Doctor profile · Federal record

Dr. PATRICK MASTIN, MD

Rheumatology Physician · KNOXVILLE, TN

  • NPI 1811251655
  • 14 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
8975 EXECUTIVE PARK DR STE 200
KNOXVILLE, TN 379234727
(865) 691-4100
fax (833) 908-2116
Mailing address
1275 DICK LONAS RD UNIT 101
KNOXVILLE, TN 379091383

Credentials & registration

NPPES · NUCC
NPI registered
June 2012 — 14 yrs on file
Profile last updated
July 20, 2021
Specialty taxonomy
207RR0500X — NUCC code
State license (1)
Tennessee #51030

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811251655. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
21,427
Distinct HCPCS
10
Medicare allowed
$279,763
HCPCS Description Services Patients Avg allowed
J0717 Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) 15,200 22 $5
J1602 Injection, golimumab, 1 mg, for intravenous use 2,350 12 $14
J0129 Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) 1,750 13 $43
36415 Insertion of needle into vein for collection of blood sample 406 344 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 384 311 $117
80053 Blood test, comprehensive group of blood chemicals 184 176 $10
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 181 175 $7
73120 X-ray of hand, 2 views 142 71 $28
86140 Measurement c-reactive protein for detection of infection or inflammation 142 140 $5
99213 Established patient office or other outpatient visit, 20-29 minutes 136 129 $82

In context: peer comparison

Among 5 peers in this city , average services per provider: 648. This provider delivers 33× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$50
Transactions
3
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 1 $17.80
Amgen Inc. 1 $16.85
Aurinia Pharma U.S., Inc. 1 $14.92

By nature of payment

Food and Beverage
$50

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,497
Patients
664
Total drug cost
$343,254
Drug Type Claims Patients Total cost
Methotrexate (Methotrexate Sodium) Brand 296 153 $10,936
Prednisone Generic 277 120 $2,999
Hydroxychloroquine Sulfate Generic 271 124 $12,435
Meloxicam Generic 105 52 $585
Gabapentin Generic 82 30 $717
Celecoxib Generic 70 28 $2,482
Leflunomide Generic 70 33 $3,543
Baclofen Generic 47 19 $651
Allopurinol Generic 43 20 $465
Cyclobenzaprine Hcl Generic 43 15 $511