Dr. Mason Wade Rau, MD
- Medicare services, 2024
- 121
- Medicare patients, 2024
- 75
- Part D claims, 2024
- 5,068
- Hospital affiliations
- 1
- Industry payments
- $3,559
- Practice address
- 2647 S St Elizabeth Blvd, Gonzales, LA 70737
- Practice phone
- Call (225) 765-7727
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Our Lady of the Lake Physician Group
Gonzales, Louisiana
Find Dr. Rau's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Mason Wade Rau is an internist in Gonzales, Louisiana
Dr. Rau practices at Our Lady of the Lake Physician Group in Gonzales, Louisiana.
Dr. Rau's NPI, 1093274243, was assigned on March 18, 2019. Dr. Rau graduated from Louisiana State University School of Medicine in New Orleans in 2019. Dr. Rau holds Louisiana license 330991.
- NPI
- 1093274243NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7618205899
- NPI enumeration date
- March 18, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (225) 765-7727
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mason Wade Rau practices at Our Lady of the Lake Physician Group in Gonzales, Louisiana
Dr. Rau's primary practice is Our Lady of the Lake Physician Group, at 2647 S St Elizabeth Blvd, Gonzales, LA 70737 in Ascension Parish. The practice phone is (225) 765-7727.
- Our Lady of the Lake Physician Group2647 S St Elizabeth Blvd, Gonzales, LA 70737 · Ascension ParishPhone(225) 765-7727
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Mason Wade Rau is affiliated with 3 sites of care and 1 medical group
Dr. Rau's primary practice is Our Lady of the Lake Physician Group in Gonzales, Louisiana. Dr. Rau is also affiliated with Our Lady of the Lake Regional Medical Center. The medical group on file is Our Lady of the Lake Physician Group. Dmand AI also links Dr. Rau to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Mason Wade Rau's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rau practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Our Lady of the Lake Physician Group | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mason Wade Rau is one of 1,571 internists in Louisiana
Internal medicine is Dr. Rau's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Rau is licensed in Louisiana.
Specialties and state licenses
- Internal medicine, LouisianaPrimary
Internists near Dr. Rau
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Mason Wade Rau billed Medicare for 121 services in 2024
CMS data shows 121 Medicare services from Dr. Rau across 2 procedure codes in 2024, for 75 Medicare patients. Medicare paid $8,167 for them. Every service was in an office.
Dr. Rau's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1162024: 9518%
- Other services
- 2023: 02024: 26
Dr. Rau compared with the Louisiana median for internists, 2024
- Dr. Rau
- Louisiana median
- Medicare services
- 121vs 42171% below
- Medicare patients
- 75vs 16053% below
- Part D claims
- 4,393vs 40810.8 times
Medians across 1,561 internists in Louisiana with Dmand AI profiles that report each measure.
Dr. Rau's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Rau and other internists in Louisiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mason Wade Rau treated 75 Medicare patients in 2024, average age 69
CMS counts 75 Medicare patients who saw Dr. Rau in 2024. The largest group is 65 to 74, with 34 patients. 73% of them have high blood pressure, and 72% have high cholesterol. 31% are also on Medicaid. Their average risk score is 1.59, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Rau's median patient age at 48, with 56% women.
Dr. Rau's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Rau's Medicare patients by sex, 2024
- Women3952%
- Men3648%
Chronic conditions among Dr. Rau's Medicare patients, 2024
- High blood pressure73%
- High cholesterol72%
- Arthritis36%
- Anxiety24%
- Diabetes24%
- Ischemic heart disease23%
- Tobacco use21%
- COPD20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Rau's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 48
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mason Wade Rau wrote 5,068 Medicare Part D claims in 2024
In 2024, Dr. Rau wrote 5,068 Medicare Part D claims for 335 patients. 82% of them were for generic drugs. CMS names the drug for 4,393 of them, across 109 drugs with 11 or more claims each, at $626,936 in total drug cost. In 2023, CMS named 2,005 claims across 68 drugs.
Dr. Rau's Part D claims by kind of drug, 2024
- Generic4,162 claims82%
- Brand-name882 claims17%
- Other24 claims0%
Dr. Rau's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Rau's Part D claims, 2024
- Opioids2%121 of 5,068 claims
- Antibiotics1%76 of 5,068 claims
- Antipsychotics, patients 65 and over0%23 of 5,068 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2,0052024: 4,393119%
Drugs named by CMS: 109 in 2024, 68 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Mason Wade Rau offers telehealth to Medicare patients
Dr. Rau accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Rau as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Mason Wade Rau received $3,559 in industry payments from 2022 to 2025
CMS Open Payments shows 203 general payments to Dr. Rau from 37 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $660.
General payments to Dr. Rau by program year, 2022 to 2025
Companies that paid Dr. Rau the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mason Wade Rau graduated from Louisiana State University School of Medicine in New Orleans
Dr. Rau graduated from Louisiana State University School of Medicine in New Orleans in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mason Wade Rau's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Mason Wade Rau
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Mason Wade Rau's NPI number?
Dr. Mason Wade Rau's NPI number is 1093274243. It was assigned on March 18, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Mason Wade Rau?
Dr. Mason Wade Rau is an internist in Gonzales, Louisiana. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Mason Wade Rau practice?
Dr. Rau practices at 2647 S St Elizabeth Blvd, Gonzales, LA 70737. Dr. Rau's primary practice is Our Lady of the Lake Physician Group in Gonzales, Louisiana. Dmand AI also links Dr. Rau to 1 group practice or clinic.
What is Dr. Mason Wade Rau's office phone number?
The practice phone on file for Dr. Rau is (225) 765-7727.
What is Dr. Mason Wade Rau's medical license number?
Dr. Rau holds Louisiana license 330991.
Which hospitals is Dr. Mason Wade Rau affiliated with?
Dr. Rau is affiliated with Our Lady of the Lake Regional Medical Center.
What medical group is Dr. Mason Wade Rau part of?
Dr. Rau is linked to Our Lady of the Lake Physician Group.
Does Dr. Mason Wade Rau accept Medicare?
Yes. CMS data shows Dr. Rau billed Medicare for 121 services in 2024, and Dr. Rau accepts Medicare assignment.
Does Dr. Mason Wade Rau offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Rau as offering telehealth services.
How many Medicare patients does Dr. Mason Wade Rau see?
CMS counts 75 Medicare patients who saw Dr. Rau in 2024, with an average age of 69.
Show 5 more questionsShow fewer questions
What services does Dr. Mason Wade Rau bill to Medicare?
In 2024, Dr. Rau's most billed Medicare services were office visit, established patient (99214) and medicare service (G2211).
Where did Dr. Mason Wade Rau go to medical school?
Dr. Rau graduated from Louisiana State University School of Medicine in New Orleans in 2019.
What drugs does Dr. Mason Wade Rau prescribe most?
In 2024 Medicare Part D data, Dr. Rau's most prescribed drugs by claims were Atorvastatin Calcium, Gabapentin and Amlodipine Besylate.
Has Dr. Mason Wade Rau received payments from drug or device companies?
CMS Open Payments shows $3,559 in general payments to Dr. Rau from 37 companies from 2022 to 2025. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. Mason Wade Rau been practicing?
Dr. Rau graduated from medical school in 2019, 7 years ago.
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