Doctor profile · Federal record

Dr. John Willis, CRNP

Nurse Practitioner · Huntsville, AL

  • NPI 1275831703
  • Accepts Medicare
  • 17 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4810 Whitesport Cir Sw, Suite 110
Huntsville, AL 358017419
(256) 539-2531
fax (256) 533-0490
Mailing address
4810 Whitesport Circle, Alabama Sleep Clinic Suite 110
Huntsville, AL 35801

Credentials & registration

NPPES · NUCC
NPI registered
March 2011 — 15 yrs on file
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
Alabama #1-114309

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1275831703. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
230
Distinct HCPCS
10
Medicare allowed
$13,294
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 70 58 $70
99214 Established patient office or other outpatient visit, 30-39 minutes 37 34 $101
96372 Injection of drug or substance under skin or into muscle 18 14 $11
90662 Influenza vaccine split virus, preservative free 16 16 $72
G0008 Administration of influenza virus vaccine 16 16 $25
G0446 Annual, face-to-face intensive behavioral therapy for cardiovascular disease, individual, 15 minutes 16 16 $20
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 15 15 $101
G0442 Annual alcohol misuse screening, 5 to 15 minutes 15 15 $14
87635 Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen 14 14 $50
G0444 Annual depression screening, 5 to 15 minutes 13 13 $14

In context: peer comparison

Among 26 peers in this city , average services per provider: 66. This provider delivers 3.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$20
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Lilly USA, LLC 1 $20.40

By nature of payment

Food and Beverage
$20

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
211
Patients
129
Total drug cost
$2,840
Drug Type Claims Patients Total cost
Cephalexin Generic 31 30 $193
Doxycycline Hyclate Generic 21 19 $293
Atorvastatin Calcium Generic 19 0 $322
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 18 17 $477
Amoxicillin Generic 17 17 $102
Levothyroxine Sodium Generic 17 0 $328
Lisinopril Generic 17 11 $143
Sertraline Hcl Generic 17 0 $119
Omeprazole Generic 16 13 $325
Losartan Potassium Generic 14 0 $199

Frequently asked questions

Auto-generated from federal data
What is Dr. John Willis's medical specialty?
Dr. John Willis practices Nurse Practitioner in Huntsville, AL.
Where does Dr. John Willis practice?
Dr. John Willis practices at 4810 Whitesport Cir Sw, Huntsville, AL 358017419. Office phone: 2565392531.
What is Dr. John Willis's NPI?
Dr. John Willis's National Provider Identifier (NPI) is 1275831703, issued by NPPES.
Does Dr. John Willis accept Medicare assignment?
Yes. Dr. John Willis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Willis commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Injection of drug or substance under skin or into muscle (HCPCS 96372). Source: CMS Medicare Physician & Other Practitioners file.