Monica Lynette Guzman-Limon, MD
NPI 1659691368ActiveIndividual· Internal Medicine, Nephrology· Austin, TX
Internal Medicine, Nephrology (MD) in Austin, Texas, trained at University of Texas Medical Branch at Galveston (class of 2010). Their prescriptions cost Medicare Part D more than their services did: $239,605 for 1,194 claims, against $93,380 paid for services in 2024. Lilly USA, LLC was the largest of 12 companies reporting payments in 2025, $393.53 in all, mostly food and beverage.
Overview
| NPI | 1659691368 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jun 3, 2010 |
| Last updated in NPPES | Jun 5, 2024 |
| Certified by provider | Jun 5, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | R4973 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nephrology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 333 |
|---|---|
| Services billed | 1,424 across 19 procedure codes |
| Paid by Medicare | $93,380 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,194 · 2,328 30-day fills |
|---|---|
| Patients | 169 |
| Total drug cost | $239,605 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | University of Texas Medical Branch at Galveston |
|---|---|
| Graduation year | 2010 |
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- Austin Kidney Associates PARound Rock, TX · 33 clinicians
Hospital affiliations
- Ascension Seton Cedar ParkCedar Park, TX
- Dell Seton Med Center at the University of TxAustin, TX
- North Austin Medical CenterAustin, TX
- Round Rock Medical CenterRound Rock, TX
- St David's Medical CenterAustin, TX
Other facilities
- Davita Cedar Park Dialysis CenterDialysis facility · Cedar Park, TX
- Shc Wb AustinDialysis facility · Austin, TX
- Shc Wb Cedar ParkDialysis facility · Cedar Park, TX
Industry payments (Open Payments)
- 2025$393.53 · 18 payments from 12 companies
- 2024$294.98 · 14 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $95.82 | 4 |
| Calliditas Therapeutics US Inc. | $49.64 | 2 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $40.53 | 2 |
| Bayer Healthcare Pharmaceuticals Inc. | $37.84 | 2 |
| Travere Therapeutics, Inc. | $32.76 | 1 |
What the 2025 payments were for
- Food and Beverage$393.53 · 18 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other nephrologists in Austin
- 1033266911
- 1043310352
- 1063446359
- 1114216009
- 1164407102
- 1174873988
- 1306803937
- 1326255308
- 1356539910
- 1386703064
- 1457301764
- 1467488783