Ryan Johnson, DMD

Periodontics · Oak Brook, IL

Individual Active NPI

NPI number 1447924808

Practice location

120 Oakbrook Ctr Ste 714
Oak Brook, IL 60523-1831
Phone
(630) 654-3331
Fax
(630) 954-2910

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NPI record

NPI
1447924808
Entity type
Individual (Type 1)
Enumeration date
August 9, 2021
Last updated
July 10, 2026
Certified
July 10, 2026
Sole proprietor
Yes

Specialties & taxonomy codes

TaxonomyCodeLicenseState
Periodontics Primary 1223P0300X 021.003528 IL

Mailing address

958 Kensington Dr
Northbrook, IL 60062-5975
Phone
(941) 914-5056

Other practice locations (3)

  • 23909 W Renwick Rd Ste 103, Plainfield, IL 60544-2109 · (815) 609-3636
  • 1641 N Milwaukee Ave Ste 3, Libertyville, IL 60048-1386 · (847) 349-4306
  • 720 Brom Ct Ste 102, Naperville, IL 60540-6533 · (630) 717-6717

About Dr. Johnson

Ryan Johnson, DMD is a healthcare provider registered in the NPI registry with the primary taxonomy Periodontics (code 1223P0300X). The practice location is 120 Oakbrook Ctr Ste 714, Oak Brook, IL 60523-1831. The NPI number 1447924808 was assigned on August 9, 2021 and the record was last updated on July 10, 2026.

Dr. Johnson lists a license in the registry: #021.003528 (IL) for Periodontics. License numbers are self-reported to NPPES; verify them with the state licensing board.

Frequently asked questions

What is the NPI number of Ryan Johnson, DMD?

The NPI number is 1447924808.

What is the phone number of Dr. Johnson?

The phone number listed for the practice location is (630) 654-3331.

Where is Dr. Johnson located?

120 Oakbrook Ctr Ste 714, Oak Brook, IL 60523-1831.

What is the taxonomy code for Dr. Johnson?

The primary taxonomy code is 1223P0300X – Periodontics.

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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