Doctor profile · Federal record

Dr. Ronald Sims, M.D.

Neurology Physician (CMS: Neurology) · Sleep Medicine (Psychiatry & Neurology) Physician · Dubuque, IA

  • NPI 1639138837
  • Accepts Medicare
  • 44 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2140 John F Kennedy RD, Suite C
Dubuque, IA 520023883
(563) 583-1558
fax (563) 583-0443

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
December 18, 2012
Year of graduation
1982 — 44 yrs since
Specialty taxonomy
2084N0400X — NUCC code
State license (1)
Iowa #27457
Medicaid
IA #7296137

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639138837. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
533
Distinct HCPCS
8
Medicare allowed
$63,068
HCPCS Description Services Patients Avg allowed
95886 Needle measurement of electrical activity in arm or leg muscles, complete study 199 128 $89
99214 Established patient office or other outpatient visit, 30-39 minutes 82 61 $119
95911 Nerve conduction, 9-10 studies 64 63 $197
99203 New patient office or other outpatient visit, 30-44 minutes 43 43 $102
99213 Established patient office or other outpatient visit, 20-29 minutes 43 41 $84
99204 New patient office or other outpatient visit, 45-59 minutes 40 40 $154
95909 Nerve conduction, 5-6 studies 34 34 $123
95910 Nerve conduction, 7-8 studies 28 27 $163

In context: peer comparison

Among 2 peers in Dubuque Neurology Physician, average services per provider: 59. This provider delivers 9.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
562
Patients
49
Total drug cost
$21,155
Drug Type Claims Patients Total cost
Gabapentin Generic 98 27 $2,281
Levetiracetam Generic 94 22 $5,245
Topiramate Generic 72 0 $1,271
Carbidopa-Levodopa (Carbidopa/Levodopa) Brand 54 0 $1,461
Nortriptyline Hcl Generic 33 0 $368
Donepezil Hcl Generic 32 0 $456
Duloxetine Hcl Generic 25 0 $616
Lamotrigine ER (Lamotrigine) Brand 23 0 $3,307
Levetiracetam ER (Levetiracetam) Brand 23 0 $1,050
Pramipexole Dihydrochloride (Pramipexole di-Hcl) Brand 22 0 $383

Frequently asked questions

Auto-generated from federal data
What is Dr. Ronald Sims's medical specialty?
Dr. Ronald Sims practices Neurology Physician in Dubuque, IA.
Where does Dr. Ronald Sims practice?
Dr. Ronald Sims practices at 2140 John F Kennedy RD, Dubuque, IA 520023883. Office phone: 5635831558.
What is Dr. Ronald Sims's NPI?
Dr. Ronald Sims's National Provider Identifier (NPI) is 1639138837, issued by NPPES.
Does Dr. Ronald Sims accept Medicare assignment?
Yes. Dr. Ronald Sims accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ronald Sims commonly perform?
Top Medicare-reported procedures in 2023: Needle measurement of electrical activity in arm or leg muscles, complete study (HCPCS 95886); Established patient office or other outpatient visit (HCPCS 99214); Nerve conduction, 9-10 studies (HCPCS 95911). Source: CMS Medicare Physician & Other Practitioners file.