DR. WILLIAM MARK MOLPUS M.D.
NPI 1437189099
Radiology - Neuroradiology in Hattiesburg, MS

Active since July 03, 2006PECOS EnrolledAccepts Medicare Assignment
5000 W 4TH ST, HATTIESBURG, MS 39402(601) 450-0521(601) 450-0554 Get Directions Write a Review

NPPES record last updated: May 7, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. William Mark Molpus M.d. NPPES

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

DR. WILLIAM MARK MOLPUS M.D. (NPI 1437189099) is an individual neuroradiology provider in Hattiesburg, Mississippi, licensed in Mississippi (12221) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Wayne General Hospital, and maintains a secondary practice location in Centreville.

NPPES Registry Identity

NPI1437189099
Entity TypeIndividualMale
Primary Taxonomy2085N0700X
Provider Legal NameDR. WILLIAM MARK MOLPUSCredential: M.D.
Location Address5000 W 4TH STHattiesburg, MS 39402-1000
Mailing Address5000 W 4th StHattiesburg, MS 39402-1000 · (601) 450-0521 · Fax (601) 450-0554
Fax(601) 450-0554
Sole ProprietorNo
Medical School CMSUniversity Of Mississippi School Of MedicineGraduated 1988
Enumeration DateJuly 3, 2006
Last NPPES UpdateMay 7, 2026
NPPES CertifiedMay 7, 2026
NPI 1437189099 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyRadiology · NeuroradiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085N0700X
License Licensed in MS · 12221
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.
5000 W 4TH ST, Hattiesburg, MS 39402

Secondary Practice Location 1

Location 1178 Highway 24 ECentreville, MS 39631-4171 · Phone (601) 890-0500 · Fax (601) 645-5873

Other Identifiers 1

Medicaid00116212MS

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. William Mark Molpus 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 ID1355421306
PECOS Enrollment IDI20080103000681
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 76

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.

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967
Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.
2,990 services35 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.
877 services679 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.
409 services396 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.
185 services166 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.
148 services143 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.
125 services111 patients

Hospital Affiliations CMS Care Compare 5

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

Wayne General Hospital

Acute Care Hospitals · Waynesboro, MS
OwnershipGovernment - Local
CMS Certification Number250077
Location950 Matthew DrWaynesboro, MS 39367 · Wayne County
Emergency services Birthing friendly

Forrest General Hospital

Acute Care Hospitals · Hattiesburg, MS
1/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number250078
Location6051 Us Highway 49 SouthHattiesburg, MS 39404 · Forrest County
Emergency services Birthing friendly

Marion General Hospital

Acute Care Hospitals · Columbia, MS
OwnershipGovernment - Local
CMS Certification Number250085
Location1560 Sumrall RdColumbia, MS 39429 · Marion County
Emergency services

Merit Health Wesley

Acute Care Hospitals · Hattiesburg, MS
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number250094
Location5001 W Hardy StHattiesburg, MS 39402 · Lamar County
Emergency services Birthing friendly

Highland Community Hospital

Acute Care Hospitals · Picayune, MS
2/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number250117
Location130 Highland PkwyPicayune, MS 39466 · Pearl River 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.

Reported Quality Measures

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 -…
98%1,292 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
100%73 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…
100%57 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 17

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Radiology (Diagnostic Radiology)
5000 W 4TH ST
HATTIESBURG, MS 39402
Radiology (Diagnostic Radiology)
5000 W 4TH ST
HATTIESBURG, MS 39402
Radiology (Vascular & Interventional Radiology)
5000 W 4TH ST
HATTIESBURG, MS 39402
Radiology (Neuroradiology)
5000 W 4TH ST
HATTIESBURG, MS 39402
Radiology (Diagnostic Radiology)
5000 W 4TH ST
HATTIESBURG, MS 39402
Radiology (Diagnostic Radiology)
5000 W 4TH ST
HATTIESBURG, MS 39402
Radiology (Diagnostic Radiology)
5000 W 4TH ST
HATTIESBURG, MS 39402
Radiology (Diagnostic Radiology)
5000 W 4TH ST
HATTIESBURG, MS 39402

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 Molpus's NPI number?

The NPI number for William Molpus is 1437189099. It was assigned to this individual provider in the NPPES registry on July 3, 2006.

Where is William Molpus located?

William Molpus practices at 5000 W 4th St, Hattiesburg, MS 39402. The listed phone number is (601) 450-0521.

What is William Molpus's specialty?

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

Is William Molpus enrolled in Medicare?

Yes. William Molpus 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 William Molpus accept?

Health plans from Molina Healthcare and Oscar Health Plan, Inc. list William Molpus 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 William Molpus affiliated with any hospitals?

According to CMS data, William Molpus is affiliated with Wayne General Hospital, Forrest General Hospital, Marion General Hospital, Merit Health Wesley and Highland Community Hospital.

When was this NPI record last updated?

The NPPES record for William Molpus was last updated on May 7, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.