OrganizationActive
Drs. Marc Lewis & Thomas Niederhelman LLC
NPI 1518090661 · General Practice Dentistry · Dayton, OH
Drs. Marc Lewis & Thomas Niederhelman LLC is a General Practice Dentistry organization in Dayton, OH (NPI 1518090661).
Provider details
- NPI number
- 1518090661
- Entity type
- Organization
- Primary specialty
- General Practice DentistryDental Providers
- Organization subpart
- No
- Authorized official
- Marc Lewis, President(937) 890-1102
- License
- 21427 (OH)
Specialties & taxonomies
Dental Providers
Profile Score
Detailed profile(89/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
8459 N Main St
Dayton, OH 45415-1379
Phone: (937) 890-1102
Fax: (937) 264-9550
Street-level locationGet directions
Mailing address
8459 N Main St
Dayton, OH 45415-1379
Registry dates
- Enumerated
- 2007-03-14
- Last updated
- 2008-03-03
Frequently asked questions
- What is Drs. Marc Lewis & Thomas Niederhelman LLC's NPI number?
- Drs. Marc Lewis & Thomas Niederhelman LLC's National Provider Identifier (NPI) is 1518090661, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Drs. Marc Lewis & Thomas Niederhelman LLC?
- Drs. Marc Lewis & Thomas Niederhelman LLC is classified in the NPPES registry as General Practice Dentistry (Dental Providers).
- Where is Drs. Marc Lewis & Thomas Niederhelman LLC located?
- Drs. Marc Lewis & Thomas Niederhelman LLC's practice location on file with NPPES is 8459 N Main St, Dayton, OH 45415-1379.
- What is Drs. Marc Lewis & Thomas Niederhelman LLC's phone number?
- The practice phone number listed in the NPPES registry for Drs. Marc Lewis & Thomas Niederhelman LLC is (937) 890-1102.
- Who is the authorized official for Drs. Marc Lewis & Thomas Niederhelman LLC?
- The authorized official listed on Drs. Marc Lewis & Thomas Niederhelman LLC's NPPES record is Marc Lewis, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Drs. Marc Lewis & Thomas Niederhelman LLC's NPI active?
- Yes — Drs. Marc Lewis & Thomas Niederhelman LLC's NPI (1518090661) is active in the NPPES registry as of the last update on 2008-03-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.