Dr. Chase Andrew Baxter, DO
- Medicare services, 2024
- 425
- Medicare patients, 2024
- 178
- Part D claims, 2024
- 466
- Hospital affiliations
- 5
- Industry payments
- $1,454
- Practice address
- One Memorial Drive, Alton, IL 62002
- Practice phone
- Call (314) 286-2227
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Chase Andrew Baxter is a pulmonologist in Alton, Illinois
Dr. Baxter practices at Alton Memorial Hospital in Alton, Illinois, part of BJC Health.
Dr. Baxter's NPI, 1487145264, was assigned on May 28, 2018. Dr. Baxter graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 2018. Dr. Baxter holds Illinois license 036.170121.
- NPI
- 1487145264NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4385999192
- NPI enumeration date
- May 28, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (314) 286-2227
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Chase Andrew Baxter practices at 2 locations in Alton, Illinois
Dr. Baxter's primary practice is Alton Memorial Hospital, at One Memorial Drive, Alton, IL 62002 in Madison County. The practice phone is (314) 286-2227. Dr. Baxter also practices at Alton Memorial Hospital, 1 Memorial Dr, Alton, IL 62002.
- Alton Memorial HospitalPrimaryOne Memorial Drive, Alton, IL 62002 · Madison CountyPhone(314) 286-2227
- Alton Memorial Hospital1 Memorial Dr, Alton, IL 62002 · Madison CountyPhone(618) 463-7311
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Chase Andrew Baxter is affiliated with 6 sites of care and 1 medical group
Dr. Baxter's primary practice is Alton Memorial Hospital in Alton, Illinois, part of BJC Health. Dr. Baxter is also affiliated with Barnes-Jewish Hospital. The medical group on file is BJC Medical Group. Dmand AI also links Dr. Baxter to 3 more hospitals and 1 group practice or clinic, 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. Chase Andrew Baxter's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Baxter practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Alton Memorial Hospital | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across BJC Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Chase Andrew Baxter is one of 517 pulmonologists in Illinois
Pulmonary disease is Dr. Baxter's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Baxter is licensed in Illinois.
Specialties and state licenses
- Pulmonary disease, IllinoisPrimary
Pulmonologists near Dr. Baxter
Counts of pulmonologists 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. Chase Andrew Baxter billed Medicare for 425 services in 2024
CMS data shows 425 Medicare services from Dr. Baxter across 11 procedure codes in 2024, for 178 Medicare patients. Medicare paid $18,648 for them.
Dr. Baxter's Medicare services by type, 2024
- Tests and treatments207
- Office and hospital visits205
- Other services13
Where Dr. Baxter's Medicare services took place, 2024
- In an office7818%
- In a facility34782%
Dr. Baxter compared with the Illinois median for pulmonologists, 2024
- Dr. Baxter
- Illinois median
- Medicare services
- 425vs 76945% below
- Medicare patients
- 178vs 34148% below
- Part D claims
- 322vs 49235% below
Medians across 522 pulmonologists in Illinois with Dmand AI profiles that report each measure.
Dr. Baxter'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Baxter and other pulmonologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Chase Andrew Baxter treated 178 Medicare patients in 2024, average age 74
CMS counts 178 Medicare patients who saw Dr. Baxter in 2024. The largest group is 65 to 74, with 73 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 17% are also on Medicaid. Their average risk score is 1.96, 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. Baxter's median patient age at 70, with 54% women.
Dr. Baxter's Medicare patients by age, 2024
Dr. Baxter's Medicare patients by sex, 2024
- Women9252%
- Men8648%
Chronic conditions among Dr. Baxter's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis60%
- COPD60%
- Ischemic heart disease54%
- Heart failure49%
- Chronic kidney disease42%
- Diabetes39%
Share of Medicare patients with each condition. A patient can have several.
