DR. CHASE ANDREW BAXTER DO
NPI 1487145264
Internal Medicine - Pulmonary Disease in Alton, IL

Active since May 28, 2018PECOS EnrolledAccepts Medicare Assignment
4 MEMORIAL DR STE 230, ALTON, IL 62002(314) 653-5643(314) 653-5648 Get Directions Write a Review

NPPES record last updated: September 19, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 19, 2025, Jun 24, 2024, Jun 20, 2024 (3 updates tracked since 2024).

About Dr. Chase Andrew Baxter Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. CHASE ANDREW BAXTER DO (NPI 1487145264) is an individual pulmonary disease provider in Alton, Illinois, licensed in Illinois (036.170121) and active in the NPI registry since May 2018. He is enrolled in Medicare PECOS, is affiliated with Alton Memorial Hospital, and is a graduate of At Still University Of Health Sciences, College Of Osteo Med, Kirksville (2018).

NPPES Registry Identity

NPI1487145264
Entity TypeIndividualMale
Primary Taxonomy207RP1001X
Provider Legal NameDR. CHASE ANDREW BAXTERCredential: DO
Location Address4 MEMORIAL DR STE 230Alton, IL 62002-6704
Mailing Address660 Mason Ridge Center Dr Ste 300Saint Louis, MO 63141-8512 · (314) 448-3791 · Fax (314) 996-7658
Fax(314) 653-5648
Sole ProprietorNo
Medical School CMSAt Still University Of Health Sciences, College Of Osteo Med, KirksvilleGraduated 2018
Enumeration DateMay 28, 2018
Last NPPES UpdateSeptember 19, 20253 updates tracked since enumeration
NPPES CertifiedSeptember 19, 2025
NPI 1487145264 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
Licenses Licensed in IL · 036.170121 Licensed in IL · 036170121
Definition
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
4 MEMORIAL DR STE 230, Alton, IL 62002

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Chase Andrew Baxter Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4385999192
PECOS Enrollment IDI20240716000196
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 10

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Test to determine lung volumes using sensors 94726
This test, called spirometry, measures lung capacity using sensors. You breathe into a mouthpiece attached to a device that records the amount and rate of air you inhale and exhale. It helps diagnose and monitor lung conditions.
61 services61 patients
Test to examine how well the lungs exchange gases 94729
This is a test called a pulmonary function test, which helps understand the efficiency of your lungs. It measures how much air your lungs can hold, how quickly you can move air in and out of your lungs, and how well your lungs put oxygen into and remove carbon dioxide from your blood.
61 services61 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
61 services36 patients
Test to measure expiratory airflow and volume changes before and after medication administration 94060
This procedure measures how air flows in and out of your lungs. It's done before and after medication to see if the treatment improves your breathing. It's a simple, non-invasive test that involves breathing into a device called a spirometer.
48 services48 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
48 services35 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
44 services44 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Alton Memorial Hospital

Acute Care Hospitals · Alton, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140002
LocationOne Memorial DriveAlton, IL 62002 · Madison County
Emergency services Birthing friendly

Jersey Community Hospital

Acute Care Hospitals · Jerseyville, IL
3/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number140059
Location400 Maple Summit RoadJerseyville, IL 62052 · Jersey County
Emergency services

Memorial Hospital

Acute Care Hospitals · Belleville, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140185
Location4500 Memorial DriveBelleville, IL 62226 · St. Clair County
Emergency services Birthing friendly

Barnes Jewish Hospital

Acute Care Hospitals · Saint Louis, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number260032
LocationOne Barnes-Jewish Hospital PlazaSaint Louis, MO 63110 · St. Louis City County
Emergency services Birthing friendly

Christian Hospital Northeast

Acute Care Hospitals · Saint Louis, MO
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260180
Location11133 Dunn RoadSaint Louis, MO 63136 · St. Louis County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 62002 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$131.14 typical visit price
range $56.28 – $173.35
Typical copayment $32.78 (range $14.07 – $43.33)
Most-billed visit code 99204
Established Patient
$99.71 typical visit price
range $17.51 – $139.99
Typical copayment $24.92 (range $4.37 – $34.99)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
1 supplier12 claims12 services$21.30 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier12 claims12 services$119.41 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 19

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Family Medicine (Sleep Medicine)
4 MEMORIAL DR STE 230
ALTON, IL 62002
Internal Medicine (Gastroenterology)
4 MEMORIAL DR STE 230
ALTON, IL 62002
Surgery
4 MEMORIAL DR STE 230
ALTON, IL 62002
Psychiatry & Neurology (Neurology)
4 MEMORIAL DR STE 230
ALTON, IL 62002
Nurse Practitioner
4 MEMORIAL DR STE 230
ALTON, IL 62002
Psychiatry & Neurology (Neurology)
4 MEMORIAL DR STE 230
ALTON, IL 62002
Audiologist
4 MEMORIAL DR STE 230
ALTON, IL 62002
Internal Medicine (Endocrinology, Diabetes & Metabolism)
4 MEMORIAL DR STE 230
ALTON, IL 62002

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Chase Baxter's NPI number?

The NPI number for Chase Baxter is 1487145264. It was assigned to this individual provider in the NPPES registry on May 28, 2018.

Where is Chase Baxter located?

Chase Baxter practices at 4 Memorial Dr Ste 230, Alton, IL 62002. The listed phone number is (314) 653-5643.

What is Chase Baxter's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Chase Baxter enrolled in Medicare?

Yes. Chase Baxter is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Chase Baxter affiliated with any hospitals?

According to CMS data, Chase Baxter is affiliated with Alton Memorial Hospital, Jersey Community Hospital, Memorial Hospital, Barnes Jewish Hospital and Christian Hospital Northeast.

When was this NPI record last updated?

The NPPES record for Chase Baxter was last updated on September 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.