Doctor profile · Federal record

Dr. Nathan Gillis, DO

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Boise, ID

  • NPI 1144699505
  • Accepts Medicare
  • MIPS 83.3 / 100 · 2023
  • 11 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
190 E Bannock St
Boise, ID 837126241
(208) 381-5015
Additional location
1100 Wilford Hall Loop Bldg 4554
Jbsa Lackland, TX 782365638
(210) 292-6225
Additional location
221 Third St, Bldg 1040
Jbsa - Randolph, TX 78150
(210) 652-8544
Mailing address
1100 Wilford Hall Loop Bldg 4554
Jbsa Lackland, TX 782365638

Credentials & registration

NPPES · NUCC
NPI registered
September 2015 — 11 yrs on file
Profile last updated
May 15, 2020
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Idaho #O-1131 · Texas #BP10053699

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144699505. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
421
Distinct HCPCS
4
Medicare allowed
$35,526
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 300 112 $75
99239 Hospital discharge day management, more than 30 minutes 65 65 $108
99238 Hospital discharge day management, 30 minutes or less 36 36 $76
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 20 20 $164

In context: peer comparison

Among 46 peers in Boise Internal Medicine Physician, average services per provider: 87. This provider delivers 4.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
84
Patients
82
Total drug cost
$632
Drug Type Claims Patients Total cost
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 29 28 $281
Atorvastatin Calcium Generic 16 16 $109
Furosemide Generic 14 14 $49
Metoprolol Succinate Generic 13 12 $149
Prednisone Generic 12 12 $45

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nathan Gillis's medical specialty?
Dr. Nathan Gillis practices Internal Medicine Physician in Boise, ID.
Where does Dr. Nathan Gillis practice?
Dr. Nathan Gillis practices at 190 E Bannock St, Boise, ID 837126241. Office phone: 2083815015.
What is Dr. Nathan Gillis's NPI?
Dr. Nathan Gillis's National Provider Identifier (NPI) is 1144699505, issued by NPPES.
Does Dr. Nathan Gillis accept Medicare assignment?
Yes. Dr. Nathan Gillis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nathan Gillis commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239); Hospital discharge day management (HCPCS 99238). Source: CMS Medicare Physician & Other Practitioners file.