Internal Medicine, Hepatology · Dallas, TX
NPI
1003872292
Since 2006
Specialty
Internal Medicine, Hepatology
Code 207RI0008X
Group practices
1
Medicare group memberships
Hospitals
2
Hospital affiliations
5323 Harry Hines Blvd
Dallas, TX, 75390
Phone (214) 645-8600
Groups this clinician bills Medicare through
Medicare paid, 2024
$16K
200 services
Medicare patients, 2024
116
Average age 70
Drug cost, 2024
$847K
580 prescriptions
Company payments, 2025
$12K
From 8 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Marlyn J Mayo was code 99214 (office e&m - established), 50 times for 39 patients. In total Marlyn J Mayo billed 200 services in 24 codes, and Medicare paid $16K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2008-04-03.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Office | 50 | 39 | $79.12 | $3,956 |
| G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's | Office | 19 | 18 | $12.84 | $244 |
| 45380 Lower GI Endoscopy - Other | Office | 11 | 11 | $93.10 | $1,024 |
By year: 2022 $19K for 192 services; 2023 $16K for 176 services; 2024 $16K for 200 services.
Medicare prescription drug claims, 2024
In 2024, the drug Marlyn J Mayo prescribed most often to Medicare patients was Ursodiol, with 221 prescriptions and refills. In total Marlyn J Mayo wrote 580 Medicare prescriptions that cost $847K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Ursodiol Generic | 221 | 436 | 48 | $38K |
| Ocaliva Obeticholic Acid | 54 | 58 | Under 11 | $523K |
| Carvedilol Generic | 25 | 66 | Under 11 | $249 |
| Azathioprine Generic | 24 | 63 | Under 11 | $1,570 |
| Sod Sulf-Potass Sulf-Mag Sulf Sodium, Potassium,mag Sulfates | 22 | 22 | 22 | $1,544 |
| Ondansetron Hcl Generic | 21 | 21 | 20 | $20.95 |
| Gavilyte-G Peg3350/Sod Sulf,bicarb,cl/Kcl | 21 | 21 | 21 | $402 |
| Pantoprazole Sodium Generic | 20 | 54 | Under 11 | $131 |
| Vitamin D2 Ergocalciferol (Vitamin D2) | 14 | 14 | Under 11 | $219 |
| Hydroxyzine Hcl Generic | 14 | 22 | Under 11 | $108 |
| Prednisone Generic | 12 | 24 | Under 11 | $49.13 |
| Peg-3350 And Electrolytes Peg3350/Sod Sulf,bicarb,cl/Kcl | 11 | 11 | 11 | $189 |
| Creon Lipase/Protease/Amylase | 11 | 12 | Under 11 | $8,421 |
Brand drugs: 123 claims; generic drugs: 457 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Marlyn J Mayo $12K ($8,829 in general payments such as food, travel and fees and $3,129 for research) from 8 companies. The largest payer was Mirum Pharmaceuticals, Inc. with $6,398.
Official US government data on Original Medicare services, Medicare prescription drug plans and the payments drug and device companies must report. Services with fewer than 11 patients and drugs with fewer than 11 claims are not published. Procedure codes are shown by number with their public category.