Doctor profile · Federal record

Dr. Shannon Willis, MD

Hospitalist Physician (CMS: Internal Medicine) · Internal Medicine Physician · Internal Medicine Physician · Hospitalist Physician · Lawrenceville, GA

  • NPI 1487971263
  • Accepts Medicare
  • 16 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
1000 Medical Center Blvd, Ground Floor Gme Office
Lawrenceville, GA 300467694
(706) 593-1389
Additional location
1 Medical Center Dr
Biddeford, ME 040059422
(207) 283-7937
fax (207) 283-7018
Additional location
22 Bramhall St
Portland, ME 041023134
(207) 662-4618
fax (207) 662-6254
Show 1 more location
Additional location
25 June St
Sanford, ME 040732621
(207) 324-4310

Credentials & registration

NPPES · NUCC
NPI registered
May 2010 — 16 yrs on file
Profile last updated
June 12, 2025
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
208M00000X — NUCC code
State licenses (2)
Georgia #075178 · Maine #MD29422

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1487971263. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
430
Distinct HCPCS
5
Medicare allowed
$38,535
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 240 89 $75
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 116 59 $110
99239 Hospital discharge day management, more than 30 minutes 37 37 $108
99238 Hospital discharge day management, 30 minutes or less 25 25 $74
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 12 12 $164

In context: peer comparison

Among 20 peers in Lawrenceville Hospitalist Physician, average services per provider: 91. This provider delivers 4.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$20
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Neurocrine Biosciences, INC. 1 $20.42

By nature of payment

Food and Beverage
$20

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
41
Patients
40
Total drug cost
$253
Drug Type Claims Patients Total cost
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 15 15 $62
Atorvastatin Calcium Generic 15 14 $109
Prednisone Generic 11 11 $82

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Shannon Willis's medical specialty?
Dr. Shannon Willis practices Hospitalist Physician in Lawrenceville, GA.
Where does Dr. Shannon Willis practice?
Dr. Shannon Willis practices at 1000 Medical Center Blvd, Lawrenceville, GA 300467694. Office phone: 7065931389.
What is Dr. Shannon Willis's NPI?
Dr. Shannon Willis's National Provider Identifier (NPI) is 1487971263, issued by NPPES.
Does Dr. Shannon Willis accept Medicare assignment?
Yes. Dr. Shannon Willis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Shannon Willis commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.