Doctor profile · Federal record

Dr. Johanna Dreiling, M.D.

Family Medicine Physician (CMS: Family Practice) · Hamilton, MT

  • NPI 1114174414
  • Accepts Medicare
  • 19 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
623 S 4Th St
Hamilton, MT 598402740
(406) 544-0295

Credentials & registration

NPPES · NUCC
NPI registered
August 2008 — 18 yrs on file
Profile last updated
January 14, 2026
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Montana #12495

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1114174414. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$27
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Astellas Pharma US Inc 1 $27.08

By nature of payment

Food and Beverage
$27

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
791
Patients
169
Total drug cost
$9,450
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 98 31 $1,344
Levothyroxine Sodium Generic 98 23 $1,335
Losartan Potassium Generic 98 31 $1,357
Omeprazole Generic 67 22 $1,120
Gabapentin Generic 49 15 $698
Amlodipine Besylate Generic 48 11 $214
Metformin Hcl Generic 41 0 $286
Escitalopram Oxalate Generic 40 11 $520
Lisinopril Generic 39 13 $378
Tramadol Hcl Generic 38 0 $242

Frequently asked questions

Auto-generated from federal data
What is Dr. Johanna Dreiling's medical specialty?
Dr. Johanna Dreiling practices Family Medicine Physician in Hamilton, MT.
Where does Dr. Johanna Dreiling practice?
Dr. Johanna Dreiling practices at 623 S 4Th St, Hamilton, MT 598402740. Office phone: 4065440295.
What is Dr. Johanna Dreiling's NPI?
Dr. Johanna Dreiling's National Provider Identifier (NPI) is 1114174414, issued by NPPES.
Does Dr. Johanna Dreiling accept Medicare assignment?
Yes. Dr. Johanna Dreiling accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.