MARK D THOMPSON MD
NPI 1043252067
Emergency Medicine in Barrington, IL

Q: What is Mark Thompson's NPI number?

The NPI number for Mark Thompson is 1043252067. It was assigned to this individual provider in the NPPES registry on June 12, 2006.

Q: What is Mark Thompson's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Q: When was this NPI record last updated?

The NPPES record for Mark Thompson was last updated on December 30, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.

Active since June 12, 2006PECOS Enrolled

450 W HIGHWAY 22, BARRINGTON, IL 60010(847) 381-9600 Get Directions Write a Review

NPPES record last updated: December 30, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Mark D Thompson Md NPPES

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

MARK D THOMPSON MD (NPI 1043252067) is an individual emergency medicine provider in Barrington, Illinois, licensed in Illinois (036-114218) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1043252067

Entity TypeIndividualMale

Primary Taxonomy207P00000X

Provider Legal NameMARK D THOMPSONCredential: MD

Location Address450 W HIGHWAY 22Barrington, IL 60010-1919

Mailing AddressPo Box 98Barrington, IL 60011-0098 · (616) 975-1845

Phone(847) 381-9600

Sole ProprietorNo

Enumeration DateJune 12, 2006

Last NPPES UpdateDecember 30, 2022

NPPES CertifiedDecember 30, 2022

✔ NPI 1043252067 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

License✔ Licensed in IL · 036-114218

Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

Also ListedAnesthesiologyTaxonomy 207L00000X · License 036114218 (IL)

450 W HIGHWAY 22, Barrington, IL 60010

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Other Identifiers 1

OtherP00645040IL · Railroad Medicare

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mark D Thompson Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignments

Medicare enrollment records show Mark Thompson reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Tri-County Emergency Physicians, Ltd

2.0 mi

Emergency Medicine

450 W HIGHWAY 22
Barrington, IL 60010

Reassigned Medicare billing, Illinois enrollment
38 clinicians in this Medicare group

NPI 1700810470 (847) 381-9600

Crystal Lake Immediate Care Physicians Ltd.

7.0 mi

Emergency Medicine

525 E CONGRESS PKWY, SUITE 100
Crystal Lake, IL 60014

Reassigned Medicare billing, Illinois enrollment
40 clinicians in this Medicare group

NPI 1538517198 (815) 479-7490

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 5

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.

Emergency department visit with high level of medical decision making 99285

An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.

232 services231 patients

Emergency department visit with moderate level of medical decision making 99284

An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.

103 services103 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

91 services83 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

61 services61 patients

Emergency department visit with low level of medical decision making 99283

An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.

21 services21 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60010 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

$93.02 typical visit price

range $59.81 – $181.38

Typical copayment $23.25 (range $14.95 – $45.34)

Most-billed visit code 99203

Established Patient

$105.07 typical visit price

range $19.15 – $147.12

Typical copayment $26.26 (range $4.78 – $36.78)

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.

Other Providers at the Same Location NPPES 20

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

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