Doctor profile · Federal record

Dr. Deanna Niles, PA-C

Physician Assistant · Billings, MT

  • NPI 1881666261
  • Accepts Medicare
  • 22 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
123 S 27Th St
Billings, MT 591014227
(406) 967-2255
fax (405) 967-2251

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
March 7, 2023
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Montana #643MT

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881666261. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
42
Distinct HCPCS
1
Medicare allowed
$2,783
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 42 20 $66

In context: peer comparison

Among 47 peers in Billings Physician Assistant, average services per provider: 109. This provider delivers 0.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
699
Patients
190
Total drug cost
$8,090
Drug Type Claims Patients Total cost
Losartan Potassium Generic 101 34 $1,267
Rosuvastatin Calcium Generic 74 23 $899
Levothyroxine Sodium Generic 67 24 $600
Atorvastatin Calcium Generic 62 21 $714
Lisinopril Generic 60 19 $346
Metformin Hcl ER (Metformin Hcl) Brand 54 15 $598
Amlodipine Besylate Generic 50 18 $679
Hydrochlorothiazide Generic 43 13 $147
Pantoprazole Sodium Generic 30 0 $688
Furosemide Generic 28 11 $122

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Deanna Niles's medical specialty?
Dr. Deanna Niles practices Physician Assistant in Billings, MT.
Where does Dr. Deanna Niles practice?
Dr. Deanna Niles practices at 123 S 27Th St, Billings, MT 591014227. Office phone: 4069672255.
What is Dr. Deanna Niles's NPI?
Dr. Deanna Niles's National Provider Identifier (NPI) is 1881666261, issued by NPPES.
Does Dr. Deanna Niles accept Medicare assignment?
Yes. Dr. Deanna Niles accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Deanna Niles commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.