Doctor profile · Federal record

Dr. Christopher Anzalone, D.O.

Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Billings, MT

  • NPI 1346604865
  • Accepts Medicare
  • 10 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2900 12Th Ave N Ste 204E
Billings, MT 591017502
(484) 332-4978
Additional location
937 Highland Blvd Ste 5510
Bozeman, MT 597156916
(406) 414-3959

Credentials & registration

NPPES · NUCC
NPI registered
April 2016 — 10 yrs on file
Profile last updated
January 21, 2026
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State license (1)
Montana #MED-PHYS-LIC-103445

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1346604865. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,094
Distinct HCPCS
10
Medicare allowed
$178,880
HCPCS Description Services Patients Avg allowed
J0461 Injection, atropine sulfate, 0.01 mg 1,075 15 $0
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 259 250 $194
Q9957 Injection, perflutren lipid microspheres, per ml 215 106 $43
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 205 199 $67
99215 Established patient office or other outpatient visit, 40-54 minutes 163 131 $177
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 140 136 $14
99214 Established patient office or other outpatient visit, 30-39 minutes 92 85 $126
99204 New patient office or other outpatient visit, 45-59 minutes 74 74 $163
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 61 53 $8
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 58 57 $171

In context: peer comparison

Among 2 peers in Billings Cardiovascular Disease Physician, average services per provider: 152. This provider delivers 20× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$65
Transactions
4
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 3 $47.74
E.R. Squibb & Sons, L.L.C. 1 $17.34

By nature of payment

Food and Beverage
$65

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
995
Patients
313
Total drug cost
$128,372
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 158 47 $503
Metoprolol Succinate Generic 156 64 $2,532
Spironolactone Generic 114 36 $870
Jardiance (Empagliflozin) Brand 80 24 $74,853
Atorvastatin Calcium Generic 68 21 $695
Metoprolol Tartrate Generic 65 19 $347
Isosorbide Mononitrate ER (Isosorbide Mononitrate) Brand 56 17 $874
Carvedilol Generic 55 18 $630
Furosemide Generic 51 13 $200
Diltiazem 24Hr ER (Cd) (Diltiazem Hcl) Brand 42 13 $1,497

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Christopher Anzalone's medical specialty?
Dr. Christopher Anzalone practices Cardiovascular Disease Physician in Billings, MT.
Where does Dr. Christopher Anzalone practice?
Dr. Christopher Anzalone practices at 2900 12Th Ave N Ste 204E, Billings, MT 591017502. Office phone: 4843324978.
What is Dr. Christopher Anzalone's NPI?
Dr. Christopher Anzalone's National Provider Identifier (NPI) is 1346604865, issued by NPPES.
Does Dr. Christopher Anzalone accept Medicare assignment?
Yes. Dr. Christopher Anzalone accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christopher Anzalone commonly perform?
Top Medicare-reported procedures in 2023: Injection, atropine sulfate, 0.01 mg (HCPCS J0461); Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS 93306); Injection, perflutren lipid microspheres, per ml (HCPCS Q9957). Source: CMS Medicare Physician & Other Practitioners file.