Internal Medicine · Guaynabo, PR
NPI
1376675843
Since 2007
Specialty
Internal Medicine
Code 207R00000X
Group practices
2
Medicare group memberships
Hospitals
1
Hospital affiliations
Cond Madreselva, I7 Calle Ebano Apt. 602
Guaynabo, PR, 00968
Phone (787) 671-6376
Groups this clinician bills Medicare through
Medicare paid, 2024
$23K
204 services
Medicare patients, 2024
79
Average age 73
Drug cost, 2024
$776K
6,865 prescriptions
Company payments, 2025
$708
From 4 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Federico J Gregory-Gonzalez was code 99214 (office e&m - established), 58 times for 41 patients. In total Federico J Gregory-Gonzalez billed 204 services in 14 codes, and Medicare paid $23K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2023-03-07.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Office | 58 | 41 | $87.10 | $5,052 |
| G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito | Office | 36 | 32 | $44.43 | $1,599 |
| 99213 Office E&M - Established | Office | 30 | 28 | $65.75 | $1,973 |
| 99204 Office E&M - New | Office | 17 | 17 | $97.25 | $1,653 |
| 45385 Colonoscopy - Lesion Removal | Office | 13 | 13 | $319.30 | $4,151 |
| 43239 Upper GI Endoscopy | Office | 12 | 12 | $256.85 | $3,082 |
| 45380 Lower GI Endoscopy - Other | Office | 12 | 12 | $221.88 | $2,663 |
By year: 2022 $19K for 163 services; 2023 $19K for 155 services; 2024 $23K for 204 services.
Medicare prescription drug claims, 2024
In 2024, the drug Federico J Gregory-Gonzalez prescribed most often to Medicare patients was Famotidine, with 1,373 prescriptions and refills. In total Federico J Gregory-Gonzalez wrote 6,865 Medicare prescriptions that cost $776K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Famotidine Generic | 1,373 | 1,665 | 369 | $12K |
| Esomeprazole Magnesium Generic | 828 | 936 | 217 | $17K |
| Dexlansoprazole Dr Dexlansoprazole | 700 | 818 | 154 | $155K |
| Sucralfate Generic | 684 | 797 | 208 | $95K |
| Pantoprazole Sodium Generic | 521 | 640 | 180 | $4,619 |
| Glycopyrrolate Generic | 486 | 516 | 194 | $17K |
| Linzess Linaclotide | 335 | 389 | 98 | $212K |
| Sod Sulf-Potass Sulf-Mag Sulf Sodium, Potassium,mag Sulfates | 178 | 189 | 176 | $14K |
| Suprep Sodium, Potassium,mag Sulfates | 175 | 175 | 172 | $21K |
| Midazolam Hcl Generic | 173 | 173 | 164 | $447 |
| Midazolam Hcl Midazolam Hcl/Pf | 124 | 124 | 122 | $341 |
| Fentanyl Citrate Fentanyl Citrate/Pf | 110 | 110 | 109 | $378 |
| Rabeprazole Sodium Generic | 80 | 84 | 25 | $2,102 |
| Ozempic Semaglutide | 73 | 77 | Under 11 | $75K |
| Cholestyramine Light Cholestyramine | 53 | 55 | 20 | $5,881 |
Brand drugs: - claims; generic drugs: 5,527 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Federico J Gregory-Gonzalez $708 ($708 in general payments such as food, travel and fees) from 4 companies. The largest payer was Boston Scientific Corporation with $231.
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.