On-Site Physicians LLC
NPI 1558634188 · Gerontology Nurse Practitioner · Kettering, OH
On-Site Physicians LLC is a Gerontology Nurse Practitioner organization in Kettering, OH (NPI 1558634188).
Provider details
- NPI number
- 1558634188
- Entity type
- Organization
- Primary specialty
- Gerontology Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Organization subpart
- No
- Authorized official
- Alfred Lefeld, Cfo(937) 395-3023
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
- Adult Health Nurse Practitioner363LA2200X
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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
- 2012-02-13
- Last updated
- 2012-02-13
Frequently asked questions
- What is On-Site Physicians LLC's NPI number?
- On-Site Physicians LLC's National Provider Identifier (NPI) is 1558634188, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is On-Site Physicians LLC?
- On-Site Physicians LLC is classified in the NPPES registry as Gerontology Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is On-Site Physicians LLC located?
- On-Site Physicians LLC's practice location on file with NPPES is 1251 E Dorothy Ln, Kettering, OH 45419-2106.
- What is On-Site Physicians LLC's phone number?
- The practice phone number listed in the NPPES registry for On-Site Physicians LLC is (937) 395-3023.
- Who is the authorized official for On-Site Physicians LLC?
- The authorized official listed on On-Site Physicians LLC's NPPES record is Alfred Lefeld, Cfo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is On-Site Physicians LLC's NPI active?
- Yes — On-Site Physicians LLC's NPI (1558634188) is active in the NPPES registry as of the last update on 2012-02-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.