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MICHAEL CHANDLER SEVERSON
NPI 1124522883
Emergency Medicine in Dubuque, IA

Active since March 19, 2018PECOS EnrolledAccepts Medicare Assignment
250 MERCY DR, DUBUQUE, IA 52001(563) 589-9667 Get Directions Write a Review

NPPES record last updated: September 30, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 30, 2022, Aug 4, 2021, Aug 10, 2020 and 2 more (5 updates tracked since 2018).

About Michael Chandler Severson NPPES

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

MICHAEL CHANDLER SEVERSON (NPI 1124522883) is an individual emergency medicine provider in Dubuque, Iowa, licensed in Texas (S4683) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS, is affiliated with University Of Iowa Health Care Medical Center Down, and is a graduate of Other (2018).

NPPES Registry Identity

NPI1124522883
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameMICHAEL CHANDLER SEVERSON
Location Address250 MERCY DRDubuque, IA 52001-7320
Mailing Address250 Mercy DrDubuque, IA 52001-7320 · (563) 589-9667
Phone(563) 589-9667
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateMarch 19, 2018
Last NPPES UpdateSeptember 30, 20225 updates tracked since enumeration
NPPES CertifiedSeptember 30, 2022
✔ NPI 1124522883 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in TX · S4683✔ Licensed in IA · MD-48332
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.
250 MERCY DR, Dubuque, IA 52001
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health, Oscar Insurance Company, Wellmark Health Plan of Iowa, Inc..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

Michael Chandler Severson 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 ID7416204722
PECOS Enrollment IDI20210607001010
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

5

Medicare enrollment records show Michael Severson reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Dubuque Emergency Physicians PC
Same address
Emergency Medicine
250 MERCY DR
Dubuque, IA 52001
  • Reassigned Medicare billing, Iowa enrollment
  • 12 clinicians in this Medicare group
NPI 1447295365 (563) 589-8000
Mercy Medical Center-Dyersville
23 mi
Critical Access
1111 3RD ST SW
Dyersville, IA 52040
  • Reassigned Medicare billing, Iowa enrollment
  • 62 clinicians in this Medicare group
NPI 1205816725 (563) 875-7101
Central Community Hospital
45 mi
Rural Health
911 CARTER ST NW
Elkader, IA 52043
  • Reassigned Medicare billing, Iowa enrollment
  • 51 clinicians in this Medicare group
NPI 1952986010 (563) 245-7000
Linn County Emergency Medicine PC
61 mi
Emergency Medicine
1195 BOYSON RD STE 101
Hiawatha, IA 52233
  • Reassigned Medicare billing, Iowa enrollment
  • 51 clinicians in this Medicare group
NPI 1275151003 (319) 832-3950
Johnson County Emergency Medicine, Plc
72 mi
Emergency Medicine
500 E MARKET ST
Iowa City, IA 52245
  • Reassigned Medicare billing, Iowa enrollment
  • 55 clinicians in this Medicare group
NPI 1316582729 (817) 451-4208

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.
262 services240 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.
159 services147 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.
74 services72 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.
24 services24 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.
18 services18 patients

Hospital Affiliations CMS Care Compare 3

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

University Of Iowa Health Care Medical Center Down

Acute Care Hospitals · Iowa City, IA
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number160029
Location500 E Market StreetIowa City, IA 52245 · Johnson County
Emergency services Birthing friendly

Mercyone Dubuque Medical Center

Acute Care Hospitals · Dubuque, IA
5/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number160069
Location250 Mercy DriveDubuque, IA 52001 · Dubuque County
Emergency services Birthing friendly

Mercy Medical Center - Cedar Rapids

Acute Care Hospitals · Cedar Rapids, IA
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number160079
Location701 10th Street SECedar Rapids, IA 52403 · Linn County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 52001 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
$81.84 typical visit price
range $52.96 – $161.40
Typical copayment $20.46 (range $13.24 – $40.35)
Most-billed visit code 99203
Established Patient
$94.05 typical visit price
range $16.91 – $131.98
Typical copayment $23.51 (range $4.22 – $32.99)
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.

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.

ANDREW NADERMANN
Registered Nurse (Psychiatric/Mental Health)
250 MERCY DR
DUBUQUE, IA 52001
Dubuque County (563) 589-8000
MERCY RADIOLOGISTS OF DUBUQUE, P.C.
Radiology (Diagnostic Radiology)
250 MERCY DR
DUBUQUE, IA 52001
Dubuque County (563) 589-8796
JOHN DANIEL ENGELKEN M.D.
Radiology (Diagnostic Radiology)
250 MERCY DR
DUBUQUE, IA 52001
Dubuque County (563) 589-8796
MISS ANNE M GLASER ARNP
Nurse Practitioner (Women's Health)
250 MERCY DR
DUBUQUE, IA 52001
Dubuque County (563) 589-8595
MICHAEL COLEMAN
Pharmacist
250 MERCY DR
DUBUQUE, IA 52001
Dubuque County (563) 589-8902
JILL BALLANTINE AGACNP
Nurse Practitioner (Gerontology)
250 MERCY DR
DUBUQUE, IA 52001
Dubuque County (563) 584-3226
EMMA SUE PIEHL RPH, PHARMD
Pharmacist
250 MERCY DR
DUBUQUE, IA 52001
Dubuque County (563) 589-7390
MERCY MEDICAL CENTER-DUBUQUE
Skilled Nursing Facility
250 MERCY DR
DUBUQUE, IA 52001
Dubuque County (563) 589-8000

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 Michael Severson's NPI number?

The NPI number for Michael Severson is 1124522883. It was assigned to this individual provider in the NPPES registry on March 19, 2018.

Where is Michael Severson located?

Michael Severson practices at 250 Mercy Dr, Dubuque, IA 52001. The listed phone number is (563) 589-9667.

What is Michael Severson's specialty?

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

Is Michael Severson enrolled in Medicare?

Yes. Michael Severson 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.

Which organizations bill Medicare for Michael Severson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Severson reassigns Medicare benefits to 5 organizations: Dubuque Emergency Physicians PC (Dubuque, IA), Mercy Medical Center-Dyersville (Dyersville, IA), Central Community Hospital (Elkader, IA), Linn County Emergency Medicine PC (Hiawatha, IA) and Johnson County Emergency Medicine, Plc (Iowa City, IA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Michael Severson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Michael Severson accept?

Health plans from Oscar Health, Oscar Insurance Company and Wellmark Health Plan of Iowa, Inc. list Michael Severson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Michael Severson affiliated with any hospitals?

According to CMS data, Michael Severson is affiliated with University Of Iowa Health Care Medical Center Down, Mercyone Dubuque Medical Center and Mercy Medical Center - Cedar Rapids.

When was this NPI record last updated?

The NPPES record for Michael Severson was last updated on September 30, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.