Gregory Declark, D.C.
Chiropractor · Elmhurst, IL
Gregory Declark, D.C. is a chiropractor with a practice address in Elmhurst, Illinois, and NPI 1699288837, issued on Nov 9, 2017. Check the license (Illinois 038.013094, as entered in NPPES) with the Illinois board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Gregory Declark
- Credential
- D.C.
- Primary taxonomy
- Chiropractor 111N00000X
- License number
- 038.013094 IL
Self-reported in NPPES; status is on the state search - Practice location
- 477 S Spring RD, Elmhurst, IL 60126
- Phone
- (630) 530-0506
- Enumerated
- Nov 9, 2017
- Record last updated
- Jul 1, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190617002304); accepts Medicare assignment
- Medical or professional school
- Palmer College Chiropractic - Davenport, 2016
- Entity
- Type 1 · individual
8 nearest chiropractor records → All 4,524 in Illinois → Look up another NPI →
Also registered at 477 S Spring RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Edward Krys, DCChiropractor1568492296
- Corina Radu, D.M.D.Orthodontics and Dentofacial Orthopedics Dentistry1336263714
Verify Gregory Declark in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 038.013094Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Gregory Declark among 4,524 chiropractor records in Illinois
Gregory Declark, D.C. is one of 4,524 chiropractor records with a practice address in Illinois. 17% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2017, is newer than 81% of them.
- NPI issued2017 · 81% of these records are older, 17% newer
- In a Medicare fileNo · 17% of these records are
- In the CMS Doctors and Clinicians fileYes · 42% of these records are
- Graduated2016 · median 2004 among the 1,912 with a school on file
- Record last updated2019 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 111N00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
41 chiropractor records list a practice address in Elmhurst
They are 41 of the 1,540 NPPES records with a practice address in Elmhurst, and 4,524 chiropractor records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 4,524 in Illinois → Every provider in Elmhurst → Chiropractor nationwide →
The 8 chiropractor records with the nearest ZIP codes
- Linda Sue Breitenstein, DCElmhurst, IL 601261790889947
- James Czarnecki, DCElmhurst, IL 601261588760193
- Robert Donofrio, DCElmhurst, IL 601261972673796
- Anna Doyle, D.C.Elmhurst, IL 601261740298835
- Dawn Gaskey, DCElmhurst, IL 601261134120900
- Anthony Gentile, D.C.Elmhurst, IL 601261801808399
- Brian Karwowski, D.C.Elmhurst, IL 601261174692255
- Edward Krys, DCElmhurst, IL 601261568492296
Common questions
What is Gregory Declark, D.C.'s NPI number?
Gregory Declark, D.C.'s National Provider Identifier (NPI) is 1699288837, issued on Nov 9, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Declark, D.C. located?
The NPPES record lists a practice address at 477 S Spring RD, Elmhurst, IL, 60126. Phone: (630) 530-0506. Providers update this record themselves, so call before visiting.
How can I verify Gregory Declark, D.C.'s license?
NPPES lists Illinois license number 038.013094, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity 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. 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.