorNo
Medical School CMSMercer University School Of MedicineGraduated 2011
Enumeration DateJanuary 28, 2011
Last NPPES UpdateAugust 3, 2016
NPI 1811293525 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 · 0101259401
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
1250 E MARSHALL ST, Richmond, VA 23298

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

Mark S. Twedt 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 ID244475127
PECOS Enrollment IDI20170601000637
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 57

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.

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.
1,008 services798 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.
276 services257 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.
243 services234 patients
3d radiographic procedure 76376
A 3D radiographic procedure is a non-invasive imaging test that helps doctors visualize the internal structures of your body in three dimensions. This advanced technology provides detailed images, aiding in accurate diagnosis and treatment planning. It involves exposure to minimal radiation.
178 services172 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.
124 services121 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.
121 services116 patients

Hospital Affiliations CMS Care Compare 5

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

St Mary's Hospital

Acute Care Hospitals · Athens, GA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number110006
Location1230 Baxter StreetAthens, GA 30606 · Clarke County
Emergency services Birthing friendly

Ty Cobb Regional Medical Center, LLC

Acute Care Hospitals · Lavonia, GA
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number110027
Location367 Clear Creek ParkwayLavonia, GA 30553 · Franklin County
Emergency services Birthing friendly

Piedmont Walton Hospital

Acute Care Hospitals · Monroe, GA
4/5 CMS rating
OwnershipProprietary
CMS Certification Number110046
Location2151 W Spring StreetMonroe, GA 30655 · Walton County
Emergency services Birthing friendly

Piedmont Athens Regional Medical Center

Acute Care Hospitals · Athens, GA
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number110074
Location1199 Prince AvenueAthens, GA 30606 · Clarke County
Birthing friendly

St. Mary's Good Samaritan Hospital

Critical Access Hospitals · Greensboro, GA
4/5 CMS rating
OwnershipProprietary
CMS Certification Number111329
Location5401 Lake Oconee ParkwayGreensboro, GA 30642 · Greene County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 23298 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.

75/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice

Reported Quality Measures

Nuclear Medicine: Correlation with Existing Imaging Studies for All Patients Undergoing Bone Scintigraphy
Percentage of final reports for all patients, regardless of age, undergoing bone scintigraphy that include physician documentation of correlation with existing relevant imaging studies (e.g., x-ray, MRI, CT, etc.) that were performed
88%25 patients
Radiation Consideration for Adult CT: Utilization of Dose Lowering Techniques
Percentage of final reports for patients aged 18 years and older undergoing CT with documentation that one or more of the following dose reduction techniques were used: - Automated exposure control - Adjustment of the mA and/or kV according to patient size -…
0%614 patients
Radiology: Reminder System for Screening Mammograms
Percentage of patients undergoing a screening mammogram whose information is entered into a reminder system with a target due date for the next mammogram
57%51 patients
Radiology: Stenosis Measurement in Carotid Imaging Reports
Percentage of final reports for carotid imaging studies (neck magnetic resonance angiography [MRA], neck computed tomography angiography [CTA], neck duplex ultrasound, carotid angiogram) performed that include direct or indirect reference to measurements of…
91%104 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

Student in an Organized Health Care Education/Training Program
1250 E MARSHALL ST
RICHMOND, VA 23298
Nurse Practitioner (Family)
1250 E MARSHALL ST, GENERAL MEDICINE
RICHMOND, VA 23298
Internal Medicine
1250 E MARSHALL ST, INTERNAL MEDICINE
RICHMOND, VA 23298
Nurse Practitioner (Family)
1250 E MARSHALL ST, DEPARTMENT OF PEDIATRICS
RICHMOND, VA 23298
Internal Medicine (Geriatric Medicine)
1250 E MARSHALL ST, DEPT. OF INTERNAL MEDICINE/GERIATRIC MEDICINE
RICHMOND, VA 23298
Physician Assistant
1250 E MARSHALL ST, EMERGENCY MEDICINE
RICHMOND, VA 23298
Nurse Practitioner (Acute Care)
1250 E MARSHALL ST
RICHMOND, VA 23298
Student in an Organized Health Care Education/Training Program
1250 E MARSHALL ST
RICHMOND, VA 23298

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 Mark Twedt's NPI number?

The NPI number for Mark Twedt is 1811293525. It was assigned to this individual provider in the NPPES registry on January 28, 2011.

Where is Mark Twedt located?

Mark Twedt practices at 1250 E Marshall St Dept. Of Radiology, Richmond, VA 23298. The listed phone number is (804) 828-6831.

What is Mark Twedt's specialty?

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

Is Mark Twedt enrolled in Medicare?

Yes. Mark Twedt 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.

Is Mark Twedt affiliated with any hospitals?

According to CMS data, Mark Twedt is affiliated with St Mary's Hospital, Ty Cobb Regional Medical Center, LLC, Piedmont Walton Hospital, Piedmont Athens Regional Medical Center and St. Mary's Good Samaritan Hospital.

When was this NPI record last updated?

The NPPES record for Mark Twedt was last updated on August 3, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.