Doctor profile · Federal record

Dr. Adam Leestma, FNP

Family Nurse Practitioner (CMS: Nurse Practitioner) · Demotte, IN

  • NPI 1891230140
  • Accepts Medicare
  • 10 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
519 N Halleck St
Demotte, IN 463109553
(219) 987-7750
fax (219) 987-5750

Credentials & registration

NPPES · NUCC
NPI registered
December 2016 — 10 yrs on file
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Indiana #28199079A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1891230140. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,076
Transactions
56
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 11 $261.10
Abbvie INC. 12 $168.89
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 8 $124.73
Phathom Pharmaceuticals, INC. 3 $73.87
Lilly USA, LLC 3 $70.47
Otsuka America Pharmaceutical, INC. 3 $49.74
Amgen INC. 3 $47.81
Antares Pharma, INC. 2 $46.30
Novo Nordisk INC 3 $45.10
Boehringer Ingelheim Pharmaceuticals, INC. 2 $39.18
Bayer Healthcare Pharmaceuticals INC. 2 $31.68
Vanda Pharmaceuticals INC. 1 $29.98
Astellas Pharma US INC 1 $23.63
Exact Sciences Corporation 1 $17.49
Pfizer INC. 1 $17.49

By nature of payment

Food and Beverage
$1,076

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,559
Patients
550
Total drug cost
$18,932
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 168 58 $2,169
Lisinopril Generic 163 60 $1,483
Alprazolam Generic 144 42 $1,208
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 138 41 $3,016
Levothyroxine Sodium Generic 135 46 $2,745
Amlodipine Besylate Generic 110 40 $905
Gabapentin Generic 102 30 $1,617
Pantoprazole Sodium Generic 94 38 $1,487
Metformin Hcl Generic 86 39 $708
Hydrochlorothiazide Generic 85 31 $429

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Adam Leestma's medical specialty?
Dr. Adam Leestma practices Family Nurse Practitioner in Demotte, IN.
Where does Dr. Adam Leestma practice?
Dr. Adam Leestma practices at 519 N Halleck St, Demotte, IN 463109553. Office phone: 2199877750.
What is Dr. Adam Leestma's NPI?
Dr. Adam Leestma's National Provider Identifier (NPI) is 1891230140, issued by NPPES.
Does Dr. Adam Leestma accept Medicare assignment?
Yes. Dr. Adam Leestma accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.