What is Michael Williams's NPI number?

Michael Williams's National Provider Identifier (NPI) is 1598265845, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Michael Williams's specialty?

Michael Williams is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).

Where is Michael Williams located?

Michael Williams's practice location on file with NPPES is 1435 Cincinnati St, Dayton, OH 45417-4614.

What is Michael Williams's phone number?

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

Is Michael Williams's NPI active?

Yes — Michael Williams's NPI (1598265845) is active in the NPPES registry as of the last update on 2026-05-26.

IndividualActive

Michael Williams

NPI 1598265845 · Addiction (Substance Use Disorder) Counselor · Dayton, OH

Michael Williams is a Addiction (Substance Use Disorder) Counselor provider in Dayton, OH (NPI 1598265845).

Provider details

NPI number: 1598265845
Entity type: Individual
Primary specialty: Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
Sex: Male
Sole proprietor: Yes
License: CDCA.150931 (OH)

Specialties & taxonomies

Addiction (Substance Use Disorder) CounselorPrimary101YA0400XLicense CDCA.150931 (OH)
Behavioral Health & Social Service Providers

Profile Score

Detailed profile(78/100 index)

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

Registry tenure38% of score
8 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
11 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

1435 Cincinnati St

Dayton, OH 45417-4614

Phone: (513) 941-4999

Street-level locationGet directions

More OH providers

Mailing address

6460 Harrison Ave Ste 200

Cincinnati, OH 45247-7821

Additional practice locations (10)

6460 Harrison Ave
Cincinnati, OH 45247-7821
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
100 Highview Blvd
Columbus, OH 43207-6023
Phone: (513) 941-4999
160 N Breiel Blvd
Middletown, OH 45042-3806
Phone: (513) 941-4999
25 Whitney Dr
Milford, OH 45150-8402
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
1421 Parker Ct
Springfield, OH 45504-2855
Phone: (513) 941-4999
247 Cic Blvd

Enumerated: 2018-02-13
Last updated: 2026-05-26
Certified: 2026-05-26

Frequently asked questions

What is Michael Williams's NPI number?: Michael Williams's National Provider Identifier (NPI) is 1598265845, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Michael Williams's specialty?: Michael Williams is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
Where is Michael Williams located?: Michael Williams's practice location on file with NPPES is 1435 Cincinnati St, Dayton, OH 45417-4614.
What is Michael Williams's phone number?: The practice phone number listed in the NPPES registry for Michael Williams is (513) 941-4999.
Is Michael Williams's NPI active?: Yes — Michael Williams's NPI (1598265845) is active in the NPPES registry as of the last update on 2026-05-26.

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