MARY DAHLEN APRN
NPI 1235358003
Nurse Practitioner in Lake Charles, LA

Active since April 24, 2007PECOS EnrolledAccepts Medicare Assignment
1000 WALTERS ST, LAKE CHARLES, LA 70607(337) 475-8100 Get Directions Write a Review

NPPES record last updated: December 27, 2016. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Mary Dahlen Aprn NPPES

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

MARY DAHLEN APRN (NPI 1235358003) is an individual nurse practitioner in Lake Charles, Louisiana, licensed in Louisiana (081161) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS and is a graduate of Other (1996).

NPPES Registry Identity

NPI1235358003
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMARY DAHLENCredential: APRN
Location Address1000 WALTERS STLake Charles, LA 70607-4647
Mailing Address501 Dr Michael Debakey DrLake Charles, LA 70601-5724 · (337) 475-8100
Sole ProprietorNo
Medical School CMSOtherGraduated 1996
Enumeration DateApril 24, 2007
Last NPPES UpdateDecember 27, 2016
NPI 1235358003 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License Licensed in LA · 081161
Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

1000 WALTERS ST, Lake Charles, LA 70607

Other Identifiers 1

Medicaid1022799LA

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 and accepts Medicare assignment

Mary Dahlen Aprn 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 ID7517068893
PECOS Enrollment IDI20070731000377
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

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.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 70607 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.

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$16.15 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$77.51 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 20

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

Pharmacist
1000 WALTERS ST
LAKE CHARLES, LA 70607
Pharmacist
1000 WALTERS ST
LAKE CHARLES, LA 70607
Nurse Anesthetist, Certified Registered
1000 WALTERS ST, LSU W O MOSS REGIONAL MEDICAL CENTER
LAKE CHARLES, LA 70607
Dietitian, Registered
1000 WALTERS ST
LAKE CHARLES, LA 70607
Nurse Practitioner (Family)
1000 WALTERS ST
LAKE CHARLES, LA 70607
Family Medicine
1000 WALTERS ST
LAKE CHARLES, LA 70607
Internal Medicine (Hospice and Palliative Medicine)
1000 WALTERS ST
LAKE CHARLES, LA 70607
Pediatrics
1000 WALTERS ST
LAKE CHARLES, LA 70607

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 Mary Dahlen's NPI number?

The NPI number for Mary Dahlen is 1235358003. It was assigned to this individual provider in the NPPES registry on April 24, 2007.

Where is Mary Dahlen located?

Mary Dahlen practices at 1000 Walters St, Lake Charles, LA 70607. The listed phone number is (337) 475-8100.

What is Mary Dahlen's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Mary Dahlen enrolled in Medicare?

Yes. Mary Dahlen 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.

What insurance does Mary Dahlen accept?

Health plans from CHRISTUS Health Plan list Mary Dahlen 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.

When was this NPI record last updated?

The NPPES record for Mary Dahlen was last updated on December 27, 2016. NPI Profile syncs with the weekly NPPES data releases published by CMS.