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George Ou, MD
NPI 1770004590 · Gastroenterology Physician · Chicago, IL
George Ou, MD is a Gastroenterology Physician provider in Chicago, IL (NPI 1770004590).
Provider details
- NPI number
- 1770004590
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036.142865 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Established profile(70/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 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
5841 S Maryland Ave # 4076
Chicago, IL 60637-1447
Phone: (773) 702-8597
Fax: (773) 702-0963
Street-level locationGet directions
Mailing address
180 Harvester Dr Ste 110
Burr Ridge, IL 60527-6686
Registry dates
- Enumerated
- 2017-06-30
- Last updated
- 2017-07-01
Frequently asked questions
- What is George Ou's NPI number?
- George Ou's National Provider Identifier (NPI) is 1770004590, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is George Ou's specialty?
- George Ou is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is George Ou located?
- George Ou's practice location on file with NPPES is 5841 S Maryland Ave # 4076, Chicago, IL 60637-1447.
- What is George Ou's phone number?
- The practice phone number listed in the NPPES registry for George Ou is (773) 702-8597.
- Is George Ou's NPI active?
- Yes — George Ou's NPI (1770004590) is active in the NPPES registry as of the last update on 2017-07-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.