Doctor profile · Federal record

Dr. William Phillips, M.D.

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

  • NPI 1831190685
  • Accepts Medicare
  • 33 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2223 Mission Way
Billings, MT 591020160
(406) 237-8989
fax (406) 237-8990

Credentials & registration

NPPES · NUCC
NPI registered
August 2005 — 21 yrs on file
Profile last updated
February 6, 2014
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Montana #12355

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831190685. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,176
Distinct HCPCS
10
Medicare allowed
$85,309
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 366 227 $93
99215 Established patient office or other outpatient visit, 40-54 minutes 248 140 $104
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 217 217 $52
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 86 16 $1
98925 Osteopathic manipulative treatment, 1-2 body regions 65 52 $31
99213 Established patient office or other outpatient visit, 20-29 minutes 64 56 $75
G0008 Administration of influenza virus vaccine 31 31 $30
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 30 29 $14
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 23 23 $76
20610 Aspiration and/or injection of fluid from large joint 21 16 $65

In context: peer comparison

Among 28 peers in Billings Family Medicine Physician, average services per provider: 74. This provider delivers 16× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$18
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Lilly USA, LLC 1 $18.10

By nature of payment

Food and Beverage
$18

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,421
Patients
964
Total drug cost
$165,933
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 374 104 $2,308
Atorvastatin Calcium Generic 360 98 $3,879
Levothyroxine Sodium Generic 285 76 $3,851
Losartan Potassium Generic 258 76 $3,369
Lisinopril Generic 244 68 $2,005
Potassium Chloride Generic 225 69 $8,147
Gabapentin Generic 212 68 $3,407
Simvastatin Generic 212 64 $1,939
Omeprazole Generic 198 61 $2,407
Metformin Hcl ER (Metformin Hcl) Brand 196 61 $2,618

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Phillips's medical specialty?
Dr. William Phillips practices Family Medicine Physician in Billings, MT.
Where does Dr. William Phillips practice?
Dr. William Phillips practices at 2223 Mission Way, Billings, MT 591020160. Office phone: 4062378989.
What is Dr. William Phillips's NPI?
Dr. William Phillips's National Provider Identifier (NPI) is 1831190685, issued by NPPES.
Does Dr. William Phillips accept Medicare assignment?
Yes. Dr. William Phillips accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Phillips commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.