Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

John J Zajac, CRNA

Q: What is the NPI number for John Zajac?

The National Provider Identifier (NPI) for John Zajac is 1083660138, a Type 1 (individual) record in the CMS NPPES registry.

Certified Registered Nurse Anesthetist in Boardman, OH · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1083660138

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Registry record

Entity type Individual (Type 1)

Name John J Zajac

Credential CRNA

Sex Male

Practice address 6505 Market St, Building B, Boardman, OH, 44512

Phone (330) 758-1065

Fax (330) 286-5396

Enumeration date May 26, 2006

Last updated in NPPES Mar 15, 2016

Taxonomy & licenses

367500000X Certified Registered Nurse Anesthetist Physician Assistants & Advanced Practice Nursing Providers · License RN151392 (OH) Primary

367500000X Certified Registered Nurse Anesthetist Physician Assistants & Advanced Practice Nursing Providers · License RN347015L (PA) Secondary

CRNA · Certified Registered Nurse Anesthetist: An advanced practice nurse specializing in anesthesia care. About the CRNA credential

Other identifiers

Identifier	Type	State	Issuer
P01360510	Other	OH	MEDICARE RAILROAD
000000690230	Other	OH	ANTHEM BCBS
0824835	Medicaid	OH	-
8210996	Other	OH	MEDICARE PTAN

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 → Validate an NPI →

Frequently asked questions

What is the NPI number for John Zajac?

The National Provider Identifier (NPI) for John Zajac is 1083660138, a Type 1 (individual) record in the CMS NPPES registry.

Where does John Zajac practice?

The practice location on file with NPPES is in Boardman, OH. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

David Sansoterra Pediatric Emergency Medicine (Pediatrics) Physician · Boardman, OH NPI 1952301715 Scott Beichner Pediatrics Physician · Boardman, OH NPI 1376531434 Anita Hackstedde Internal Medicine Physician · Boardman, OH NPI 1457341877 Louis Brine Pediatrics Physician · Youngstown, OH NPI 1861483919 Firas Saker Specialist · Youngstown, OH NPI 1699766550 Elena Pal-Wal Pediatrics Physician · Boardman, OH NPI 1760454151 Aran Kongmuang Emergency Medical Services (Emergency Medicine) Physician · Boardman, OH NPI 1548237803 Swarajya Perni Diagnostic Radiology Physician · Youngstown, OH NPI 1164490603

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-03-15.