Dr. Michael Aaron Workman, MD
- Medicare services, 2018
- 17
- Part D claims, 2024
- 18,565
- MIPS score, 2024
- 82
- Hospital affiliations
- 5
- Industry payments
- $1,335
- Practice address
- 405 Rushing Drive, Herrin, IL 62948
- Practice phone
- Call (618) 942-4640
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
SIH Logan Primary Care Herrin
Rural Health Clinic - Independent · Herrin, Illinois
Find Dr. Workman'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. Michael Aaron Workman is a family medicine physician in Herrin, Illinois
Dr. Workman practices at SIH Logan Primary Care Herrin in Herrin, Illinois.
Dr. Workman's NPI, 1184731267, was assigned on August 24, 2006. Dr. Workman holds Illinois license 036109719.
- NPI
- 1184731267NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7012807464
- NPI enumeration date
- August 24, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (618) 942-4640
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael Aaron Workman practices at SIH Logan Primary Care Herrin in Herrin, Illinois
Dr. Workman's primary practice is SIH Logan Primary Care Herrin, at 405 Rushing Drive, Herrin, IL 62948. The practice phone is (618) 942-4640.
- SIH Logan Primary Care Herrin405 Rushing Drive, Herrin, IL 62948Phone(618) 942-4640
Source: Dmand AI Affiliation Data
Dr. Michael Aaron Workman is affiliated with 13 sites of care and 3 medical groups
Dr. Workman's primary practice is SIH Logan Primary Care Herrin in Herrin, Illinois. Dr. Workman is also affiliated with SIH Herrin Hospital. The medical group on file is Select Physical Therapy. Dmand AI also links Dr. Workman to 4 more hospitals, 3 home health agencies, 2 group practices and clinics, 2 medical groups, 1 hospice and 1 urgent care center, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Michael Aaron Workman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Workman practices, 13 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| SIH Logan Primary Care Herrin | Available with a free account |
| +12 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael Aaron Workman is one of 5,105 family medicine physicians in Illinois
Family medicine is Dr. Workman's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Workman is licensed in Illinois.
Specialties and state licenses
- Family medicine, IllinoisPrimary
Family medicine physicians near Dr. Workman
Counts of family 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. Michael Aaron Workman billed Medicare for 17 services in 2018
CMS data shows 17 Medicare services from Dr. Workman across 1 procedure code in 2018. Medicare paid $276 for them. Every service was in an office.
Dr. Workman's Medicare services by type, 2017 to 2018
- 2017
- 2018
- Lab and pathology
- 2017: 332018: 1748%
Dr. Workman compared with the Illinois median for family medicine physicians, 2018
- Dr. Workman
- Illinois median
- Medicare services
- 17vs 35695% below
- Part D claims
- 17,674vs 61828.6 times
Medians across 5,015 family medicine physicians in Illinois with Dmand AI profiles that report each measure.
Dr. Workman's most billed Medicare procedure codes, 2018
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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael Aaron Workman's patients have a median age of 73
Across all payers, Dmand AI patient panel data puts Dr. Workman's median patient age at 73, with 53% women.
Dr. Workman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women53%
- Men47%
Source: Dmand AI Patient Panel Data
Dr. Michael Aaron Workman wrote 18,565 Medicare Part D claims in 2024
In 2024, Dr. Workman wrote 18,565 Medicare Part D claims for 913 patients. 85% of them were for generic drugs. CMS names the drug for 17,674 of them, across 196 drugs with 11 or more claims each, at $1,392,195 in total drug cost. In 2023, CMS named 16,716 claims across 199 drugs.
Dr. Workman's Part D claims by kind of drug, 2024
- Generic15,783 claims85%
- Brand-name2,597 claims14%
- Other185 claims1%
Dr. Workman'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.
Drug classes CMS tracks in Dr. Workman's Part D claims, 2024
- Opioids5%907 of 18,565 claims
- Antibiotics1%266 of 18,565 claims
- Antipsychotics, patients 65 and over0%42 of 18,565 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 16,7162024: 17,6746%
Drugs named by CMS: 196 in 2024, 199 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
Dr. Michael Aaron Workman scored 82 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 82 out of 100 for Dr. Workman for performance year 2024, reported as part of a group. Dr. Workman accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Workman's MIPS scores, performance year 2024
- 82of 100Final score
- 55.9of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 72of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Michael Aaron Workman received $1,335 in industry payments from 2016 to 2025
CMS Open Payments shows 76 general payments to Dr. Workman from 16 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. Abbvie Inc. paid the most, $528.
General payments to Dr. Workman by program year, 2016 to 2025
General payments to Dr. Workman by kind, 2016 to 2025
- Food and beverage$1,31598%
- Education$202%
Companies that paid Dr. Workman the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Michael Aaron Workman'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| 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. Michael Aaron Workman
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. Michael Aaron Workman's NPI number?
Dr. Michael Aaron Workman's NPI number is 1184731267. It was assigned on August 24, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael Aaron Workman?
Dr. Michael Aaron Workman is a family medicine physician in Herrin, Illinois. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Michael Aaron Workman practice?
Dr. Workman practices at 405 Rushing Drive, Herrin, IL 62948. Dr. Workman's primary practice is SIH Logan Primary Care Herrin in Herrin, Illinois. Dmand AI also links Dr. Workman to 4 hospitals, 3 home health agencies, 2 group practices and clinics, 2 medical groups, 1 hospice and 1 urgent care center.
What is Dr. Michael Aaron Workman's office phone number?
The practice phone on file for Dr. Workman is (618) 942-4640.
What is Dr. Michael Aaron Workman's medical license number?
Dr. Workman holds Illinois license 036109719.
Which hospitals is Dr. Michael Aaron Workman affiliated with?
Dr. Workman is affiliated with SIH Herrin Hospital. Dmand AI links Dr. Workman to 4 more hospitals.
What medical group is Dr. Michael Aaron Workman part of?
Dr. Workman is linked to Select Physical Therapy. Dmand AI links Dr. Workman to 2 more medical groups.
Does Dr. Michael Aaron Workman accept Medicare?
Yes. CMS data shows Dr. Workman billed Medicare for 17 services in 2018, and Dr. Workman accepts Medicare assignment.
What is Dr. Michael Aaron Workman's MIPS score?
Dr. Workman's MIPS final score for performance year 2024 is 82 out of 100, reported as part of a group.
What services does Dr. Michael Aaron Workman bill to Medicare?
In 2018, Dr. Workman's most billed Medicare services were lab and pathology test (87804).
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What drugs does Dr. Michael Aaron Workman prescribe most?
In 2024 Medicare Part D data, Dr. Workman's most prescribed drugs by claims were Atorvastatin Calcium, Lisinopril and Levothyroxine Sodium.
Has Dr. Michael Aaron Workman received payments from drug or device companies?
CMS Open Payments shows $1,335 in general payments to Dr. Workman from 16 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Michael Aaron Workman been practicing?
Dr. Workman graduated from medical school in 2001, 25 years ago.
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