J Natl Med Assoc
Body Mass IndexEmergency Service, HospitalObesity
Dr. Mark L. Mackey, MD
NPI1437258548
- Medicare services, 2019
- 328
- Part D claims, 2024
- 16
- Publications
- 3
- Industry payments
- $49
- State license
- 1
- Practice address
- 1740 W Taylor St, Chicago, IL 60612-7232
- Practice phone
- Call (866) 600-2273
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
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Dr. Mark L. Mackey is an emergency medicine physician in Chicago, Illinois
Dr. Mackey practices in Chicago, Illinois.
Dr. Mackey's NPI, 1437258548, was assigned on September 22, 2006. Dr. Mackey holds Illinois license 036066882.
NPI and contact details
- NPI
- 1437258548NPI Registry (opens in a new tab)
- NPI enumeration date
- September 22, 2006
- NPI status
- Active
- Practice phone
- (866) 600-2273
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Mark L. Mackey's practice address is in Chicago, Illinois
Dr. Mackey's practice address in the NPI Registry is 1740 W Taylor St, Chicago, IL 60612-7232. The practice phone is (866) 600-2273.
- NPI Registry address1740 W Taylor St, Chicago, IL 60612-7232Phone(866) 600-2273
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Mark L. Mackey's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mackey practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Mackey's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark L. Mackey is one of 2,385 emergency medicine physicians in Illinois
Emergency medicine is Dr. Mackey's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Mackey is licensed in Illinois.
Specialties and state licenses
- Emergency medicine, IllinoisPrimary
Emergency medicine physicians near Dr. Mackey
Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Mark L. Mackey billed Medicare for 328 services in 2019
CMS data shows 328 Medicare services from Dr. Mackey across 13 procedure codes in 2019. Medicare paid $10,223 for them. Every service was in an office.
Medicare services, 2019328
Paid by Medicare$10,223
Procedure codes13
Dr. Mackey's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Office and hospital visits
- 2018: 4182019: 14366%
- Lab and pathology
- 2018: 2602019: 11456%
- Surgery
- 2018: 722019: 4044%
- Tests and treatments
- 2018: 632019: 1675%
- Drugs given in the office
- 2018: 142019: 157%
Dr. Mackey compared with the Illinois median for emergency medicine physicians, 2019
- Dr. Mackey
- Illinois median
- Medicare services
- 328vs 27420% above
- Part D claims
- 54vs 4520% above
Medians across 2,281 emergency medicine physicians in Illinois with Dmand AI profiles that report each measure.
Dr. Mackey's most billed Medicare procedure codes, 2019
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Mackey?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Mackey and other emergency medicine physicians in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark L. Mackey's patients have a median age of 58
Across all payers, Dmand AI patient panel data puts Dr. Mackey's median patient age at 58, with 0% women.
Dr. Mackey's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Dr. Mark L. Mackey wrote 16 Medicare Part D claims in 2024
In 2024, Dr. Mackey wrote 16 Medicare Part D claims. 81% of them were for generic drugs. They cover 4 drugs, with $465 in total drug cost. In 2018, CMS named 137 claims across 6 drugs.
Part D claims, 202416
Drugs named by CMS4
Total drug cost$465
Dr. Mackey's Part D claims by kind of drug, 2024
- Generic13 claims81%
- Brand-name and other3 claims19%
Dr. Mackey's most prescribed drugs by claims, 2019
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2018 to 2019
- 2018
- 2019
- Claims for drugs CMS names
- 2018: 1372019: 5461%
Drugs named by CMS: 4 in 2019, 6 in 2018.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Mark L. Mackey has 3 publications on record
Dmand AI links 3 papers to Dr. Mackey in 2014. Dr. Mackey's most frequent co-authors are Lisa M. Gehm, Diego Armando Marquez, MD and Heather M. Prendergast.
Papers3
Dr. Mackey's most frequent co-authors
- Lisa M. Gehm2 shared papers
- Diego Armando Marquez, MD2 shared papers
- Heather M. Prendergast2 shared papers
Recent publications by Dr. Mackey
See who Dr. Mackey researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Mackey works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Mark L. Mackey received $49 in industry payments in 2017
CMS Open Payments shows 1 general payment to Dr. Mackey from 1 drug or device company in 2017. Food and beverage make up the largest share, 100% of the total. Pacira Pharmaceuticals Incorporated paid the most, $49.
Companies that paid Dr. Mackey the most, 2017 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Mark L. Mackey's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Mark L. Mackey
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Mark L. Mackey's NPI number?
Dr. Mark L. Mackey's NPI number is 1437258548. It was assigned on September 22, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark L. Mackey?
Dr. Mark L. Mackey is an emergency medicine physician in Chicago, Illinois. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Mark L. Mackey practice?
Dr. Mackey practices at 1740 W Taylor St, Chicago, IL 60612-7232.
What is Dr. Mark L. Mackey's office phone number?
The practice phone on file for Dr. Mackey is (866) 600-2273.
What is Dr. Mark L. Mackey's medical license number?
Dr. Mackey holds Illinois license 036066882.
Does Dr. Mark L. Mackey accept Medicare?
Yes. CMS data shows Dr. Mackey billed Medicare for 328 services in 2019.
What services does Dr. Mark L. Mackey bill to Medicare?
In 2019, Dr. Mackey's most billed Medicare services were office visit, established patient (99213), surgery: heart and blood vessels (36415) and office visit, new patient (99203).
What drugs does Dr. Mark L. Mackey prescribe most?
In 2019 Medicare Part D data, Dr. Mackey's most prescribed drugs by claims were Azithromycin, Amoxicillin-Clavulanate Potass and Prednisone.
Has Dr. Mark L. Mackey received payments from drug or device companies?
CMS Open Payments shows $49 in general payments to Dr. Mackey from 1 company from 2017 to 2017. The largest total came from Pacira Pharmaceuticals Incorporated.
How long has Dr. Mark L. Mackey been practicing?
Dr. Mackey's NPI was assigned in 2006.
Does Dr. Mark L. Mackey do research?
Dmand AI links 3 publications to Dr. Mackey.
Who does Dr. Mark L. Mackey publish with?
Dr. Mackey's most frequent co-authors are Lisa M. Gehm (2 shared papers), Diego Armando Marquez, MD (2 shared papers) and Heather M. Prendergast (2 shared papers).
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