Anti-HIV AgentsBisexualityBlack or African American
Dr. Mark S. Dworkin, MD
NPI1619963006PAC ID2769525773
- Medicare services, 2022
- 98
- Part D claims, 2024
- 343
- Publications
- 29
- Hospital affiliations
- 1
- Industry payments
- $228
- Practice address
- 1901 W Harrison St, Chicago, IL 60612
- Practice phone
- Call (312) 864-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Dworkin'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.
Dr. Mark S. Dworkin is an infectious disease specialist in Chicago, Illinois
Dr. Dworkin practices at John H. Stroger, Jr. Hospital of Cook County in Chicago, Illinois, part of Cook County Government.
Dr. Dworkin's NPI, 1619963006, was assigned on September 21, 2005. Dr. Dworkin graduated from Rush Medical College of Rush University in 1989. Dr. Dworkin holds Illinois license 036-102140.
NPI and contact details
- NPI
- 1619963006NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2769525773
- NPI enumeration date
- September 21, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (312) 864-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark S. Dworkin practices at John H. Stroger, Jr. Hospital of Cook County in Chicago, Illinois
Dr. Dworkin's primary practice is John H. Stroger, Jr. Hospital of Cook County, at 1901 W Harrison St, Chicago, IL 60612 in Cook County. The practice phone is (312) 864-6000.
- John H. Stroger, Jr. Hospital of Cook County1901 W Harrison St, Chicago, IL 60612 · Cook CountyPhone(312) 864-6000
Source: Dmand AI Affiliation Data
Dr. Mark S. Dworkin is affiliated with 1 site of care and 1 medical group
Dr. Dworkin's primary practice is John H. Stroger, Jr. Hospital of Cook County in Chicago, Illinois, part of Cook County Government. The medical group on file is John H. Stroger, Jr. Hospital of Cook County.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mark S. Dworkin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dworkin practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| John H. Stroger, Jr. Hospital of Cook County | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Mark S. Dworkin is one of 400 infectious disease specialists in Illinois
Infectious disease is Dr. Dworkin's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Dworkin is licensed in Illinois.
Specialties and state licenses
- Infectious disease, IllinoisPrimary
Infectious disease specialists near Dr. Dworkin
Counts of infectious disease specialists with a Dmand AI profile, by place and practice. Each opens the list.
400infectious disease specialists in Illinois148infectious disease specialists in Chicago15infectious disease specialists at John H. Stroger, Jr. Hospital of Cook County
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Mark S. Dworkin billed Medicare for 98 services in 2022
CMS data shows 98 Medicare services from Dr. Dworkin across 2 procedure codes in 2022. Medicare paid $9,008 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202298
Paid by Medicare$9,008
Procedure codes2
Dr. Dworkin's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 1282022: 9823%
Dr. Dworkin compared with the Illinois median for infectious disease specialists, 2022
- Dr. Dworkin
- Illinois median
- Medicare services
- 98vs 44078% below
- Part D claims
- 215vs 19510% above
Medians across 383 infectious disease specialists in Illinois with Dmand AI profiles that report each measure.
Dr. Dworkin's most billed Medicare procedure codes, 2022
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. Dworkin?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Dworkin and other infectious disease specialists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark S. Dworkin's patients have a median age of 64
Across all payers, Dmand AI patient panel data puts Dr. Dworkin's median patient age at 64, with 10% women.
Dr. Dworkin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women10%
- Men90%
Source: Dmand AI Patient Panel Data
Dr. Mark S. Dworkin wrote 343 Medicare Part D claims in 2024
In 2024, Dr. Dworkin wrote 343 Medicare Part D claims for 19 patients. CMS names the drug for 215 of them, across 10 drugs with 11 or more claims each, at $538,375 in total drug cost. In 2023, CMS named 215 claims across 9 drugs.
Part D claims, 2024343
Drugs named by CMS10
Total drug cost$538,375
Part D patients19
Dr. Dworkin's most prescribed drugs by claims, 2024
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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2152024: 215No change
Drugs named by CMS: 10 in 2024, 9 in 2023.
