Doctor profile · Federal record

Dr. Ralph Dunnigan, M.D.

Neurology Physician (CMS: Neurology) · Bismarck, ND

  • NPI 1932151586
  • Accepts Medicare
  • 37 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
401 N 9Th St
Bismarck, ND 585014530
(701) 712-4500

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
June 14, 2023
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
2084N0400X — NUCC code
State license (1)
North Dakota #6681

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1932151586. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
7,182
Distinct HCPCS
10
Medicare allowed
$148,215
HCPCS Description Services Patients Avg allowed
J0585 Injection, onabotulinumtoxina, 1 unit 6,175 13 $6
99213 Established patient office or other outpatient visit, 20-29 minutes 340 265 $88
99214 Established patient office or other outpatient visit, 30-39 minutes 301 225 $124
99215 Established patient office or other outpatient visit, 40-54 minutes 57 51 $177
99204 New patient office or other outpatient visit, 45-59 minutes 54 54 $161
99205 New patient office or other outpatient visit, 60-74 minutes 45 45 $216
99203 New patient office or other outpatient visit, 30-44 minutes 42 42 $110
95886 Needle measurement of electrical activity in arm or leg muscles, complete study 33 31 $97
99212 Established patient office or other outpatient visit, 10-19 minutes 30 28 $54
95909 Nerve conduction, 5-6 studies 27 27 $133

In context: peer comparison

Among 4 peers in this city , average services per provider: 211. This provider delivers 34× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,911
Patients
463
Total drug cost
$110,371
Drug Type Claims Patients Total cost
Carbidopa-Levodopa (Carbidopa/Levodopa) Brand 588 108 $36,249
Gabapentin Generic 391 65 $6,235
Levetiracetam Generic 387 64 $22,901
Topiramate Generic 197 29 $3,129
Donepezil Hcl Generic 186 39 $2,371
Lamotrigine Generic 185 25 $5,568
Primidone Generic 131 24 $5,714
Duloxetine Hcl Generic 125 18 $4,138
Oxcarbazepine Generic 114 15 $5,835
Pregabalin Generic 110 16 $3,548

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ralph Dunnigan's medical specialty?
Dr. Ralph Dunnigan practices Neurology Physician in Bismarck, ND.
Where does Dr. Ralph Dunnigan practice?
Dr. Ralph Dunnigan practices at 401 N 9Th St, Bismarck, ND 585014530. Office phone: 7017124500.
What is Dr. Ralph Dunnigan's NPI?
Dr. Ralph Dunnigan's National Provider Identifier (NPI) is 1932151586, issued by NPPES.
Does Dr. Ralph Dunnigan accept Medicare assignment?
Yes. Dr. Ralph Dunnigan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ralph Dunnigan commonly perform?
Top Medicare-reported procedures in 2023: Injection, onabotulinumtoxina, 1 unit (HCPCS J0585); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.