Dr. Baxter's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women54%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Chase Andrew Baxter wrote 466 Medicare Part D claims in 2024
In 2024, Dr. Baxter wrote 466 Medicare Part D claims for 104 patients. 47% of them were for generic drugs. CMS names the drug for 322 of them, across 13 drugs with 11 or more claims each, at $125,086 in total drug cost. In 2023, CMS named 260 claims across 9 drugs.
Dr. Baxter's Part D claims by kind of drug, 2024
- Generic220 claims47%
- Brand-name246 claims53%
Dr. Baxter'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. Baxter's Part D claims, 2024
- Antibiotics7%33 of 466 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: 2602024: 32224%
Drugs named by CMS: 13 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. Chase Andrew Baxter takes part in Medicare
Dr. Baxter 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. Chase Andrew Baxter received $1,454 in industry payments from 2024 to 2025
CMS Open Payments shows 64 general payments to Dr. Baxter from 14 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 82% of the total. AstraZeneca Pharmaceuticals LP paid the most, $337.
General payments to Dr. Baxter by program year, 2024 to 2025
General payments to Dr. Baxter by kind, 2024 to 2025
- Food and beverage$1,18982%
- Travel and lodging$20614%
- Education$604%
Companies that paid Dr. Baxter the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Chase Andrew Baxter graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville
Dr. Baxter graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 2018.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Chase Andrew Baxter'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 Affiliation DataDmand AI Practice 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) |
| 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. Chase Andrew Baxter
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. Chase Andrew Baxter's NPI number?
Dr. Chase Andrew Baxter's NPI number is 1487145264. It was assigned on May 28, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Chase Andrew Baxter?
Dr. Chase Andrew Baxter is a pulmonologist in Alton, Illinois. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).
Where does Dr. Chase Andrew Baxter practice?
Dr. Baxter practices at One Memorial Drive, Alton, IL 62002. Dr. Baxter also practices at 1 Memorial Dr, Alton, IL 62002. Dr. Baxter's primary practice is Alton Memorial Hospital in Alton, Illinois, part of BJC Health. Dmand AI also links Dr. Baxter to 3 hospitals and 1 group practice or clinic.
What is Dr. Chase Andrew Baxter's office phone number?
The practice phone on file for Dr. Baxter is (314) 286-2227.
What is Dr. Chase Andrew Baxter's medical license number?
Dr. Baxter holds Illinois license 036.170121.
Which hospitals is Dr. Chase Andrew Baxter affiliated with?
Dr. Baxter practices at Alton Memorial Hospital in Alton, Illinois. Dr. Baxter is also affiliated with Barnes-Jewish Hospital. Dmand AI links Dr. Baxter to 3 more hospitals.
What medical group is Dr. Chase Andrew Baxter part of?
Dr. Baxter is linked to BJC Medical Group.
Does Dr. Chase Andrew Baxter accept Medicare?
Yes. CMS data shows Dr. Baxter billed Medicare for 425 services in 2024, and Dr. Baxter accepts Medicare assignment.
How many Medicare patients does Dr. Chase Andrew Baxter see?
CMS counts 178 Medicare patients who saw Dr. Baxter in 2024, with an average age of 74.
What services does Dr. Chase Andrew Baxter bill to Medicare?
In 2024, Dr. Baxter's most billed Medicare services were lung function service (94726), lung function service (94729) and hospital inpatient care (99232).
Show 4 more questionsShow fewer questions
Where did Dr. Chase Andrew Baxter go to medical school?
Dr. Baxter graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 2018.
What drugs does Dr. Chase Andrew Baxter prescribe most?
In 2024 Medicare Part D data, Dr. Baxter's most prescribed drugs by claims were Albuterol Sulfate Hfa, Fluticasone Propionate and Trelegy Ellipta.
Has Dr. Chase Andrew Baxter received payments from drug or device companies?
CMS Open Payments shows $1,454 in general payments to Dr. Baxter from 14 companies from 2024 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Chase Andrew Baxter been practicing?
Dr. Baxter graduated from medical school in 2018, 8 years ago.
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