Internal Medicine, Gastroenterology · Harlingen, TX
NPI
1184726986
Since 2006
Specialty
Internal Medicine, Gastroenterology
Code 207RG0100X
Group practices
1
Medicare group memberships
Hospitals
5
Hospital affiliations
512 Victoria Ln Ste 2
Harlingen, TX, 78550
Phone (956) 365-4000
Groups this clinician bills Medicare through
Medicare paid, 2024
$93K
1,137 services
Medicare patients, 2024
736
Average age 72
Drug cost, 2024
$845K
4,796 prescriptions
Company payments, 2025
$41K
From 14 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Nolan E Perez was code 99213 (office e&m - established), 212 times for 192 patients. In total Nolan E Perez billed 1,137 services in 44 codes, and Medicare paid $93K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2021-04-22.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99213 Office E&M - Established | Office | 212 | 192 | $53.56 | $11K |
| 99214 Office E&M - Established | Office | 201 | 174 | $76.49 | $15K |
| 99204 Office E&M - New | Office | 114 | 114 | $91.78 | $10K |
| 43239 Upper GI Endoscopy | Facility | 109 | 108 | $59.13 | $6,445 |
| 76700 Ultrasound - Abdomen and Pelvis | Office | 88 | 85 | $71.02 | $6,250 |
| 45380 Lower GI Endoscopy - Other | Facility | 81 | 81 | $81.70 | $6,617 |
| 76981 Ultrasound - Nonspecific | Office | 55 | 55 | $63.78 | $3,508 |
| 45385 Colonoscopy - Lesion Removal | Facility | 55 | 55 | $175.44 | $9,649 |
| 99203 Office E&M - New | Office | 46 | 46 | $59.44 | $2,734 |
| 43235 Upper GI Endoscopy | Facility | 21 | 21 | $87.42 | $1,836 |
| 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 | $12.24 | $233 |
| 43251 Upper GI Endoscopy | Facility | 17 | 17 | $121.22 | $2,061 |
| 45378 Lower GI Endoscopy - Other | Facility | 15 | 14 | $125.12 | $1,877 |
| 43246 Upper GI Endoscopy | Facility | 14 | 14 | $146.31 | $2,048 |
| G0105 Colorectal cancer screening; colonoscopy on individual at high risk | Facility | 11 | 11 | $133.71 | $1,471 |
By year: 2022 $217K for 2,380 services; 2023 $151K for 1,868 services; 2024 $93K for 1,137 services.
Medicare prescription drug claims, 2024
In 2024, the drug Nolan E Perez prescribed most often to Medicare patients was Peg-3350 And Electrolytes (Peg3350/Sod Sulf,bicarb,cl/Kcl), with 727 prescriptions and refills. In total Nolan E Perez wrote 4,796 Medicare prescriptions that cost $845K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Peg-3350 And Electrolytes Peg3350/Sod Sulf,bicarb,cl/Kcl | 727 | 727 | 706 | $11K |
| Omeprazole Generic | 718 | 1,252 | 428 | $8,649 |
| Famotidine Generic | 385 | 679 | 215 | $4,918 |
| Pantoprazole Sodium Generic | 371 | 662 | 218 | $2,762 |
| Gavilyte-G Peg3350/Sod Sulf,bicarb,cl/Kcl | 366 | 368 | 354 | $5,609 |
| Linzess Linaclotide | 246 | 354 | 116 | $186K |
| Esomeprazole Magnesium Generic | 234 | 447 | 128 | $12K |
| Sucralfate Generic | 188 | 202 | 127 | $12K |
| Metoclopramide Hcl Generic | 125 | 195 | 50 | $1,558 |
| Lactulose Generic | 83 | 113 | 30 | $2,387 |
| Ondansetron Hcl Generic | 78 | 81 | 56 | $1,293 |
| Constulose Lactulose | 61 | 71 | 41 | $2,436 |
| Gavilyte-C Peg3350/Sod Sulf,bicarb,cl/Kcl | 61 | 61 | 61 | $873 |
| Ursodiol Generic | 54 | 105 | 26 | $9,250 |
| Hydrocortisone Generic | 53 | 53 | 41 | $720 |
Brand drugs: 1,281 claims; generic drugs: 3,515 claims; opioid claims: 14.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Nolan E Perez $41K ($41K in general payments such as food, travel and fees) from 14 companies. The largest payer was Madrigal Pharmaceuticals with $23K.
| Company | Payments | Amount |
|---|---|---|
| Madrigal Pharmaceuticals MDGL | 22 | $23K |
| Phathom Pharmaceuticals, Inc. PHAT | 7 | $11K |
| Abbvie Inc. ABBV | 14 | $6,174 |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC BHC | 2 | $561 |
| Boston Scientific Corporation BSX | 2 | $247 |
| Intuitive Surgical, Inc. ISRG | 1 | $128 |
| Genzyme Corporation SNY | 1 | $48.52 |
| Ipsen Biopharmaceuticals, Inc IPN.PA | 2 | $30.66 |
| Janssen Biotech, Inc. JNJ | 1 | $20.36 |
| Pfizer Inc. PFE | 1 | $16.7 |
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.