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Gerald Lumer, M.D.
NPI 1326311424 · Internal Medicine Physician · Chicago, IL
Gerald Lumer, M.D. is a Internal Medicine Physician provider in Chicago, IL (NPI 1326311424).
Provider details
- NPI number
- 1326311424
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD035944 (DC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(80/100 index)
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
332 S Michigan Ave
Suite 1300
Chicago, IL 60604-4434
Phone: (312) 322-0271
Fax: (312) 322-0218
Street-level locationGet directions
Mailing address
332 S Michigan Ave
Chicago, IL 60604-4434
Registry dates
- Enumerated
- 2012-02-20
- Last updated
- 2012-02-20
Frequently asked questions
- What is Gerald Lumer's NPI number?
- Gerald Lumer's National Provider Identifier (NPI) is 1326311424, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gerald Lumer's specialty?
- Gerald Lumer is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gerald Lumer located?
- Gerald Lumer's practice location on file with NPPES is 332 S Michigan Ave, Chicago, IL 60604-4434.
- What is Gerald Lumer's phone number?
- The practice phone number listed in the NPPES registry for Gerald Lumer is (312) 322-0271.
- Is Gerald Lumer's NPI active?
- Yes — Gerald Lumer's NPI (1326311424) is active in the NPPES registry as of the last update on 2012-02-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.