1 on 1 MD PLLC
NPI 1578736112 · Internal Medicine Physician · Chicago, IL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
1 on 1 MD PLLC is a Internal Medicine Physician organization in Chicago, IL (NPI 1578736112).
Provider details
- NPI number
- 1578736112
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Linda Huang, Medical Director(312) 544-0200
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
- 2008-04-03
- Last updated
- 2026-01-05
- Certified
- 2026-01-05
Frequently asked questions
- What is 1 on 1 MD PLLC's NPI number?
- 1 on 1 MD PLLC's National Provider Identifier (NPI) is 1578736112, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is 1 on 1 MD PLLC?
- 1 on 1 MD PLLC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is 1 on 1 MD PLLC located?
- 1 on 1 MD PLLC's practice location on file with NPPES is 1828 W Webster Ave Ste 450, Chicago, IL 60614-2916.
- What is 1 on 1 MD PLLC's phone number?
- The practice phone number listed in the NPPES registry for 1 on 1 MD PLLC is (312) 544-0200.
- Does 1 on 1 MD PLLC accept Medicare?
- 1 on 1 MD PLLC 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 1 on 1 MD PLLC?
- The authorized official listed on 1 on 1 MD PLLC's NPPES record is Linda Huang, Medical Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is 1 on 1 MD PLLC's NPI active?
- Yes — 1 on 1 MD PLLC's NPI (1578736112) is active in the NPPES registry as of the last update on 2026-01-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.