John Edward Halversen Jr., D.D.S.

Dentist · Rockford, IL

Individual Active NPI

NPI number 1992919831

Practice location

1200 W State St
Rockford, IL 61102-2112
Phone
(815) 490-1600
Fax
(815) 490-1881

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NPI record

NPI
1992919831
Entity type
Individual (Type 1)
Enumeration date
May 10, 2007
Last updated
August 26, 2025
Certified
August 26, 2025
Sole proprietor
Yes

Specialties & taxonomy codes

TaxonomyCodeLicenseState
Dentist Primary 122300000X 019021620 IL
General Practice Dentistry 1223G0001X 019-021620 IL

About Dr. Halversen

John Edward Halversen Jr., D.D.S. is a healthcare provider registered in the NPI registry with the primary taxonomy Dentist (code 122300000X). The practice location is 1200 W State St, Rockford, IL 61102-2112. The NPI number 1992919831 was assigned on May 10, 2007 and the record was last updated on August 26, 2025.

Dr. Halversen lists 2 licenses in the registry: #019021620 (IL) for Dentist; #019-021620 (IL) for General Practice Dentistry. License numbers are self-reported to NPPES; verify them with the state licensing board.

Frequently asked questions

What is the NPI number of John Edward Halversen Jr., D.D.S.?

The NPI number is 1992919831.

What is the phone number of Dr. Halversen?

The phone number listed for the practice location is (815) 490-1600.

Where is Dr. Halversen located?

1200 W State St, Rockford, IL 61102-2112.

What is the taxonomy code for Dr. Halversen?

The primary taxonomy code is 122300000X – Dentist; 1 more listed above.

Is this information correct?

All details come from the public NPPES registry. Providers can update their record at nppes.cms.hhs.gov; changes appear here after the next weekly update.

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