Doctor profile · Federal record

Dr. Johnathan Liljenquist, DO

Internal Medicine Physician (CMS: General Practice) · Idaho Falls, ID

  • NPI 1558985408
  • Accepts Medicare
  • 6 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2442 E 25Th St
Idaho Falls, ID 834047549
(208) 522-7310

Credentials & registration

NPPES · NUCC
NPI registered
June 2020 — 6 yrs on file
Profile last updated
August 2, 2023
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Idaho #O-1865

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558985408. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
265
Distinct HCPCS
7
Medicare allowed
$24,631
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 114 86 $91
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 70 70 $119
99213 Established patient office or other outpatient visit, 20-29 minutes 24 16 $61
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 17 13 $47
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 15 15 $8
99204 New patient office or other outpatient visit, 45-59 minutes 13 13 $123
99205 New patient office or other outpatient visit, 60-74 minutes 12 12 $167

In context: peer comparison

Among 7 peers in Idaho Falls Internal Medicine Physician, average services per provider: 129. This provider delivers 2.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$85
Transactions
5
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Mylan Specialty L.P. 1 $19.08
Boston Scientific Corporation 1 $19.06
Dexcom, INC. 1 $16.43
Daiichi Sankyo INC. 1 $15.15
Lilly USA, LLC 1 $15.10

By nature of payment

Food and Beverage
$85

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
391
Patients
196
Total drug cost
$5,258
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 40 24 $377
Gabapentin Generic 36 14 $282
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 35 15 $756
Amlodipine Besylate Generic 33 17 $237
Omeprazole Generic 30 14 $483
Prednisone Generic 27 25 $120
Tramadol Hcl Generic 27 14 $151
Duloxetine Hcl Generic 26 0 $501
Levothyroxine Sodium Generic 23 16 $389
Lisinopril Generic 22 11 $196

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Johnathan Liljenquist's medical specialty?
Dr. Johnathan Liljenquist practices Internal Medicine Physician in Idaho Falls, ID.
Where does Dr. Johnathan Liljenquist practice?
Dr. Johnathan Liljenquist practices at 2442 E 25Th St, Idaho Falls, ID 834047549. Office phone: 2085227310.
What is Dr. Johnathan Liljenquist's NPI?
Dr. Johnathan Liljenquist's National Provider Identifier (NPI) is 1558985408, issued by NPPES.
Does Dr. Johnathan Liljenquist accept Medicare assignment?
Yes. Dr. Johnathan Liljenquist accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Johnathan Liljenquist commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.