Mariann Leahy, D.C.
Chiropractor · Palatine, IL
Mariann Leahy, D.C. is a chiropractor with a practice address in Palatine, Illinois, and NPI 1851436042, issued on Feb 21, 2007. Check the license (Illinois 038-009732, 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
- Mariann Leahy
- Credential
- D.C.
- Primary taxonomy
- Chiropractor 111N00000X
- License numbers
- 038-009732 IL
178.018730 IL
Self-reported in NPPES; status is on the state search - Practice location
- 60 W Illinois Ave, Palatine, IL 60067
- Phone
- (847) 221-2225
- Enumerated
- Feb 21, 2007
- Record last updated
- Jan 13, 2023
- Fax
- (847) 358-3544
- Medicare enrollment
- Enrolled (PECOS I20140605002216); accepts Medicare assignment
- Medical or professional school
- National College Of Chiropractic, 2002
- Entity
- Type 1 · individual
8 nearest chiropractor records → All 4,524 in Illinois → Look up another NPI →
Verify Mariann Leahy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 038-009732Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Mariann Leahy among 4,524 chiropractor records in Illinois
Mariann Leahy, 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 2007, is newer than 40% of them.
- NPI issued2007 · 40% of these records are older, 46% newer
- In a Medicare fileNo · 17% of these records are
- In the CMS Doctors and Clinicians fileYes · 42% of these records are
- Graduated2002 · median 2004 among the 1,912 with a school on file
- Record last updated2023 · 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).
30 chiropractor records list a practice address in Palatine
They are 30 of the 770 NPPES records with a practice address in Palatine, 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 Palatine → Chiropractor nationwide →
The 8 chiropractor records with the nearest ZIP codes
- Shaofen Ai, DC LACPalatine, IL 600671861597809
- Elizabeth Engel, D.C.Inverness, IL 600671407890627
- Ryan Felde, D.C.Palatine, IL 600671033436738
- Curtis Fischer, D.C.Palatine, IL 600671740229202
- Leo Gerdov, D.C.Palatine, IL 600671366760308
- Bruce Giffen, D.C.Palatine, IL 600671124241443
- Alicia Grundy, DCPalatine, IL 600671043381650
- Theodore Herazy, D.C.Palatine, IL 600671871715458
Common questions
What is Mariann Leahy, D.C.'s NPI number?
Mariann Leahy, D.C.'s National Provider Identifier (NPI) is 1851436042, issued on Feb 21, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mariann Leahy, D.C. located?
The NPPES record lists a practice address at 60 W Illinois Ave, Palatine, IL, 60067. Phone: (847) 221-2225. Providers update this record themselves, so call before visiting.
How can I verify Mariann Leahy, D.C.'s license?
NPPES lists Illinois license number 038-009732, 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.