Doctor profile · Federal record

Dr. Patricia Isabella Rondain, MD

Infectious Disease Physician (CMS: Infectious Disease) · Student in an Organized Health Care Education/Training Program · Billings, MT

  • NPI 1780160721
  • Accepts Medicare
  • MIPS 92.8 / 100 · 2023
  • 12 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
801 N 29Th St
Billings, MT 591010905
(406) 238-2500
Mailing address
Po Box 35100
Billings, MT 591075100

Credentials & registration

NPPES · NUCC
NPI registered
July 2018 — 8 yrs on file
Profile last updated
September 6, 2023
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207RI0200X — NUCC code
State license (1)
Montana #MED-PHYS-LIC-122801

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1780160721. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
89
Distinct HCPCS
4
Medicare allowed
$9,529
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 45 23 $78
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 18 18 $171
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 14 14 $128
99214 Established patient office or other outpatient visit, 30-39 minutes 12 12 $96

In context: peer comparison

Among 5 peers in Billings Infectious Disease Physician, average services per provider: 50. This provider delivers 1.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
74
Patients
0
Total drug cost
$189,657
Drug Type Claims Patients Total cost
Biktarvy (Bictegrav/Emtricit/Tenofov Ala) Brand 31 0 $127,076
Cefazolin Sodium Generic 16 0 $905
Triumeq (Abacavir/Dolutegravir/Lamivudi) Brand 16 0 $61,559
Amoxicillin Generic 11 0 $117

Frequently asked questions

Auto-generated from federal data
What is Dr. Patricia Isabella Rondain's medical specialty?
Dr. Patricia Isabella Rondain practices Infectious Disease Physician in Billings, MT.
Where does Dr. Patricia Isabella Rondain practice?
Dr. Patricia Isabella Rondain practices at 801 N 29Th St, Billings, MT 591010905. Office phone: 4062382500.
What is Dr. Patricia Isabella Rondain's NPI?
Dr. Patricia Isabella Rondain's National Provider Identifier (NPI) is 1780160721, issued by NPPES.
Does Dr. Patricia Isabella Rondain accept Medicare assignment?
Yes. Dr. Patricia Isabella Rondain accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Patricia Isabella Rondain commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.