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
How Dr. Mark S. Dworkin takes part in Medicare
Dr. Dworkin accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Mark S. Dworkin has 29 publications on record
Dmand AI links 29 papers to Dr. Dworkin, published from 2007 to 2025. 2024 was the busiest year, with 3. The most frequent topics are HIV Infections, Chicago and Anti-HIV Agents. Dr. Dworkin has published most often in Epidemiol Infect. Dr. Dworkin's most frequent co-authors are Ronald C. Hershow, MD, Samuel Dorevitch, MD and Linda June Bell, MD.
Papers29
Years published2007 to 2025
Dr. Dworkin's papers by year, 2009 to 2025
Topics Dr. Dworkin writes about most
- HIV Infections
- Chicago
- Anti-HIV Agents
- Antiretroviral Therapy, Highly Active
- India
- Medication Adherence
- Homosexuality, Male
- Black or African American
Dr. Dworkin's most frequent co-authors
- Ronald C. Hershow, MD3 shared papers
- Samuel Dorevitch, MD2 shared papers
- Linda June Bell, MD1 shared paper
Recent publications by Dr. Dworkin
Am J Health Promot
ChicagoCommunity-Based Participatory ResearchCommunity-Institutional Relations
Int J Health Plann Manage
ChicagoContact TracingCOVID-19
Black or African AmericanChicagoHIV Infections
See who Dr. Dworkin researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Dworkin works with, so you can find a warm path to the right infectious disease specialists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Mark S. Dworkin received $228 in industry payments from 2018 to 2025
CMS Open Payments shows 3 general payments to Dr. Dworkin from 3 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $111.
General payments to Dr. Dworkin by program year, 2018 to 2025
Companies that paid Dr. Dworkin the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark S. Dworkin graduated from Rush Medical College of Rush University
Dr. Dworkin graduated from Rush Medical College of Rush University in 1989.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark S. Dworkin'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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) |
| 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 Dr. Mark S. Dworkin
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 S. Dworkin's NPI number?
Dr. Mark S. Dworkin's NPI number is 1619963006. It was assigned on September 21, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark S. Dworkin?
Dr. Mark S. Dworkin is an infectious disease specialist in Chicago, Illinois. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. Mark S. Dworkin practice?
Dr. Dworkin practices at 1901 W Harrison St, Chicago, IL 60612. Dr. Dworkin's primary practice is John H. Stroger, Jr. Hospital of Cook County in Chicago, Illinois, part of Cook County Government.
What is Dr. Mark S. Dworkin's office phone number?
The practice phone on file for Dr. Dworkin is (312) 864-6000.
What is Dr. Mark S. Dworkin's medical license number?
Dr. Dworkin holds Illinois license 036-102140.
Which hospitals is Dr. Mark S. Dworkin affiliated with?
Dr. Dworkin practices at John H. Stroger, Jr. Hospital of Cook County in Chicago, Illinois.
What medical group is Dr. Mark S. Dworkin part of?
Dr. Dworkin is linked to John H. Stroger, Jr. Hospital of Cook County.
Does Dr. Mark S. Dworkin accept Medicare?
Yes. CMS data shows Dr. Dworkin billed Medicare for 98 services in 2022, and Dr. Dworkin accepts Medicare assignment.
What services does Dr. Mark S. Dworkin bill to Medicare?
In 2022, Dr. Dworkin's most billed Medicare services were hospital inpatient care (99233) and hospital inpatient care (99222).
Where did Dr. Mark S. Dworkin go to medical school?
Dr. Dworkin graduated from Rush Medical College of Rush University in 1989.
Show 5 more questionsShow fewer questions
What drugs does Dr. Mark S. Dworkin prescribe most?
In 2024 Medicare Part D data, Dr. Dworkin's most prescribed drugs by claims were Biktarvy, Hydrochlorothiazide and Tivicay.
Has Dr. Mark S. Dworkin received payments from drug or device companies?
CMS Open Payments shows $228 in general payments to Dr. Dworkin from 3 companies from 2018 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Mark S. Dworkin been practicing?
Dr. Dworkin graduated from medical school in 1989, 37 years ago.
Does Dr. Mark S. Dworkin do research?
Dmand AI links 29 publications to Dr. Dworkin, published from 2007 to 2025.
Who does Dr. Mark S. Dworkin publish with?
Dr. Dworkin's most frequent co-authors are Ronald C. Hershow, MD (3 shared papers), Samuel Dorevitch, MD (2 shared papers) and Linda June Bell, MD (1 shared paper).
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