Oak Spring Medical Group Inc
NPI 1386660553 · Internal Medicine Physician · Libertyville, IL
Oak Spring Medical Group Inc is a Internal Medicine Physician organization in Libertyville, IL (NPI 1386660553).
Provider details
- NPI number
- 1386660553
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Jennifer Debruler, Owner(847) 968-2800
- License
- 036105592 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
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
Mailing address
Other names (DBA / former)
- Former legal business name
- Jennifer C Bare
Registry dates
- Enumerated
- 2006-07-14
- Last updated
- 2009-10-09
Frequently asked questions
- What is Oak Spring Medical Group Inc's NPI number?
- Oak Spring Medical Group Inc's National Provider Identifier (NPI) is 1386660553, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Oak Spring Medical Group Inc?
- Oak Spring Medical Group Inc is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Oak Spring Medical Group Inc located?
- Oak Spring Medical Group Inc's practice location on file with NPPES is 131 E Park Ave, Libertyville, IL 60048-2800.
- What is Oak Spring Medical Group Inc's phone number?
- The practice phone number listed in the NPPES registry for Oak Spring Medical Group Inc is (847) 968-2800.
- Who is the authorized official for Oak Spring Medical Group Inc?
- The authorized official listed on Oak Spring Medical Group Inc's NPPES record is Jennifer Debruler, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Oak Spring Medical Group Inc's NPI active?
- Yes — Oak Spring Medical Group Inc's NPI (1386660553) is active in the NPPES registry as of the last update on 2009-10-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.