Joseph Sandman-Siemen, CDCA
NPI 1639942675 · Addiction (Substance Use Disorder) Counselor · Columbus, OH
Joseph Sandman-Siemen, CDCA is a Addiction (Substance Use Disorder) Counselor provider in Columbus, OH (NPI 1639942675).
Provider details
- NPI number
- 1639942675
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- CDCA
- Sex
- Male
- Sole proprietor
- No
- License
- CDCA.184810 (OH)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Mailing address
Registry dates
- Enumerated
- 2023-11-01
- Last updated
- 2023-11-01
- Certified
- 2023-10-31
Frequently asked questions
- What is Joseph Sandman-Siemen's NPI number?
- Joseph Sandman-Siemen's National Provider Identifier (NPI) is 1639942675, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Sandman-Siemen's specialty?
- Joseph Sandman-Siemen is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Joseph Sandman-Siemen located?
- Joseph Sandman-Siemen's practice location on file with NPPES is 1289 E Livingston Ave, Columbus, OH 43205-2838.
- What is Joseph Sandman-Siemen's phone number?
- The practice phone number listed in the NPPES registry for Joseph Sandman-Siemen is (614) 502-7812.
- Is Joseph Sandman-Siemen's NPI active?
- Yes — Joseph Sandman-Siemen's NPI (1639942675) is active in the NPPES registry as of the last update on 2023-11-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.