Dr. Jacob C. Marshall Jr., MD
- Medicare services, 2024
- 42
- Medicare patients, 2024
- 44
- Part D claims, 2024
- 98
- Hospital affiliations
- 2
- Medical groups
- 3
- Practice address
- 818 E Broadway, Sparta, IL 62286
- Practice phone
- Call (618) 443-2177
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Marshall'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. Jacob C. Marshall Jr. is a family medicine physician in Sparta, Illinois
Dr. Marshall practices at Sparta Community Hospital in Sparta, Illinois, part of Sparta Community Hospital.
Dr. Marshall's NPI, 1922081249, was assigned on November 21, 2005. Dr. Marshall holds Illinois license 036102192.
- NPI
- 1922081249NPI Registry (opens in a new tab)
- NPI enumeration date
- November 21, 2005
- NPI status
- Active
- Practice phone
- (618) 443-2177
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Jacob C. Marshall Jr. practices at Sparta Community Hospital in Sparta, Illinois
Dr. Marshall's primary practice is Sparta Community Hospital, at 818 E Broadway, Sparta, IL 62286 in Randolph County. The practice phone is (618) 443-2177.
- Sparta Community Hospital818 E Broadway, Sparta, IL 62286 · Randolph CountyPhone(618) 443-2177
Source: Dmand AI Affiliation Data
Dr. Jacob C. Marshall Jr. is affiliated with 2 sites of care and 3 medical groups
Dr. Marshall's primary practice is Sparta Community Hospital in Sparta, Illinois, part of Sparta Community Hospital. Dr. Marshall is also affiliated with Memorial Hospital. The medical group on file is Midwest Emergency Department Services (MEDS). Dmand AI also links Dr. Marshall to 2 more medical groups, 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. Jacob C. Marshall Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marshall practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sparta Community Hospital | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jacob C. Marshall Jr. is one of 5,105 family medicine physicians in Illinois
Family medicine is Dr. Marshall's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Marshall is licensed in Illinois.
Specialties and state licenses
- Family medicine, IllinoisPrimary
Family medicine physicians near Dr. Marshall
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. Jacob C. Marshall Jr. billed Medicare for 42 services in 2024
CMS data shows 42 Medicare services from Dr. Marshall across 2 procedure codes in 2024, for 44 Medicare patients. Medicare paid $5,052 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Marshall's Medicare services by type, 2021 to 2024
- 2021
- 2024
- Office and hospital visits
- 2021: 662024: 4236%
Dr. Marshall compared with the Illinois median for family medicine physicians, 2024
- Dr. Marshall
- Illinois median
- Medicare services
- 42vs 35688% below
- Medicare patients
- 44vs 16073% below
- Part D claims
- 107vs 61883% below
Medians across 5,015 family medicine physicians in Illinois with Dmand AI profiles that report each measure.
Dr. Marshall'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. Jacob C. Marshall Jr. treated 44 Medicare patients in 2024, average age 76
CMS counts 44 Medicare patients who saw Dr. Marshall in 2024. The largest group is 75 to 84, with 15 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 27% are also on Medicaid. Their average risk score is 1.72, 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. Marshall's median patient age at 69, with 55% women.
Dr. Marshall's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Marshall's Medicare patients by sex, 2024
- Women2761%
- Men1739%
Chronic conditions among Dr. Marshall's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease55%
- Diabetes52%
- Arthritis50%
- Chronic kidney disease41%
- Atrial fibrillation39%
- COPD34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Marshall's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jacob C. Marshall Jr. wrote 98 Medicare Part D claims in 2024
In 2024, Dr. Marshall wrote 98 Medicare Part D claims for 57 patients. 95% of them were for generic drugs. They cover 6 drugs, with $437 in total drug cost. In 2022, CMS named 36 claims across 2 drugs.
Dr. Marshall's Part D claims by kind of drug, 2024
- Generic93 claims95%
- Brand-name and other5 claims5%
Dr. Marshall'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.
Drug classes CMS tracks in Dr. Marshall's Part D claims, 2024
- Antibiotics34%33 of 98 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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 362023: 107197%
Drugs named by CMS: 6 in 2023, 2 in 2022.
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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Sources for Dr. Jacob C. Marshall Jr.'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) |
| 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. Jacob C. Marshall Jr.
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. Jacob C. Marshall Jr.'s NPI number?
Dr. Jacob C. Marshall Jr.'s NPI number is 1922081249. It was assigned on November 21, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Jacob C. Marshall Jr.?
Dr. Jacob C. Marshall Jr. is a family medicine physician in Sparta, Illinois. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Jacob C. Marshall Jr. practice?
Dr. Marshall practices at 818 E Broadway, Sparta, IL 62286. Dr. Marshall's primary practice is Sparta Community Hospital in Sparta, Illinois, part of Sparta Community Hospital. Dmand AI also links Dr. Marshall to 2 medical groups.
What is Dr. Jacob C. Marshall Jr.'s office phone number?
The practice phone on file for Dr. Marshall is (618) 443-2177.
What is Dr. Jacob C. Marshall Jr.'s medical license number?
Dr. Marshall holds Illinois license 036102192.
Which hospitals is Dr. Jacob C. Marshall Jr. affiliated with?
Dr. Marshall practices at Sparta Community Hospital in Sparta, Illinois. Dr. Marshall is also affiliated with Memorial Hospital.
What medical group is Dr. Jacob C. Marshall Jr. part of?
Dr. Marshall is linked to Midwest Emergency Department Services (MEDS). Dmand AI links Dr. Marshall to 2 more medical groups.
Does Dr. Jacob C. Marshall Jr. accept Medicare?
Yes. CMS data shows Dr. Marshall billed Medicare for 42 services in 2024.
How many Medicare patients does Dr. Jacob C. Marshall Jr. see?
CMS counts 44 Medicare patients who saw Dr. Marshall in 2024, with an average age of 76.
What services does Dr. Jacob C. Marshall Jr. bill to Medicare?
In 2024, Dr. Marshall's most billed Medicare services were emergency department visit (99285) and emergency department visit (99284).
What drugs does Dr. Jacob C. Marshall Jr. prescribe most?
In 2023 Medicare Part D data, Dr. Marshall's most prescribed drugs by claims were Ibuprofen, Prednisone and Amlodipine Besylate.
How long has Dr. Jacob C. Marshall Jr. been practicing?
Dr. Marshall's NPI was assigned in 2005.
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