James Lo M.D., Mary Lo M.D. S.c.
NPI 1003090077 · Internal Medicine Physician · Oak Park, IL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Lo M.D., Mary Lo M.D. S.c. is a Internal Medicine Physician organization in Oak Park, IL (NPI 1003090077).
Provider details
- NPI number
- 1003090077
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Charles Lo, President(708) 848-0330
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
18 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
Registry dates
- Enumerated
- 2007-12-26
- Last updated
- 2007-12-26
Frequently asked questions
- What is James Lo M.D., Mary Lo M.D. S.c.'s NPI number?
- James Lo M.D., Mary Lo M.D. S.c.'s National Provider Identifier (NPI) is 1003090077, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is James Lo M.D., Mary Lo M.D. S.c.?
- James Lo M.D., Mary Lo M.D. S.c. is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is James Lo M.D., Mary Lo M.D. S.c. located?
- James Lo M.D., Mary Lo M.D. S.c.'s practice location on file with NPPES is 1140 W Lake St, Oak Park, IL 60301-1049.
- What is James Lo M.D., Mary Lo M.D. S.c.'s phone number?
- The practice phone number listed in the NPPES registry for James Lo M.D., Mary Lo M.D. S.c. is (708) 848-0330.
- Does James Lo M.D., Mary Lo M.D. S.c. accept Medicare?
- James Lo M.D., Mary Lo M.D. S.c. is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for James Lo M.D., Mary Lo M.D. S.c.?
- The authorized official listed on James Lo M.D., Mary Lo M.D. S.c.'s NPPES record is Charles Lo, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is James Lo M.D., Mary Lo M.D. S.c.'s NPI active?
- Yes — James Lo M.D., Mary Lo M.D. S.c.'s NPI (1003090077) is active in the NPPES registry as of the last update on 2007-12-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.