Doctor profile · Federal record

Dr. Patrick Tang, MD

Hematology & Oncology Physician (CMS: Medical Oncology) · Internal Medicine Physician · Great Falls, MT

  • NPI 1316109739
  • Accepts Medicare
  • MIPS 80.5 / 100 · 2023
  • 19 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1117 29Th St S, Benefis Sletten Cancer Center
Great Falls, MT 594055306
(406) 731-8200

Credentials & registration

NPPES · NUCC
NPI registered
June 2008 — 18 yrs on file
Profile last updated
April 5, 2024
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State licenses (2)
Montana #29006 · Arizona #R70152

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1316109739. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,483
Distinct HCPCS
8
Medicare allowed
$161,471
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 706 335 $97
99215 Established patient office or other outpatient visit, 40-54 minutes 318 128 $142
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 185 53 $79
99213 Established patient office or other outpatient visit, 20-29 minutes 76 69 $66
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 61 40 $119
99205 New patient office or other outpatient visit, 60-74 minutes 59 59 $181
99214 Established patient office or other outpatient visit, 30-39 minutes 47 18 $97
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 31 31 $173

In context: peer comparison

Among 2 peers in this city , average services per provider: 159. This provider delivers 9.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,119
Transactions
63
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
PFIZER INC. 19 $184.99
Incyte Corporation 8 $156.49
Merck Sharp & Dohme LLC 8 $133.00
AstraZeneca Pharmaceuticals LP 5 $87.85
ABBVIE INC. 3 $52.37
Astellas Pharma US Inc 3 $49.36
Daiichi Sankyo Inc. 3 $45.41
Sumitomo Pharma America, Inc. 2 $41.37
Eisai Inc. 2 $39.57
Genentech USA, Inc. 2 $38.77
Takeda Pharmaceuticals U.S.A., Inc. 2 $37.86
Janssen Biotech, Inc. 2 $36.83
E.R. Squibb & Sons, L.L.C. 2 $32.36
Gilead Sciences, Inc. 1 $16.56
Alnylam Pharmaceuticals Inc. 1 $15.98

By nature of payment

Food and Beverage
$1,035
Education
$84

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
725
Patients
147
Total drug cost
$199,472
Drug Type Claims Patients Total cost
Letrozole Generic 153 37 $2,739
Hydroxyurea Generic 94 11 $1,880
Levothyroxine Sodium Generic 81 24 $1,197
Prednisone Generic 72 22 $574
Eliquis (Apixaban) Brand 57 15 $60,150
Abiraterone Acetate Generic 39 0 $123,393
Prochlorperazine Maleate Generic 38 25 $582
Exemestane Generic 31 0 $5,227
Hydrocortisone Generic 30 0 $1,544
Gabapentin Generic 27 0 $203

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Patrick Tang's medical specialty?
Dr. Patrick Tang practices Hematology & Oncology Physician in Great Falls, MT.
Where does Dr. Patrick Tang practice?
Dr. Patrick Tang practices at 1117 29Th St S, Great Falls, MT 594055306. Office phone: 4067318200.
What is Dr. Patrick Tang's NPI?
Dr. Patrick Tang's National Provider Identifier (NPI) is 1316109739, issued by NPPES.
Does Dr. Patrick Tang accept Medicare assignment?
Yes. Dr. Patrick Tang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Patrick Tang 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); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.