Barbara Loeb, MD
NPI 1619976396 · Internal Medicine Physician · Downers Grove, IL
Barbara Loeb, MD is a Internal Medicine Physician provider in Downers Grove, IL (NPI 1619976396).
Provider details
- NPI number
- 1619976396
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
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
21 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2005-07-15
- Last updated
- 2008-02-07
Frequently asked questions
- What is Barbara Loeb's NPI number?
- Barbara Loeb's National Provider Identifier (NPI) is 1619976396, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Barbara Loeb's specialty?
- Barbara Loeb is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Barbara Loeb located?
- Barbara Loeb's practice location on file with NPPES is 3825 Highland Ave, Downers Grove, IL 60515-1552.
- What is Barbara Loeb's phone number?
- The practice phone number listed in the NPPES registry for Barbara Loeb is (630) 963-9667.
- Is Barbara Loeb's NPI active?
- Yes — Barbara Loeb's NPI (1619976396) is active in the NPPES registry as of the last update on 2008-02-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.