Doctor profile · Federal record

Dr. William Tiemann, MD

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Houma, LA

  • NPI 1831148923
  • Accepts Medicare
  • MIPS 92.5 / 100 · 2023
  • 28 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
705 Dunn St
Houma, LA 703604765
(985) 876-2727
fax (985) 851-7434
Mailing address
Po Box 3837
Houma, LA 703613837

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
February 21, 2008
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State license (1)
Louisiana #024432
Medicaid
LA #1576786

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831148923. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
6,432
Distinct HCPCS
10
Medicare allowed
$158,492
HCPCS Description Services Patients Avg allowed
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml 1,525 17 $0
71045 X-ray of chest, 1 view 1,035 753 $9
71046 X-ray of chest, 2 views 345 323 $10
70450 Ct scan head or brain without contrast 315 300 $39
77067 Screening mammography 268 268 $36
77063 Screening 3d breast mammography 211 211 $28
A9575 Injection, gadoterate meglumine, 0.1 ml 175 11 $0
74177 Ct scan of abdomen and pelvis with contrast 136 127 $86
71250 Ct scan of chest without contrast 130 123 $50
74176 Ct scan of abdomen and pelvis without contrast 127 122 $82

In context: peer comparison

Among 5 peers in Houma Diagnostic Radiology Physician, average services per provider: 66. This provider delivers 97× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$119
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Boehringer Ingelheim Pharmaceuticals, INC. 1 $119.12

By nature of payment

Food and Beverage
$119

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Tiemann's medical specialty?
Dr. William Tiemann practices Diagnostic Radiology Physician in Houma, LA.
Where does Dr. William Tiemann practice?
Dr. William Tiemann practices at 705 Dunn St, Houma, LA 703604765. Office phone: 9858762727.
What is Dr. William Tiemann's NPI?
Dr. William Tiemann's National Provider Identifier (NPI) is 1831148923, issued by NPPES.
Does Dr. William Tiemann accept Medicare assignment?
Yes. Dr. William Tiemann accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Tiemann commonly perform?
Top Medicare-reported procedures in 2023: Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (HCPCS Q9967); X-ray of chest, 1 view (HCPCS 71045); X-ray of chest, 2 views (HCPCS 71046). Source: CMS Medicare Physician & Other Practitioners file.