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Mark Multach, MD
NPI 1679536577 · Internal Medicine Physician · Chicago, IL
Mark Multach, MD is a Internal Medicine Physician provider in Chicago, IL (NPI 1679536577).
Provider details
- NPI number
- 1679536577
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- ME44020 (FL)
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
850 N Lake Shore Dr
201
Chicago, IL 60611-6324
Phone: (315) 618-9922
Street-level locationGet directions
Mailing address
850 N Lake Shore Dr
Chicago, IL 60611-6324
Registry dates
- Enumerated
- 2006-04-11
- Last updated
- 2014-10-11
Frequently asked questions
- What is Mark Multach's NPI number?
- Mark Multach's National Provider Identifier (NPI) is 1679536577, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Multach's specialty?
- Mark Multach is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Multach located?
- Mark Multach's practice location on file with NPPES is 850 N Lake Shore Dr, Chicago, IL 60611-6324.
- What is Mark Multach's phone number?
- The practice phone number listed in the NPPES registry for Mark Multach is (315) 618-9922.
- Is Mark Multach's NPI active?
- Yes — Mark Multach's NPI (1679536577) is active in the NPPES registry as of the last update on 2014-10-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.