MARIE DELVALLE-MAHONEY M.D.
NPI 1972645786
Internal Medicine in Slidell, LA

Active since February 12, 2007PECOS EnrolledAccepts Medicare Assignment
1570 LINDBERG DR STE 14, SLIDELL, LA 70458(985) 646-0945(985) 643-8510 Get Directions Write a Review

NPPES record last updated: February 16, 2024. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Nov 24, 2020, Nov 17, 2020, Nov 2, 2020 (3 updates tracked since 2020).

About Marie Delvalle-mahoney M.d. NPPES

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

MARIE DELVALLE-MAHONEY M.D. (NPI 1972645786) is an individual internal medicine provider in Slidell, Louisiana, licensed in Louisiana (11216R) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS, is affiliated with Ochsner Medical Center Acute, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1972645786
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameMARIE DELVALLE-MAHONEYCredential: M.D.
Location Address1570 LINDBERG DR STE 14Slidell, LA 70458-8084
Mailing Address5959 S Sherwood Forest BlvdBaton Rouge, LA 70816-6038 · (225) 765-5727 · Fax (225) 765-9196
Fax(985) 643-8510
Sole ProprietorYes
Medical School CMSRutgers R W Johnson Medical School (cam/new Bruns/pisc)Graduated 1991
Enumeration DateFebruary 12, 2007
Last NPPES UpdateFebruary 16, 20243 updates tracked since enumeration
NPPES CertifiedFebruary 16, 2024
NPI 1972645786 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in LA · 11216R
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1570 LINDBERG DR STE 14, Slidell, LA 70458

Secondary Practice Locations 3

Location 170411 Highway 21Covington, LA 70433-8243 · Phone (985) 400-5566 · Fax (985) 400-5560
Location 2420 Avenue FBogalusa, LA 70427-3634 · Phone (985) 730-6970 · Fax (985) 730-6363
Location 3433 Plaza StBogalusa, LA 70427-3729 · Phone (985) 730-6700 · Fax (985) 730-6713

Other Identifiers 1

Medicaid1666386LA

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

Marie Delvalle-mahoney 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 ID8628973401
PECOS Enrollment IDI20040129000184
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 17

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
287 services148 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.
128 services92 patients
Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
75 services53 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
63 services63 patients
Injection, dexamethasone sodium phosphate, 1 mg J1100
Dexamethasone sodium phosphate is a medication given via injection. It is a type of steroid that helps reduce inflammation and immune responses. It can be used to treat a variety of conditions, such as allergies, skin conditions, arthritis, and more.
48 services12 patients
Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 87880
A detection test by immunoassay for Group A Strep is a quick procedure to identify a bacterial infection in your throat. It involves taking a throat swab and applying it to a test strip, which changes color if Strep bacteria are present.
35 services26 patients

Hospital Affiliations CMS Care Compare 5

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

Ochsner Medical Center Acute

Acute Care Hospitals · New Orleans, LA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number190036
Location1516 Jefferson HwyNew Orleans, LA 70121 · Jefferson County
Emergency services Birthing friendly

Slidell Memorial Hospital

Acute Care Hospitals · Slidell, LA
3/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number190040
Location1001 Gause BlvdSlidell, LA 70458 · St. Tammany County
Emergency services Birthing friendly

St Tammany Parish Hospital

Acute Care Hospitals · Covington, LA
4/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number190045
Location1202 S Tyler StreetCovington, LA 70433 · St. Tammany County
Emergency services Birthing friendly

Highland Community Hospital

Acute Care Hospitals · Picayune, MS
2/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number250117
Location130 Highland PkwyPicayune, MS 39466 · Pearl River County
Emergency services Birthing friendly

Ochsner Medical Center-Hancock

Acute Care Hospitals · Bay Saint Louis, MS
OwnershipGovernment - Local
CMS Certification Number250162
Location149 Drinkwater BlvdBay Saint Louis, MS 39520 · Hancock County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 70458 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
$124.60 typical visit price
range $53.43 – $164.73
Typical copayment $31.15 (range $13.35 – $41.18)
Most-billed visit code 99204
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

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

Family Medicine
1570 LINDBERG DR STE 14
SLIDELL, LA 70458

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 Marie Delvalle-mahoney's NPI number?

The NPI number for Marie Delvalle-mahoney is 1972645786. It was assigned to this individual provider in the NPPES registry on February 12, 2007.

Where is Marie Delvalle-mahoney located?

Marie Delvalle-mahoney practices at 1570 Lindberg Dr Ste 14, Slidell, LA 70458. The listed phone number is (985) 646-0945.

What is Marie Delvalle-mahoney's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Marie Delvalle-mahoney enrolled in Medicare?

Yes. Marie Delvalle-mahoney 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 Marie Delvalle-mahoney accept?

Health plans from Blue Cross and Blue Shield of Louisiana, HMO Louisiana and UnitedHealthcare list Marie Delvalle-mahoney 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 Marie Delvalle-mahoney affiliated with any hospitals?

According to CMS data, Marie Delvalle-mahoney is affiliated with Ochsner Medical Center Acute, Slidell Memorial Hospital, St Tammany Parish Hospital, Highland Community Hospital and Ochsner Medical Center-Hancock.

When was this NPI record last updated?

The NPPES record for Marie Delvalle-mahoney was last updated on February 16, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.