Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Christopher J Kaczmarski, M.D.
Surgery Physician in Nyack, NY · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1205866225
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Registry record
Entity type Individual (Type 1)
Name Christopher J Kaczmarski
Credential M.D.
Sex Male
Practice address 160 N Midland Ave Fl 2, Nyack, NY, 10960
Phone (845) 348-7600
Fax (845) 348-2536
Enumeration date Jul 4, 2006
Last updated in NPPES Jan 28, 2019
Taxonomy & licenses
207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License MD063400L (PA) Secondary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 01231790 | Medicaid | NY | - |
| J400523903 | Other | NY | MEDICARE |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Christopher Kaczmarski practice?
The practice location on file with NPPES is in Nyack, NY. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Christopher Kaczmarski?
The National Provider Identifier (NPI) for Christopher Kaczmarski is 1205866225, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-01-28.