NPPES file of Aug 9, 2026

Allison Kathleen Sullivan, DMD

General Practice Dentistry · Sycamore, IL

Allison Kathleen Sullivan, DMD is a general practice dentistry with a practice address in Sycamore, Illinois, and NPI 1639656788, issued on Jul 22, 2018. Check the license (Illinois 019.031739, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1639656788
Name
Allison Kathleen Sullivan
Credential
DMD
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
019.031739 IL
Self-reported in NPPES; status is on the state search
Practice location
2025 Aberdeen CT, Sycamore, IL 60178
Phone
(815) 758-3666
Enumerated
Jul 22, 2018
Record last updated
Jul 22, 2018 (not updated in 8 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2025 Aberdeen CT

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Dennis Collins, D.D.S.General Practice Dentistry1942420401
  2. Thomas Hensley, DDSDentist1932692274
  3. Darrin King, D.D.S.Dentist1689080954
  4. Mark Sloan, D.D.SGeneral Practice Dentistry1427169309
  5. Kenneth Trch, DDSGeneral Practice Dentistry1356551469
  6. Stephen Woodrick, DDSDentist1538333034

Verify Allison Kathleen Sullivan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 019.031739
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Illinois license search

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34% fewer Medicare Part D claims than the average general practice dentistry in 2024

55 Medicare Part D claims for 32 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Allison Sullivan55
  2. Specialty average83

Most prescribed

  1. Amoxicillin15 claims
  2. Clindamycin Hcl12 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.

Allison Kathleen Sullivan among 5,276 general practice dentistry records in Illinois

Allison Kathleen Sullivan, DMD is one of 5,276 general practice dentistry records with a practice address in Illinois. 64% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 80% of them.

  • NPI issued2018 · 80% of these records are older, 19% newer
  • In a Medicare fileYes · 64% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2018 · 75% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

12 general practice dentistry records list a practice address in Sycamore

They are 12 of the 549 NPPES records with a practice address in Sycamore, and 5,276 general practice dentistry records in Illinois.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Anthony Chulick, DDSSycamore, IL 601781558400960
  2. Dennis Collins, D.D.S.Sycamore, IL 601781942420401
  3. Kay Currey, DDSSycamore, IL 601781295874600
  4. Bryce Deter, D.D.S.Sycamore, IL 601781104046689
  5. Heather Maulson-Breuer, D.M.DSycamore, IL 601781699717892
  6. John McMillen, D.D.S.Sycamore, IL 601781730246646
  7. Michael Neglia, DMDSycamore, IL 601781811336647
  8. Mark Sloan, D.D.SSycamore, IL 601781427169309

Common questions

What is Allison Kathleen Sullivan, DMD's NPI number?

Allison Kathleen Sullivan, DMD's National Provider Identifier (NPI) is 1639656788, issued on Jul 22, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Allison Kathleen Sullivan, DMD located?

The NPPES record lists a practice address at 2025 Aberdeen CT, Sycamore, IL, 60178. Phone: (815) 758-3666. Providers update this record themselves, so call before visiting.

How can I verify Allison Kathleen Sullivan, DMD's license?

NPPES lists Illinois license number 019.031739, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Allison Kathleen Sullivan, DMD prescribe under Medicare Part D?

In 2024, Allison Kathleen Sullivan, DMD had 55 Medicare Part D claims for 32 beneficiaries; the average among general practice dentistry prescribers was 83. 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.