Mark Siegler
- Medicare services, 2023
- 19
- Part D claims, 2023
- 106
- Publications
- 4
- Medical group
- 1
- State license
- 1
- Practice address
- 5721 S Maryland Ave, Chicago, IL 60637
- Practice phone
- Call (773) 702-1530
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
The University of Chicago Medical Center
Chicago, Illinois
Find Mark Siegler's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Mark Siegler is an internist in Chicago, Illinois
Mark Siegler practices at The University of Chicago Medical Center in Chicago, Illinois.
Mark Siegler's NPI, 1407919913, was assigned on December 18, 2006. Mark Siegler graduated from University of Chicago, Pritzker School of Medicine in 1967. Mark Siegler holds Illinois license 036041806.
- NPI
- 1407919913NPI Registry (opens in a new tab)
- NPI enumeration date
- December 18, 2006
- NPI status
- Active
- Practice phone
- (773) 702-1530
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 85
- Medical school graduation
- 1967
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Mark Siegler practices at The University of Chicago Medical Center in Chicago, Illinois
Mark Siegler's primary practice is The University of Chicago Medical Center, at 5721 S Maryland Ave, Chicago, IL 60637 in Cook County. The practice phone is (773) 702-1530.
- The University of Chicago Medical Center5721 S Maryland Ave, Chicago, IL 60637 · Cook CountyPhone(773) 702-1530
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Mark Siegler is affiliated with 1 site of care and 1 medical group
Mark Siegler's primary practice is The University of Chicago Medical Center in Chicago, Illinois. The medical group on file is UChicago Medicine Physicians.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Mark Siegler's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mark Siegler practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The University of Chicago Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Mark Siegler is one of 5,652 internists in Illinois
Internal medicine is Mark Siegler's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Mark Siegler is licensed in Illinois.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
Internists near Mark Siegler
Counts of internists 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
Mark Siegler billed Medicare for 19 services in 2023
CMS data shows 19 Medicare services from Mark Siegler across 1 procedure code in 2023, all of them office visits. Medicare paid $742 for them. Every service was in a facility, such as a hospital, rather than an office.
Mark Siegler's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 1152023: 1983%
Mark Siegler compared with the Illinois median for internists, 2023
- Mark Siegler
- Illinois median
- Medicare services
- 19vs 56697% below
- Part D claims
- 106vs 28463% below
Medians across 5,192 internists in Illinois with Dmand AI profiles that report each measure.
Mark Siegler's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Mark Siegler and other internists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Mark Siegler's patients have a median age of 57
Across all payers, Dmand AI patient panel data puts Mark Siegler's median patient age at 57, with 33% women.
Mark Siegler's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women33%
- Men67%
Source: Dmand AI Patient Panel Data
Mark Siegler wrote 106 Medicare Part D claims in 2023
In 2023, Mark Siegler wrote 106 Medicare Part D claims. Every claim was for a generic drug. They cover 7 drugs, with $1,368 in total drug cost. In 2022, CMS named 535 claims across 24 drugs.
Mark Siegler's most prescribed drugs by claims, 2023
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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 5352023: 10680%
Drugs named by CMS: 7 in 2023, 24 in 2022.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Mark Siegler has 4 publications on record
Dmand AI links 4 papers to Mark Siegler, published from 2020 to 2024. 2023 was the busiest year, with 2. Mark Siegler's most frequent co-authors are Andrew I. Aronsohn, Adam S. Cifu and Kevin Clerkin, MD.
Mark Siegler's papers by year, 2020 to 2024
Mark Siegler's most frequent co-authors
Recent publications by Mark Siegler
Crit Care Med
Psychiatr Serv
See who Mark Siegler researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Mark Siegler works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Mark Siegler graduated from University of Chicago, Pritzker School of Medicine
Mark Siegler graduated from University of Chicago, Pritzker School of Medicine in 1967.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Mark Siegler'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 |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Mark Siegler
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mark Siegler's NPI number?
Mark Siegler's NPI number is 1407919913. It was assigned on December 18, 2006, and it is active in the NPI Registry.
What does Mark Siegler specialize in?
Mark Siegler is an internist in Chicago, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Mark Siegler practice?
Mark Siegler practices at 5721 S Maryland Ave, Chicago, IL 60637. Mark Siegler's primary practice is The University of Chicago Medical Center in Chicago, Illinois.
What is Mark Siegler's office phone number?
The practice phone on file for Mark Siegler is (773) 702-1530.
What is Mark Siegler's medical license number?
Mark Siegler holds Illinois license 036041806.
What medical group is Mark Siegler part of?
Mark Siegler is linked to UChicago Medicine Physicians.
Does Mark Siegler accept Medicare?
Yes. CMS data shows Mark Siegler billed Medicare for 19 services in 2023.
What services does Mark Siegler bill to Medicare?
In 2023, Mark Siegler's most billed Medicare services were office visit, established patient (99213).
Where did Mark Siegler go to medical school?
Mark Siegler graduated from University of Chicago, Pritzker School of Medicine in 1967.
What drugs does Mark Siegler prescribe most?
In 2023 Medicare Part D data, Mark Siegler's most prescribed drugs by claims were Atorvastatin Calcium, Enalapril Maleate and Hydrochlorothiazide.
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How long has Mark Siegler been practicing?
Mark Siegler graduated from medical school in 1967, 59 years ago.
Does Mark Siegler do research?
Dmand AI links 4 publications to Mark Siegler, published from 2020 to 2024.
Who does Mark Siegler publish with?
Mark Siegler's most frequent co-authors are Andrew I. Aronsohn (1 shared paper), Adam S. Cifu (1 shared paper) and Kevin Clerkin, MD (1 shared paper).
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