Douglas N. Sullivant, MD
Neurology Physician · Quincy, IL
Douglas N. Sullivant, MD is a neurology physician with a practice address in Quincy, Illinois, and NPI 1467425603, issued on Feb 8, 2006. Check the license (Illinois 036091522, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Douglas N. Sullivant
- Credential
- MD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- 036091522 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1025 Maine St, Quincy, IL 62301
- Phone
- (217) 222-6550
- Enumerated
- Feb 8, 2006
- Record last updated
- Feb 12, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicaid ID
- 036091522 IL
- Medicare enrollment
- Enrolled (PECOS I20100423000223); accepts Medicare assignment
- Medical or professional school
- University Of Missouri, Columbia School Of Medicine, 1990
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 952 in Illinois → Look up another NPI →
Also registered at 1025 Maine St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Amanda Adams, OTOccupational Therapist1205038213
- Erin Adams, MOTR/LOccupational Therapist1144453416
- Tawny Allen, DOFamily Medicine Physician1255319844
- Dana Altman, DOFamily Medicine Physician1043298532
- Halley Anderson, DOGeriatric Medicine (Family Medicine) Physician1427495803
Verify Douglas N. Sullivant in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036091522Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average neurology physician in 2024
3,580 Medicare Part D claims for 422 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Levetiracetam569 claims
- Donepezil Hcl350 claims
- Carbidopa-Levodopa324 claims
- Memantine Hcl251 claims
- Gabapentin208 claims
- Topiramate183 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $3,655.57
206 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 10,858 providers of this specialty with any payment received $8,318.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Quincy Physicians And Surgeons Clinic, PLLCQuincy, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Douglas N. Sullivant among 952 neurology physician records in Illinois
Douglas N. Sullivant, MD is one of 952 neurology physician records with a practice address in Illinois. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 68% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1990 · median 2006 among the 573 with a school on file
- Record last updated2010 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in Illinois
There are 952 neurology physician records in Illinois.
All 952 in Illinois → Every provider in Quincy → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Andrew Ackell, MDQuincy, IL 623011942793237
- Muhammad Arshid, M.DQuincy, IL 623011043892631
- Austin Hake, M.D.Quincy, IL 623011003077389
- Linda Johnson, M.D.Quincy, IL 623011083687578
- Ahmed JouanQuincy, IL 623011043766314
- Daniel Kimple, MDQuincy, IL 623011699030551
- James Won, MDQuincy, IL 623011245340439
- Roula Al-Dahhak, M.D.O Fallon, IL 622691033116165
Common questions
What is Douglas N. Sullivant, MD's NPI number?
Douglas N. Sullivant, MD's National Provider Identifier (NPI) is 1467425603, issued on Feb 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Douglas N. Sullivant, MD located?
The NPPES record lists a practice address at 1025 Maine St, Quincy, IL, 62301. Phone: (217) 222-6550. Providers update this record themselves, so call before visiting.
How can I verify Douglas N. Sullivant, MD's license?
NPPES lists Illinois license number 036091522, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Douglas N. Sullivant, MD prescribe under Medicare Part D?
In 2024, Douglas N. Sullivant, MD had 3,580 Medicare Part D claims for 422 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.