Doctor profile · Federal record

Dr. Alyssa Hammar, DO

Surgery Physician · Columbia, MO

  • NPI 1063144186
  • 4 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Hospital Dr
Columbia, MO 652121000
(573) 884-2000

Credentials & registration

NPPES · NUCC
NPI registered
June 2022 — 4 yrs on file
Specialty taxonomy
208600000X — NUCC code
State license (1)
Missouri #2022024345

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1063144186. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$137
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Medical Device Business Services, INC. 1 $137.01

By nature of payment

Education
$137

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
32
Patients
20
Total drug cost
$941
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 20 20 $67
Pantoprazole Sodium Generic 12 0 $874

Frequently asked questions

Auto-generated from federal data
What is Dr. Alyssa Hammar's medical specialty?
Dr. Alyssa Hammar practices Surgery Physician in Columbia, MO.
Where does Dr. Alyssa Hammar practice?
Dr. Alyssa Hammar practices at 1 Hospital Dr, Columbia, MO 652121000. Office phone: 5738842000.
What is Dr. Alyssa Hammar's NPI?
Dr. Alyssa Hammar's National Provider Identifier (NPI) is 1063144186, issued by NPPES.