Dr. Jennifer E. Main, MD
- Medicare services, 2024
- 207
- Medicare patients, 2024
- 204
- Part D claims, 2024
- 142
- Hospital affiliations
- 3
- Medical group
- 1
- Practice address
- 3333 North Seminary, Galesburg, IL 61401
- Practice phone
- Call (309) 344-3161
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Main's professional email, personal email and mobile number
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Dr. Jennifer E. Main is an emergency medicine physician in Galesburg, Illinois
Dr. Main practices at OSF St. Mary Medical Center in Galesburg, Illinois, part of OSF HealthCare System.
Dr. Main's NPI, 1255905014, was assigned on May 17, 2021. Dr. Main holds Illinois license 036169202.
- NPI
- 1255905014NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0345645743
- NPI enumeration date
- May 17, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (309) 344-3161
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jennifer E. Main practices at OSF St. Mary Medical Center in Galesburg, Illinois
Dr. Main's primary practice is OSF St. Mary Medical Center, at 3333 North Seminary, Galesburg, IL 61401 in Knox County. The practice phone is (309) 344-3161.
- OSF St. Mary Medical Center3333 North Seminary, Galesburg, IL 61401 · Knox CountyPhone(309) 344-3161
Source: Dmand AI Affiliation Data
Dr. Jennifer E. Main is affiliated with 4 sites of care and 1 medical group
Dr. Main's primary practice is OSF St. Mary Medical Center in Galesburg, Illinois, part of OSF HealthCare System. Dr. Main is also affiliated with OSF Saint Francis Medical Center. The medical group on file is OSF Multi-Specialty Group. Dmand AI also links Dr. Main to 1 more hospital and 1 breast imaging 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. Jennifer E. Main's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Main practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| OSF St. Mary Medical Center | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jennifer E. Main is one of 2,385 emergency medicine physicians in Illinois
Emergency medicine is Dr. Main's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Main is licensed in Illinois.
Specialties and state licenses
- Emergency medicine, IllinoisPrimary
Emergency medicine physicians near Dr. Main
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. Jennifer E. Main billed Medicare for 207 services in 2024
CMS data shows 207 Medicare services from Dr. Main across 3 procedure codes in 2024, for 204 Medicare patients. Medicare paid $24,106 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Main compared with the Illinois median for emergency medicine physicians, 2024
- Dr. Main
- Illinois median
- Medicare services
- 207vs 27424% below
- Medicare patients
- 204vs 27325% below
- Part D claims
- 43vs 45Close to median
Medians across 2,281 emergency medicine physicians in Illinois with Dmand AI profiles that report each measure.
Dr. Main's most billed Medicare procedure codes, 2024
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. Jennifer E. Main treated 204 Medicare patients in 2024, average age 75
CMS counts 204 Medicare patients who saw Dr. Main in 2024. The largest group is 75 to 84, with 75 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 25% are also on Medicaid. Their average risk score is 1.78, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Main's median patient age at 72, with 51% women.
Dr. Main's Medicare patients by age, 2024
Dr. Main's Medicare patients by sex, 2024
- Women10350%
- Men10150%
Chronic conditions among Dr. Main's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis51%
- Chronic kidney disease42%
- COPD38%
- Anxiety36%
- Diabetes36%
- Heart failure34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Main's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women51%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jennifer E. Main wrote 142 Medicare Part D claims in 2024
In 2024, Dr. Main wrote 142 Medicare Part D claims for 94 patients. 97% of them were for generic drugs. CMS names the drug for 43 of them, across 3 drugs with 11 or more claims each, at $136 in total drug cost. In 2023, CMS named 17 claims across 1 drug.
Dr. Main's Part D claims by kind of drug, 2024
- Generic138 claims97%
- Brand-name and other4 claims3%
Dr. Main'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. Main's Part D claims, 2024
- Opioids16%23 of 142 claims
- Antibiotics32%45 of 142 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: 172024: 43153%
Drugs named by CMS: 3 in 2024, 1 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. Jennifer E. Main takes part in Medicare
Dr. Main 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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Sources for Dr. Jennifer E. Main'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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| 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. Jennifer E. Main
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What is Dr. Jennifer E. Main's NPI number?
Dr. Jennifer E. Main's NPI number is 1255905014. It was assigned on May 17, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Jennifer E. Main?
Dr. Jennifer E. Main is an emergency medicine physician in Galesburg, Illinois. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Jennifer E. Main practice?
Dr. Main practices at 3333 North Seminary, Galesburg, IL 61401. Dr. Main's primary practice is OSF St. Mary Medical Center in Galesburg, Illinois, part of OSF HealthCare System. Dmand AI also links Dr. Main to 1 hospital and 1 breast imaging center.
What is Dr. Jennifer E. Main's office phone number?
The practice phone on file for Dr. Main is (309) 344-3161.
What is Dr. Jennifer E. Main's medical license number?
Dr. Main holds Illinois license 036169202.
Which hospitals is Dr. Jennifer E. Main affiliated with?
Dr. Main practices at OSF St. Mary Medical Center in Galesburg, Illinois. Dr. Main is also affiliated with OSF Saint Francis Medical Center. Dmand AI links Dr. Main to 1 more hospital.
What medical group is Dr. Jennifer E. Main part of?
Dr. Main is linked to OSF Multi-Specialty Group.
Does Dr. Jennifer E. Main accept Medicare?
Yes. CMS data shows Dr. Main billed Medicare for 207 services in 2024, and Dr. Main accepts Medicare assignment.
How many Medicare patients does Dr. Jennifer E. Main see?
CMS counts 204 Medicare patients who saw Dr. Main in 2024, with an average age of 75.
What services does Dr. Jennifer E. Main bill to Medicare?
In 2024, Dr. Main's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and emergency department visit (99283).
What drugs does Dr. Jennifer E. Main prescribe most?
In 2024 Medicare Part D data, Dr. Main's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Prednisone and Azithromycin.
How long has Dr. Jennifer E. Main been practicing?
Dr. Main graduated from medical school in 2021, 5 years ago.
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