NPI Portal NPI Lookup & Verification

Mark J Cali, MS, RPA-C

Mark J Cali is a Physician Assistant provider (Physician Assistant) practicing in Oswego, NY, registered in the NPPES registry with NPI 1356440903 since 2006.

✓ Active NPI ✓ Valid NPI checksum Sole proprietor

NPI 1356440903
Entity type Individual (Type 1)
Name Mark J Cali
Credential MS, RPA-C
Sex Male
Practice address Oswego, NY, 13126
Phone 3153495511
Enumeration date 2006-09-21
Last updated in NPPES 2013-08-01

Street address withheld — NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

Taxonomy code Specialty Primary License State
363A00000X Physician Assistant Primary 011399 NY
Copy-ready billing details
Provider: Mark Cali, MS, RPA-C
NPI: 1356440903
Taxonomy: 363A00000X (Physician Assistant)
Address: Oswego, NY, 13126

Other providers at this practice address

NPI Name Type Specialty Location
1821080334 Ahmad Al-Salameh Individual Anatomic Pathology & Clinical Pathology Physician Oswego, NY
1205828712 Oswego Pathology, PC Organization Anatomic Pathology & Clinical Pathology Physician Oswego, NY
1447242953 Neera Seth Individual Anatomic Pathology & Clinical Pathology Physician Oswego, NY
1225021868 Oswego Radiology, PC Organization Diagnostic Radiology Physician Oswego, NY
1063405538 Mark Jackson Individual Diagnostic Radiology Physician Oswego, NY
1144204488 Cupid Gascon Individual Emergency Medicine Physician Oswego, NY
1336123405 Michael Natale Individual Anesthesiology Physician Oswego, NY
1487629846 Sudhir Guthikonda Individual Diagnostic Radiology Physician Oswego, NY

Verify this record

Cross-check NPI 1356440903 against the authoritative CMS record: view Mark J Cali on the official NPPES registry .

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. Read the full guide or validate an NPI number.

Frequently asked questions

Where does Mark Cali practice?
The practice location on file with NPPES is in Oswego, NY. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Mark Cali?
The National Provider Identifier (NPI) for Mark Cali is 1356440903, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2013-08-01.