DR. CHRISTOPHER RYAN ALDRIDGE M.D.
NPI 1104026707
Surgery in Alton, IL

Q: What is Christopher Aldridge's NPI number?

The NPI number for Christopher Aldridge is 1104026707. It was assigned to this individual provider in the NPPES registry on July 20, 2007.

Q: What is Christopher Aldridge's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Active since July 20, 2007PECOS EnrolledAccepts Medicare Assignment

4 MEMORIAL DR STE 230, ALTON, IL 62002(618) 463-7833 Get Directions Write a Review

NPPES record last updated: May 15, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 15, 2023, Jan 29, 2021 (2 updates tracked since 2021).

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About Dr. Christopher Ryan Aldridge M.d. NPPES

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

DR. CHRISTOPHER RYAN ALDRIDGE M.D. (NPI 1104026707) is an individual surgery provider in Alton, Illinois, licensed in Illinois (036.130520) and active in the NPI registry since July 2007. He is enrolled in Medicare PECOS, is affiliated with Alton Memorial Hospital, and is a graduate of Other (2007).

NPPES Registry Identity

NPI1104026707

Entity TypeIndividualMale

Primary Taxonomy208600000X

Provider Legal NameDR. CHRISTOPHER RYAN ALDRIDGECredential: M.D.

Location Address4 MEMORIAL DR STE 230Alton, IL 62002-6704

Mailing Address4 Memorial Dr Ste 230Alton, IL 62002-6704 · (618) 463-7833

Phone(618) 463-7833

Sole ProprietorNo

Medical School CMSOtherGraduated 2007

Enumeration DateJuly 20, 2007

Last NPPES UpdateMay 15, 20232 updates tracked since enumeration

NPPES CertifiedMay 15, 2023

✔ NPI 1104026707 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians

Taxonomy Code208600000X

License✔ Licensed in IL · 036.130520

Definition

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

4 MEMORIAL DR STE 230, Alton, IL 62002

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Christopher Ryan Aldridge M.d. 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 ID941459713

PECOS Enrollment IDI20121011000439

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.

Medicare Billing Reassignment

Medicare enrollment records show Christopher Aldridge reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Fairview Heights Medical Group, Sc

23 mi

Internal Medicine

670 MASON RIDGE CENTER DR, STE 300
Saint Louis, MO 63141

Reassigned Medicare billing, Illinois and Missouri enrollments
Also billed through NPI 1679503668 (Missouri)
507 clinicians in this Medicare group

NPI 1811392210 (314) 996-7644

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 7

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.

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

42 services42 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

34 services28 patients

Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

23 services22 patients

Fluoroscopic guidance for insertion or removal of central vein access device 77001

Fluoroscopic guidance for central vein access device insertion or removal is a procedure where a special X-ray, called a fluoroscope, is used to help accurately place or remove a device in a central vein. This device aids in delivering medications or collecting blood samples.

17 services15 patients

Removal of gallbladder using an endoscope 47562

This procedure, known as endoscopic gallbladder removal, involves a surgeon using a special tool called an endoscope to remove your gallbladder through small incisions. It's typically done to treat gallstones and related complications. It's a less invasive method, often leading to quicker recovery.

16 services16 patients

Repair of groin hernia using an endoscope 49650

This procedure involves the use of an endoscope, a thin tube with a camera, to repair a hernia in the groin area. The surgeon makes small incisions, inserts the endoscope, and uses special tools to fix the hernia. This minimally invasive technique often results in quicker recovery times.

12 services12 patients

Hospital Affiliations CMS Care Compare 3

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

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

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

$88.44 typical visit price

range $56.28 – $173.35

Typical copayment $22.11 (range $14.07 – $43.33)

Most-billed visit code 99203

Established Patient

$70.42 typical visit price

range $17.51 – $139.99

Typical copayment $17.60 (range $4.37 – $34.99)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 18

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

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