MARK A. ST. CYR MD
NPI 1184678997
Emergency Medicine - Emergency Medical Services in Lafayette, LA

Active since May 19, 2006PECOS Enrolled
2100 JEFFERSON ST, LAFAYETTE, LA 70501(337) 261-0734 Get Directions Write a Review

NPPES record last updated: April 15, 2008. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Mark A. St. Cyr Md NPPES

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

MARK A. ST. CYR MD (NPI 1184678997) is an individual emergency medical services provider in Lafayette, Louisiana, licensed in Louisiana (018991) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Avoyelles Hospital, and is a graduate of Louisiana State University School Of Medicine In Shreveport (1986).

NPPES Registry Identity

NPI1184678997
Entity TypeIndividualMale
Primary Taxonomy207PE0004X
Provider Legal NameMARK A. ST. CYRCredential: MD
Location Address2100 JEFFERSON STLafayette, LA 70501-8556
Mailing Address2100 Jefferson StLafayette, LA 70501-8556 · (337) 261-0734
Sole ProprietorNo
Medical School CMSLouisiana State University School Of Medicine In ShreveportGraduated 1986
Enumeration DateMay 19, 2006
Last NPPES UpdateApril 15, 2008
NPI 1184678997 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyEmergency Medicine · Emergency Medical ServicesAllopathic & Osteopathic Physicians
Taxonomy Code207PE0004X
License Licensed in LA · 018991
Definition

An emergency medicine physician who specializes in non-hospital based emergency medical services (e.g., disaster site, accident scene, transport vehicle, etc.) to provide pre-hospital assessment, treatment, and transport patients.

2100 JEFFERSON ST, Lafayette, LA 70501

Other Identifiers 3

Medicare ID-Type Unspecified52791CQ31LA
Medicare UPIND84421LA
Medicaid1365963LA

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Mark A. St. Cyr Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9335197748
PECOS Enrollment IDI20050112000006
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 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 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.
76 services72 patients
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.
39 services38 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.
31 services30 patients
Emergency department visit with straightforward medical decision making 99282
An emergency department visit for a mild to moderate issue is when you seek immediate medical attention for a non-life-threatening condition. This could include minor injuries, moderate pain, or illnesses like the flu. During the visit, healthcare professionals assess your condition, provide treatment, and may recommend follow-up care.
24 services23 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.
13 services13 patients

Hospital Affiliations CMS Care Compare 5

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

Avoyelles Hospital

Acute Care Hospitals · Marksville, LA
2/5 CMS rating
OwnershipProprietary
CMS Certification Number190099
Location4231 Highway 1192Marksville, LA 71351 · Avoyelles County
Emergency services

Claiborne Memorial Medical Center

Acute Care Hospitals · Homer, LA
OwnershipGovernment - Hospital District or Authority
CMS Certification Number190114
Location620 East College StreetHomer, LA 71040 · Claiborne County
Emergency services

East Carroll Parish Hospital

Acute Care Hospitals · Lake Providence, LA
OwnershipGovernment - Hospital District or Authority
CMS Certification Number190208
Location336 North Hood StreetLake Providence, LA 71254 · East Carroll County
Emergency services

Christus Coushatta Health Care Center

Critical Access Hospitals · Coushatta, LA
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number191312
Location1635 Marvel StreetCoushatta, LA 71019 · Red River County
Emergency services

Acadia St Landry

Critical Access Hospitals · Church Point, LA
OwnershipGovernment - Hospital District or Authority
CMS Certification Number191319
Location810 South Broadway StreetChurch Point, LA 70525 · Acadia County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 70501 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
$83.60 typical visit price
range $53.43 – $164.73
Typical copayment $20.90 (range $13.35 – $41.18)
Most-billed visit code 99203
Established Patient
$95.09 typical visit price
range $16.64 – $133.62
Typical copayment $23.77 (range $4.16 – $33.40)
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 4

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

Internal Medicine
2100 JEFFERSON ST
LAFAYETTE, LA 70501
Psychologist (Clinical)
2100 JEFFERSON ST
LAFAYETTE, LA 70501
Counselor (Addiction (Substance Use Disorder))
2100 JEFFERSON ST
LAFAYETTE, LA 70501
Family Medicine
2100 JEFFERSON ST, VA MEDICAL CENTER OF ALEXANDRIA MC, LCBOC
LAFAYETTE, LA 70501

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 Mark St. Cyr's NPI number?

The NPI number for Mark St. Cyr is 1184678997. It was assigned to this individual provider in the NPPES registry on May 19, 2006.

Where is Mark St. Cyr located?

Mark St. Cyr practices at 2100 Jefferson St, Lafayette, LA 70501. The listed phone number is (337) 261-0734.

What is Mark St. Cyr's specialty?

The primary specialty registered for this NPI is Emergency Medicine, specializing in Emergency Medical Services, with taxonomy code 207PE0004X.

Is Mark St. Cyr enrolled in Medicare?

Yes. Mark St. Cyr is registered in the Medicare PECOS enrollment system.

What insurance does Mark St. Cyr accept?

Health plans from CHRISTUS Health Plan and HMO Louisiana list Mark St. Cyr 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 Mark St. Cyr affiliated with any hospitals?

According to CMS data, Mark St. Cyr is affiliated with Avoyelles Hospital, Claiborne Memorial Medical Center, East Carroll Parish Hospital, Christus Coushatta Health Care Center and Acadia St Landry.

When was this NPI record last updated?

The NPPES record for Mark St. Cyr was last updated on April 15, 2008. NPI Profile syncs with the weekly NPPES data releases published by CMS.