Doctor profile · Federal record

Dr. Nicholas Wittwer, P.A.

Physician Assistant · St George, UT

  • NPI 1013341965
  • Accepts Medicare
  • 13 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 8 locations across 2 states.

NPPES Updated May 11, 2026
Primary practice
2825 E Mall Dr
St George, UT 847901954
(435) 251-0400
fax (435) 251-0401
Mailing address
1055 North 500 West, Attn: Credentialing
Provo, UT 846043305
Utah — 5 locations
Additional location
1059 N 100 W
Beaver, UT 847137758
(435) 383-9009
Additional location
1320 N Main St
Cedar City, UT 847211229
(435) 251-2900
Additional location
1870 N Main St Ste 201
Cedar City, UT 847217742
(435) 383-9009
fax (435) 383-9010
Additional location
2121 N 1700 W
Layton, UT 840418803
(801) 773-4840
fax (801) 525-8151
Additional location
355 N Main St
Kanab, UT 847413260
(435) 251-2900
fax (435) 251-2901
Nevada — 2 locations
Additional location
330 Falcon Ridge Pkwy Ste 400A
Mesquite, NV 890278881
(435) 251-2900
Additional location
350 Falcon Ridge Pkwy Ste 500
Mesquite, NV 890278878
(725) 333-9026
fax (725) 333-9027

Credentials & registration

NPPES · NUCC
NPI registered
August 2013 — 13 yrs on file
Profile last updated
September 15, 2021
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Utah #7604350-1206

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1013341965. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,976
Distinct HCPCS
10
Medicare allowed
$108,725
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 727 514 $104
85610 Blood test, clotting time 346 46 $4
93793 Anticoagulant management of patient taking warfarin 340 45 $9
93280 Programming of dual lead pacemaker system 175 108 $65
G0250 Physician review, interpretation, and patient management of home inr testing for patient with either mechanical heart valve(s), chronic atrial fibrillation, or venous thromboembolism who meets medicare coverage criteria; testing not occurring more frequent 103 31 $7
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 44 32 $65
93279 Programming of single lead pacemaker system 37 27 $55
36415 Insertion of needle into vein for collection of blood sample 32 29 $8
93284 Programming of multiple lead implantable defibrillator system 26 20 $84
93285 Programming of cardiac rhythm monitor system 26 20 $49

In context: peer comparison

Among 33 peers in St George Physician Assistant, average services per provider: 118. This provider delivers 17× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$248
Transactions
17
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 12 $153.28
Boston Scientific Corporation 2 $42.89
Abbott Laboratories 2 $29.87
Pfizer INC. 1 $21.58

By nature of payment

Food and Beverage
$248

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,468
Patients
1,010
Total drug cost
$606,085
Drug Type Claims Patients Total cost
Metoprolol Succinate Generic 418 173 $9,230
Eliquis (Apixaban) Brand 322 98 $409,350
Atorvastatin Calcium Generic 228 99 $3,227
Losartan Potassium Generic 190 77 $2,910
Carvedilol Generic 147 68 $1,739
Spironolactone Generic 146 61 $1,683
Warfarin Sodium Generic 141 51 $3,442
Amlodipine Besylate Generic 140 62 $1,365
Furosemide Generic 121 60 $811
Xarelto (Rivaroxaban) Brand 114 42 $165,044

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nicholas Wittwer's medical specialty?
Dr. Nicholas Wittwer practices Physician Assistant in St George, UT.
Where does Dr. Nicholas Wittwer practice?
Dr. Nicholas Wittwer practices at 2825 E Mall Dr, St George, UT 847901954. Office phone: 4352510400.
What is Dr. Nicholas Wittwer's NPI?
Dr. Nicholas Wittwer's National Provider Identifier (NPI) is 1013341965, issued by NPPES.
Does Dr. Nicholas Wittwer accept Medicare assignment?
Yes. Dr. Nicholas Wittwer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nicholas Wittwer commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Blood test, clotting time (HCPCS 85610); Anticoagulant management of patient taking warfarin (HCPCS 93793). Source: CMS Medicare Physician & Other Practitioners file.