DR. JOHN FRANCIS KOLOSKI D.C.
NPI 1235412859
Chiropractor in Arnold, MD
About Dr. John Francis Koloski D.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN FRANCIS KOLOSKI D.C. (NPI 1235412859) is an individual chiropractor in Arnold, Maryland, licensed in Maryland (S03718) and active in the NPI registry since September 2011. He is a graduate of Other (2011).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. John Francis Koloski D.c. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show John Koloski reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Annapolis, MD 21401
- Reassigned Medicare billing, Maryland enrollment
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Other Providers at the Same Location NPPES 18
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ARNOLD, MD 21012
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is John Koloski's NPI number?
The NPI number for John Koloski is 1235412859. It was assigned to this individual provider in the NPPES registry on September 20, 2011.
Where is John Koloski located?
John Koloski practices at 1460 Ritchie Hwy Suite # 206, Arnold, MD 21012. The listed phone number is (410) 757-8989.
What is John Koloski's specialty?
The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.
Is John Koloski enrolled in Medicare?
Yes. John Koloski is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for John Koloski's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Koloski reassigns Medicare benefits to Dr. Koloski Chiropractic, LLC (Annapolis, MD). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for John Koloski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for John Koloski was last updated on March 20, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. John Francis Koloski, D.C. · NPI 1235412859
Chiropractor provider in Arnold, Maryland. Individual provider, active in the CMS NPPES registry since September 20, 2011.
## Identity
- **NPI:** 1235412859 (Entity type: Individual)
- **Enumerated:** September 20, 2011
- **Primary specialty:** Chiropractor · taxonomy 111N00000X
- **State license:** S03718 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 1460 RITCHIE HWY, SUITE # 206, Arnold, MD 21012-2730
- **Phone:** (410) 757-8989 · **Fax:** (410) 757-9139
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** Dr. Koloski Chiropractic, LLC (NPI 1396407342, Annapolis, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** March 20, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1235412859) · Data from the CMS NPPES public registry.