What is John Mezger's NPI number?

John Mezger's National Provider Identifier (NPI) is 1134745029, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is John Mezger's specialty?

John Mezger is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).

Where is John Mezger located?

John Mezger's practice location on file with NPPES is 100 Highview Blvd, Columbus, OH 43207-6023.

What is John Mezger's phone number?

The practice phone number listed in the NPPES registry for John Mezger is (513) 941-4999.

Is John Mezger's NPI active?

Yes — John Mezger's NPI (1134745029) is active in the NPPES registry as of the last update on 2024-11-01.

IndividualActive

John Mezger, CDCA, LSW

NPI 1134745029 · Social Worker · Columbus, OH

John Mezger, CDCA, LSW is a Social Worker provider in Columbus, OH (NPI 1134745029).

Provider details

NPI number: 1134745029
Entity type: Individual
Primary specialty: Social WorkerBehavioral Health & Social Service Providers
Credential: CDCA, LSW
Sex: Male
Sole proprietor: No
License: S.2411242 (OH)

Specialties & taxonomies

Social WorkerPrimary104100000XLicense S.2411242 (OH)
Behavioral Health & Social Service Providers
Addiction (Substance Use Disorder) Counselor101YA0400XLicense CDCA.177028 (OH)
Behavioral Health & Social Service Providers

Profile Score

Established profile(73/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
6 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
12 documented practice locations

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

100 Highview Blvd

Columbus, OH 43207-6023

Phone: (513) 941-4999

Fax: (513) 694-0168

Street-level locationGet directions

More OH providers

Mailing address

6460 Harrison Ave Ste 200

Cincinnati, OH 45247-7958

Additional practice locations (11)

7075 Industrial Rd Ste a
Florence, KY 41042-3053
Phone: (513) 941-4999
6460 Harrison Ave Ste 200
Cincinnati, OH 45247-7958
Phone: (513) 941-4999
1718 Central Pkwy
Cincinnati, OH 45214-2355
Phone: (513) 941-4999
680 Northland Blvd
Cincinnati, OH 45240-3248
Phone: (513) 941-4999
1435 Cincinnati St
Dayton, OH 45417-4614
Phone: (513) 941-4999
160 N Breiel Blvd
Middletown, OH 45042-3806
Phone: (513) 941-4999
25 Whitney Dr Ste 122
Milford, OH 45150-8400
Phone: (513) 941-4999
1130 Garbry Rd
Piqua, OH 45356-8217
Phone: (513) 941-4999
1907 11th St
Portsmouth, OH 45662-4531
Phone: (513) 941-4999

Enumerated: 2020-06-17
Last updated: 2024-11-01
Certified: 2024-11-01

Frequently asked questions

What is John Mezger's NPI number?: John Mezger's National Provider Identifier (NPI) is 1134745029, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is John Mezger's specialty?: John Mezger is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
Where is John Mezger located?: John Mezger's practice location on file with NPPES is 100 Highview Blvd, Columbus, OH 43207-6023.
What is John Mezger's phone number?: The practice phone number listed in the NPPES registry for John Mezger is (513) 941-4999.
Is John Mezger's NPI active?: Yes — John Mezger's NPI (1134745029) is active in the NPPES registry as of the last update on 2024-11-01.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.