Onsite Health Ancillary Services
NPI 1497188692 · Internal Medicine Physician · Lincolnwood, IL
Onsite Health Ancillary Services is a Internal Medicine Physician organization in Lincolnwood, IL (NPI 1497188692).
Provider details
- NPI number
- 1497188692
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Parent organization
- Onsite Healthcare, Inc., Sc
- Organization subpart
- Yes
- Authorized official
- Issam Maatouk, President(847) 810-9095
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Family Medicine Physician207Q00000X
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
- Pain Medicine Physician208VP0000X
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 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
- 2013-08-12
- Last updated
- 2013-08-12
Frequently asked questions
- What is Onsite Health Ancillary Services's NPI number?
- Onsite Health Ancillary Services's National Provider Identifier (NPI) is 1497188692, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Onsite Health Ancillary Services?
- Onsite Health Ancillary Services is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Onsite Health Ancillary Services located?
- Onsite Health Ancillary Services's practice location on file with NPPES is 7301 N Lincoln Ave, Lincolnwood, IL 60712.
- What is Onsite Health Ancillary Services's phone number?
- The practice phone number listed in the NPPES registry for Onsite Health Ancillary Services is (708) 937-8125.
- Who is the authorized official for Onsite Health Ancillary Services?
- The authorized official listed on Onsite Health Ancillary Services's NPPES record is Issam Maatouk, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Onsite Health Ancillary Services's NPI active?
- Yes — Onsite Health Ancillary Services's NPI (1497188692) is active in the NPPES registry as of the last update on 2013-08-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.