NPPES file of Aug 9, 2026

Isaac N. Masters, DC

Rehabilitation Chiropractor · Naperville, IL

Isaac N. Masters, DC is a rehabilitation chiropractor with a practice address in Naperville, Illinois, and NPI 1699467308, issued on May 22, 2023. Check the license (Illinois 038.013990, 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.

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

NPPES recordNPPES file of Aug 9, 2026
1699467308
Name
Isaac N. Masters
Credential
DC
Primary taxonomy
Rehabilitation Chiropractor 111NR0400X
License number
038.013990 IL
Self-reported in NPPES; status is on the state search
Practice location
616 W 5TH Ave Ste A, Naperville, IL 60563
Phone
(217) 883-2178
Enumerated
May 22, 2023
Record last updated
May 22, 2023
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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8 nearest rehabilitation chiropractor records → All 83 in Illinois → Look up another NPI →

Also registered at 616 W 5TH Ave Ste A

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

  1. Theodore D'Amico, DCChiropractor1376202903

Verify Isaac N. Masters 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 038.013990    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
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Isaac N. Masters among 83 rehabilitation chiropractor records in Illinois

Isaac N. Masters, DC is one of 83 rehabilitation chiropractor records with a practice address in Illinois. 11% 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 2023, is newer than 94% of them.

  • NPI issued2023 · 94% of these records are older, 2% newer
  • In a Medicare fileNo · 11% of these records are
  • In the CMS Doctors and Clinicians fileNo · 24% of these records are
  • Record last updated2023 · 80% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 111NR0400X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Rehabilitation Chiropractor providers in Illinois

There are 83 rehabilitation chiropractor records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 83 in Illinois → Every provider in Naperville → Rehabilitation Chiropractor nationwide →

The 8 rehabilitation chiropractor records with the nearest ZIP codes

  1. Leah GuidolinNaperville, IL 605631225583529
  2. Christopher Kessler, D.C.Naperville, IL 605631457599029
  3. Chad Wasson, D.C.Naperville, IL 605631053469692
  4. Eric Andersen, D.C.Yorkville, IL 605601760725360
  5. Brian Berkey, D.C.Yorkville, IL 605601487733812
  6. David Leger, D.C.Montgomery, IL 605381093834079
  7. Casey Miller, D.C.La Grange, IL 605251215290598
  8. Tanya Freseth, D.C.Chicago, IL 606021154746469

Common questions

What is Isaac N. Masters, DC's NPI number?

Isaac N. Masters, DC's National Provider Identifier (NPI) is 1699467308, issued on May 22, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Isaac N. Masters, DC located?

The NPPES record lists a practice address at 616 W 5TH Ave Ste A, Naperville, IL, 60563. Phone: (217) 883-2178. Providers update this record themselves, so call before visiting.

How can I verify Isaac N. Masters, DC's license?

NPPES lists Illinois license number 038.013990, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.