IndividualActive
Mark Mackey, M.D.
NPI 1437258548 · Emergency Medicine Physician · Chicago, IL
Mark Mackey, M.D. is a Emergency Medicine Physician provider in Chicago, IL (NPI 1437258548).
Provider details
- NPI number
- 1437258548
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036066882 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
1740 W Taylor St
Chicago, IL 60612-7232
Phone: (866) 600-2273
Street-level locationGet directions
Mailing address
808 S Wood St
Chicago, IL 60612-7300
Registry dates
- Enumerated
- 2006-09-22
- Last updated
- 2008-12-30
Frequently asked questions
- What is Mark Mackey's NPI number?
- Mark Mackey's National Provider Identifier (NPI) is 1437258548, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Mackey's specialty?
- Mark Mackey is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Mackey located?
- Mark Mackey's practice location on file with NPPES is 1740 W Taylor St, Chicago, IL 60612-7232.
- What is Mark Mackey's phone number?
- The practice phone number listed in the NPPES registry for Mark Mackey is (866) 600-2273.
- Is Mark Mackey's NPI active?
- Yes — Mark Mackey's NPI (1437258548) is active in the NPPES registry as of the last update on 2008-12-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.