Doctor profile · Federal record

Dr. John Koloski, D.C.

Chiropractor (CMS: Chiropractic) · Chiropractor · Arnold, MD

  • NPI 1235412859
  • Accepts Medicare
  • 15 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1460 Ritchie Hwy, Suite # 206
Arnold, MD 210122730
(410) 757-8989
fax (410) 757-9139
Mailing address
802 Stonehurst CT
Annapolis, MD 214094663

Credentials & registration

NPPES · NUCC
NPI registered
September 2011 — 15 yrs on file
Profile last updated
March 20, 2015
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
111N00000X — NUCC code
State licenses (2)
Maryland #S03718 · New York #X012084

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1235412859. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
162
Distinct HCPCS
1
Medicare allowed
$6,706
HCPCS Description Services Patients Avg allowed
98941 Chiropractic manipulative treatment, 3-4 spinal regions 162 19 $41

In context: peer comparison

Among 1 peers in Arnold Chiropractor, average services per provider: 162. This provider delivers 1.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. John Koloski's medical specialty?
Dr. John Koloski practices Chiropractor in Arnold, MD.
Where does Dr. John Koloski practice?
Dr. John Koloski practices at 1460 Ritchie Hwy, Arnold, MD 210122730. Office phone: 4107578989.
What is Dr. John Koloski's NPI?
Dr. John Koloski's National Provider Identifier (NPI) is 1235412859, issued by NPPES.
Does Dr. John Koloski accept Medicare assignment?
Yes. Dr. John Koloski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Koloski commonly perform?
Top Medicare-reported procedures in 2023: Chiropractic manipulative treatment, 3-4 spinal regions (HCPCS 98941). Source: CMS Medicare Physician & Other Practitioners file.