Doctor profile · Federal record
Dr. Mason Rau, MD
Internal Medicine Physician (CMS: Internal Medicine) · Gonzales, LA
- NPI 1093274243
- Accepts Medicare
- 7 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
2647 S Saint Elizabeth Blvd Ste 219
Gonzales, LA 707375020
(225) 647-8511
fax (225) 644-8358 - Additional location
-
1023 W Highway 30
Gonzales, LA 707375002
(225) 765-5500
fax (225) 647-5342 - Mailing address
-
5959 S Sherwood Forest Blvd
Baton Rouge, LA 708166038
Credentials & registration
- NPI registered
- March 2019 — 7 yrs on file
- Profile last updated
- March 13, 2026
- Year of graduation
- 2019 — 7 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Louisiana #330991
- Medicaid
- LA #2494970
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1093274243. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
116
Distinct HCPCS
3
Medicare allowed
$13,812
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 88 | 46 | $119 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 14 | 14 | $158 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 14 | 14 | $80 |
In context: peer comparison
Among 6 peers in this city , average services per provider: 36. This provider delivers 3.2× the peer median.Open Payments
Industry payments received
All-time total
$1,135
Transactions
54
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| GlaxoSmithKline, LLC. | 11 | $199.28 | |
| Lilly USA, LLC | 12 | $157.47 | |
| Bayer Healthcare Pharmaceuticals Inc. | 6 | $118.13 | |
| Axsome Therapeutics, Inc. | 4 | $98.04 | |
| ABBVIE INC. | 4 | $85.72 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 3 | $70.94 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 3 | $55.36 | |
| Forte Bio-Pharma LLC | 3 | $44.45 | |
| AstraZeneca Pharmaceuticals LP | 1 | $29.90 | |
| Dexcom, Inc. | 1 | $29.66 | |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | 2 | $29.02 | |
| PFIZER INC. | 1 | $21.83 | |
| Xeris Pharmaceuticals, Inc. | 1 | $21.19 | |
| Antares Pharma, Inc. | 1 | $19.86 | |
| E.R. Squibb & Sons, L.L.C. | 1 | $19.62 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,001
Patients
324
Total drug cost
$188,299
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Gabapentin | Generic | 122 | 38 | $1,429 |
| Atorvastatin Calcium | Generic | 116 | 46 | $1,664 |
| Amlodipine Besylate | Generic | 109 | 40 | $984 |
| Pantoprazole Sodium | Generic | 75 | 22 | $670 |
| Jardiance (Empagliflozin) | Brand | 67 | 19 | $81,173 |
| Trulicity (Dulaglutide) | Brand | 64 | 15 | $77,862 |
| Furosemide | Generic | 63 | 22 | $293 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 56 | 19 | $1,618 |
| Lisinopril | Generic | 56 | 22 | $413 |
| Alprazolam | Generic | 51 | 12 | $283 |
Hospital affiliations
Frequently asked questions
What is Dr. Mason Rau's medical specialty?
Dr. Mason Rau practices Internal Medicine Physician in Gonzales, LA.
Where does Dr. Mason Rau practice?
Dr. Mason Rau practices at 2647 S Saint Elizabeth Blvd Ste 219, Gonzales, LA 707375020. Office phone: 2256478511.
What is Dr. Mason Rau's NPI?
Dr. Mason Rau's National Provider Identifier (NPI) is 1093274243, issued by NPPES.
Does Dr. Mason Rau accept Medicare assignment?
Yes. Dr. Mason Rau accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mason Rau commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.