Doctor profile · Federal record

Dr. Douglas Sullivant, MD

Neurology Physician (CMS: Neurology) · Quincy, IL

  • NPI 1467425603
  • Accepts Medicare
  • 36 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1025 Maine St
Quincy, IL 623014038
(217) 222-6550

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
February 12, 2010
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
2084N0400X — NUCC code
State license (1)
Illinois #036091522
Medicaid
IL #036091522

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1467425603. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
786
Distinct HCPCS
2
Medicare allowed
$101,863
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 645 448 $123
99204 New patient office or other outpatient visit, 45-59 minutes 141 141 $161

In context: peer comparison

Among 6 peers in this city , average services per provider: 754. This provider delivers 1.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,656
Transactions
181
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 46 $648.81
UCB, Inc. 12 $364.71
Lilly USA, LLC 12 $287.09
LivaNova USA, Inc. 9 $263.39
Celgene Corporation 28 $249.62
Neurocrine Biosciences, Inc. 11 $228.08
HARMONY BIOSCIENCES LLC 14 $165.13
Teva Pharmaceuticals USA, Inc. 10 $155.62
PFIZER INC. 9 $152.67
Eisai Inc. 5 $148.76
Sumitomo Pharma America, Inc. 7 $127.08
ARGENX US, INC. 4 $97.78
ACADIA Pharmaceuticals Inc 5 $94.88
SK Life Science, Inc. 5 $94.62
Lundbeck LLC 4 $85.58

By nature of payment

Food and Beverage
$3,656

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,818
Patients
443
Total drug cost
$125,515
Drug Type Claims Patients Total cost
Levetiracetam Generic 545 82 $25,177
Donepezil Hcl Generic 340 69 $5,582
Carbidopa-Levodopa (Carbidopa/Levodopa) Brand 303 56 $6,406
Memantine Hcl Generic 261 47 $9,857
Topiramate Generic 216 38 $3,701
Gabapentin Generic 215 39 $6,432
Lacosamide Generic 182 18 $25,760
Nortriptyline Hcl Generic 139 31 $3,946
Escitalopram Oxalate Generic 123 27 $1,446
Lamotrigine Generic 116 0 $1,862

Frequently asked questions

Auto-generated from federal data
What is Dr. Douglas Sullivant's medical specialty?
Dr. Douglas Sullivant practices Neurology Physician in Quincy, IL.
Where does Dr. Douglas Sullivant practice?
Dr. Douglas Sullivant practices at 1025 Maine St, Quincy, IL 623014038. Office phone: 2172226550.
What is Dr. Douglas Sullivant's NPI?
Dr. Douglas Sullivant's National Provider Identifier (NPI) is 1467425603, issued by NPPES.
Does Dr. Douglas Sullivant accept Medicare assignment?
Yes. Dr. Douglas Sullivant accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Douglas Sullivant commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.