OrganizationActive
James C Liang MD Sc
NPI 1144208596 · Ophthalmology Physician · Oak Lawn, IL
James C Liang MD Sc is a Ophthalmology Physician organization in Oak Lawn, IL (NPI 1144208596).
Provider details
- NPI number
- 1144208596
- Entity type
- Organization
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- James Liang, President(708) 422-2665
- License
- 036051267 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
4429 W 95th St
Oak Lawn, IL 60453-2625
Phone: (708) 422-2665
Fax: (708) 422-2997
Street-level locationGet directions
Mailing address
4429 W 95th St
Oak Lawn, IL 60453-2625
Other names (DBA / former)
- Doing business as
- Retina Macula Care
Registry dates
- Enumerated
- 2006-01-05
- Last updated
- 2009-07-31
Frequently asked questions
- What is James C Liang MD Sc's NPI number?
- James C Liang MD Sc's National Provider Identifier (NPI) is 1144208596, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is James C Liang MD Sc?
- James C Liang MD Sc is classified in the NPPES registry as Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is James C Liang MD Sc located?
- James C Liang MD Sc's practice location on file with NPPES is 4429 W 95th St, Oak Lawn, IL 60453-2625.
- What is James C Liang MD Sc's phone number?
- The practice phone number listed in the NPPES registry for James C Liang MD Sc is (708) 422-2665.
- Who is the authorized official for James C Liang MD Sc?
- The authorized official listed on James C Liang MD Sc's NPPES record is James Liang, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is James C Liang MD Sc's NPI active?
- Yes — James C Liang MD Sc's NPI (1144208596) is active in the NPPES registry as of the last update on 2009-07-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.