NPPES file of Aug 9, 2026

William Henry Ennis, M.D.

Radiation Oncology Physician · Birmingham, AL

William Henry Ennis, M.D. is a radiation oncology physician with a practice address in Birmingham, Alabama, and NPI 1245610914, issued on Jun 8, 2015. Check the license (Alabama MD39097, as entered in NPPES) on the Alabama Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1245610914
Name
William Henry Ennis
Credential
M.D.
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License number
MD39097 AL
Self-reported in NPPES; status is on the state search
Practice location
3670 Grandview Pkwy # 100, Birmingham, AL 35243
Phone
(205) 971-1800
Enumerated
Jun 8, 2015
Record last updated
Jun 26, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(205) 971-1264
Medicare enrollment
Enrolled (PECOS I20200722001774); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 3670 Grandview Pkwy # 100

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kristi DennyRadiologic Technologist1710570411
  2. Caroline IngePhysician Assistant1538791074

Verify William Henry Ennis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersAlabama Board of Medical Examiners
    Search for license MD39097
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Alabama license search

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30% more Medicare Part D claims than the average radiation oncology physician in 2024

174 Medicare Part D claims for 83 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.

  1. William Ennis174
  2. Specialty average134

Most prescribed

  1. Omeprazole23 claims
  2. Dexamethasone20 claims
  3. Sucralfate13 claims
  4. Fluconazole12 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $1,601.71

72 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Ennis$1,601.71
  2. Specialty average$1,897.85

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Alabama Radiation Therapy ServicesBirmingham, AL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

William Henry Ennis among 80 radiation oncology physician records in Alabama

William Henry Ennis, M.D. is one of 80 radiation oncology physician records with a practice address in Alabama. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 81% of them.

  • NPI issued2015 · 81% of these records are older, 16% newer
  • In a Medicare fileYes · 90% of these records are
  • In the CMS Doctors and Clinicians fileYes · 78% of these records are
  • Graduated2015 · median 2005 among the 62 with a school on file
  • Record last updated2020 · 41% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Alabama practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Radiation Oncology Physician providers in Alabama

There are 80 radiation oncology physician records in Alabama.

The 8 radiation oncology physician records with the nearest ZIP codes

  1. Omer Burnett, MDBirmingham, AL 352491891905840
  2. Samuel Marcrom, M.D.Birmingham, AL 352491093127425
  3. Drexell Boggs, M.D.Birmingham, AL 352331003131558
  4. Michael DobelbowerBirmingham, AL 352331699874479
  5. Gobind Gill, MDBirmingham, AL 352331093277824
  6. Robert KimBirmingham, AL 352331992733828
  7. Adam KoleBirmingham, AL 352331679918940
  8. Jared Maas, MDBirmingham, AL 352331740775618

Common questions

What is William Henry Ennis, M.D.'s NPI number?

William Henry Ennis, M.D.'s National Provider Identifier (NPI) is 1245610914, issued on Jun 8, 2015. An NPI identifies a provider in billing; it is not a license.

Where is William Henry Ennis, M.D. located?

The NPPES record lists a practice address at 3670 Grandview Pkwy # 100, Birmingham, AL, 35243. Phone: (205) 971-1800. Providers update this record themselves, so call before visiting.

How can I verify William Henry Ennis, M.D.'s license?

NPPES lists Alabama license number MD39097, as entered by the provider. Search the Alabama Board of Medical Examiners at https://www.albme.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does William Henry Ennis, M.D. prescribe under Medicare Part D?

In 2024, William Henry Ennis, M.D. had 174 Medicare Part D claims for 83 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.