John Francis Koloski, D.C.
Chiropractor · Arnold, MD
John Francis Koloski, D.C. is a chiropractor with a practice address in Arnold, Maryland, and NPI 1235412859, issued on Sep 20, 2011. Check the license (Maryland S03718, as entered in NPPES) with the Maryland board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John Francis Koloski
- Credential
- D.C.
- Primary taxonomy
- Chiropractor 111N00000X
- License numbers
- S03718 MD
X012084 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1460 Ritchie Hwy, Arnold, MD 21012
- Phone
- (410) 757-8989
- Enumerated
- Sep 20, 2011
- Record last updated
- Mar 20, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (410) 757-9139
- Medicare enrollment
- Enrolled (PECOS I20150520000568); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest chiropractor records → All 881 in Maryland → Look up another NPI →
Also registered at 1460 Ritchie Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Samuel GerthPharmacist1487046355
Verify John Francis Koloski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license S03718Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John Francis Koloski among 881 chiropractor records in Maryland
John Francis Koloski, D.C. is one of 881 chiropractor records with a practice address in Maryland. 21% 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 2011, is newer than 64% of them.
- NPI issued2011 · 64% of these records are older, 33% newer
- In a Medicare fileNo · 21% of these records are
- In the CMS Doctors and Clinicians fileYes · 44% of these records are
- Graduated2011 · median 2001 among the 391 with a school on file
- Record last updated2015 · 73% 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 chiropractor records list a practice address in Arnold
They are 5 of the 307 NPPES records with a practice address in Arnold, and 881 chiropractor records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 881 in Maryland → Every provider in Arnold → Chiropractor nationwide →
The 8 chiropractor records with the nearest ZIP codes
- Diane Kelly, D.C.Arnold, MD 210121578582375
- Daren Osborn, D.C.Arnold, MD 210121023024072
- David Sortisio, DCArnold, MD 210121932285350
- Jenna Sortisio, DCArnold, MD 210121770418873
- Nicholas Campanella, DCBel Air, MD 210141205984747
- Ryan Cappelletti, D.C.Bel Air, MD 210141952300758
- Craig Chavis, D.C.Bel Air, MD 210141528132115
- Evan Christman, D.C.Bel Air, MD 210141780713263
Common questions
What is John Francis Koloski, D.C.'s NPI number?
John Francis Koloski, D.C.'s National Provider Identifier (NPI) is 1235412859, issued on Sep 20, 2011. An NPI identifies a provider in billing; it is not a license.
Where is John Francis Koloski, D.C. located?
The NPPES record lists a practice address at 1460 Ritchie Hwy, Arnold, MD, 21012. Phone: (410) 757-8989. Providers update this record themselves, so call before visiting.
How can I verify John Francis Koloski, D.C.'s license?
NPPES lists Maryland license number S03718, as entered by the provider. Search the Maryland 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.