Doctor profile · Federal record

Dr. William Ennis, M.D.

Radiation Oncology Physician (CMS: Radiation Oncology) · Birmingham, AL

  • NPI 1245610914
  • Accepts Medicare
  • 11 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3670 Grandview Pkwy # 100
Birmingham, AL 352433326
(205) 971-1800
fax (205) 971-1264
Mailing address
Po Box 744699
Atlanta, GA 303744699

Credentials & registration

NPPES · NUCC
NPI registered
June 2015 — 11 yrs on file
Profile last updated
June 26, 2020
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
2085R0001X — NUCC code
State license (1)
Alabama #MD39097

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1245610914. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,301
Distinct HCPCS
10
Medicare allowed
$121,359
HCPCS Description Services Patients Avg allowed
77014 Ct guidance for insertion of radiation therapy fields 435 28 $41
77300 Calculation of radiation therapy dose 137 47 $31
77427 Radiation treatment management, 5 treatment sessions 125 48 $179
G6002 Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy 117 23 $19
77334 Design and construction of complex radiation treatment device 103 53 $57
99214 Established patient office or other outpatient visit, 30-39 minutes 76 44 $92
77263 Complex radiation therapy planning 59 51 $157
99205 New patient office or other outpatient visit, 60-74 minutes 49 49 $170
77338 Design and construction of radiation treatment device for high precision radiation therapy 45 38 $213
77301 High precision radiation therapy planning 44 38 $397

In context: peer comparison

Among 10 peers in this city , average services per provider: 79. This provider delivers 16× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,602
Transactions
54
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 11 $191.13
Incyte Corporation 6 $123.94
Takeda Pharmaceuticals U.S.A., Inc. 3 $104.35
Merck Sharp & Dohme LLC 4 $102.93
Boston Scientific Corporation 1 $97.45
Genentech USA, Inc. 4 $91.78
Janssen Biotech, Inc. 4 $82.73
Inari Medical, Inc. 1 $69.31
Novocure Inc. 2 $68.17
SOBI, INC 3 $67.38
Novartis Pharmaceuticals Corporation 4 $61.42
Regeneron Healthcare Solutions, Inc. 3 $51.53
Sumitomo Pharma America, Inc. 2 $46.51
Eisai Inc. 3 $46.35
Myriad Genetic Laboratories, Inc. 3 $45.93

By nature of payment

Food and Beverage
$1,602

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
66
Patients
0
Total drug cost
$915
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 23 0 $156
Omeprazole Generic 20 0 $142
Gabapentin Generic 12 0 $139
Sucralfate Generic 11 0 $478

Frequently asked questions

Auto-generated from federal data
What is Dr. William Ennis's medical specialty?
Dr. William Ennis practices Radiation Oncology Physician in Birmingham, AL.
Where does Dr. William Ennis practice?
Dr. William Ennis practices at 3670 Grandview Pkwy # 100, Birmingham, AL 352433326. Office phone: 2059711800.
What is Dr. William Ennis's NPI?
Dr. William Ennis's National Provider Identifier (NPI) is 1245610914, issued by NPPES.
Does Dr. William Ennis accept Medicare assignment?
Yes. Dr. William Ennis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Ennis commonly perform?
Top Medicare-reported procedures in 2023: Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Calculation of radiation therapy dose (HCPCS 77300); Radiation treatment management, 5 treatment sessions (HCPCS 77427). Source: CMS Medicare Physician & Other Practitioners file.