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MASON WADE RAU MD
NPI 1093274243
Internal Medicine in Gonzales, LA

Active since March 18, 2019PECOS EnrolledAccepts Medicare Assignment
2647 S SAINT ELIZABETH BLVD STE 219, GONZALES, LA 70737(225) 647-8511(225) 644-8358 Get Directions Write a Review

NPPES record last updated: March 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 13, 2026, Nov 1, 2022, Sep 9, 2022 and 3 more (6 updates tracked since 2019).

About Mason Wade Rau Md NPPES

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

MASON WADE RAU MD (NPI 1093274243) is an individual internal medicine provider in Gonzales, Louisiana, licensed in Louisiana (330991) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, is affiliated with Our Lady Of The Lake Regional Medical Center, and maintains a secondary practice location in Gonzales.

NPPES Registry Identity

NPI1093274243
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMASON WADE RAUCredential: MD
Location Address2647 S SAINT ELIZABETH BLVD STE 219Gonzales, LA 70737-5020
Mailing Address5959 S Sherwood Forest BlvdBaton Rouge, LA 70816-6038 · (225) 647-8511 · Fax (225) 644-8358
Phone(225) 647-8511
Fax(225) 644-8358
Sole ProprietorNo
Medical School CMSLouisiana State University School Of Medicine In New OrleansGraduated 2019
Enumeration DateMarch 18, 2019
Last NPPES UpdateMarch 13, 20266 updates tracked since enumeration
NPPES CertifiedMarch 13, 2026
✔ NPI 1093274243 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 · 330991
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.
2647 S SAINT ELIZABETH BLVD STE 219, Gonzales, LA 70737
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Secondary Practice Location 1

Location 11023 W Highway 30Gonzales, LA 70737-5002 · Phone (225) 765-5500 · Fax (225) 647-5342

Other Identifiers 1

Medicaid2494970LA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include AmeriHealth Caritas Next, Blue Cross and Blue Shield of Louisiana, HMO Louisiana and more.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

Mason Wade Rau Md 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 ID7618205899
PECOS Enrollment IDI20220616000013
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.

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.
95 services57 patients

Hospital Affiliations CMS Care Compare

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

Our Lady Of The Lake Regional Medical Center

Acute Care Hospitals · Baton Rouge, LA
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number190064
Location5000 Hennessy BlvdBaton Rouge, LA 70808 · E. Baton Rouge County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 70737 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 3

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

GAIL GROS TURNER APRN, FNP-C
Nurse Practitioner (Family)
2647 S SAINT ELIZABETH BLVD STE 219
GONZALES, LA 70737
Ascension Parish (225) 765-5500
MR. DAVID HENRY SEPULVEDA PA-C
Physician Assistant (Surgical)
2647 S SAINT ELIZABETH BLVD STE 219
GONZALES, LA 70737
Ascension Parish (225) 647-8511
DR. MICHAEL SHANE BODIN MD
Family Medicine
2647 S SAINT ELIZABETH BLVD STE 219
GONZALES, LA 70737
Ascension Parish (225) 765-5500

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 Mason Rau's NPI number?

The NPI number for Mason Rau is 1093274243. It was assigned to this individual provider in the NPPES registry on March 18, 2019.

Where is Mason Rau located?

Mason Rau practices at 2647 S Saint Elizabeth Blvd Ste 219, Gonzales, LA 70737. The listed phone number is (225) 647-8511.

What is Mason Rau's specialty?

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

Is Mason Rau enrolled in Medicare?

Yes. Mason Rau 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 Mason Rau accept?

Health plans from AmeriHealth Caritas Next, Blue Cross and Blue Shield of Louisiana, HMO Louisiana and UnitedHealthcare list Mason Rau 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 Mason Rau affiliated with any hospitals?

According to CMS data, Mason Rau is affiliated with Our Lady Of The Lake Regional Medical Center.

When was this NPI record last updated?

The NPPES record for Mason Rau was last updated on March 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.