Physician
Gregorio J. Guillen MD, PC
Gregorio J. Guillen MD, PC was paid $1.16M by Medicaid between Jan 2018 and Oct 2024, across 53 billing codes. Its largest line is 99214, doctor's office visit, returning patient (more involved) — 45% of everything it billed.
33Billing provider infoGREGORIO J. GUILLEN MD, PC
PERTH AMBOY, NJ 08861
PERTH AMBOY, NJ 08861
33aNPI1518052950assigned 10/03/2006
33bProvider typeInternal Medicine Physician
28Total paid$1.16M
24GClaims56,710
24DCodes billed53
24AFirst – last monthJan 2018 – Oct 2024
Compared with peers
Next to other Internal Medicine Physician providers in New Jersey
Rank by total paid#59 of 1,027
Median peer was paid$30K
This provider vs. median39×
Peers share this provider's primary NPPES type and state. Size alone says nothing about billing quality: a big agency or a hospital system is expected to sit far above the median.
Box 24A · Dates of service
Paid by month
Paid that monthNov–Dec 2024: claims still arriving when the file was cut, so these months run low for every provider
By year, as a table
| Year | Claims | Paid | |
|---|---|---|---|
| 2018 | 4,323 | $106K | |
| 2019 | 6,389 | $134K | |
| 2020 | 6,936 | $161K | |
| 2021 | 6,766 | $222K | |
| 2022 | 12,453 | $255K | |
| 2023 | 10,705 | $167K | |
| 2024incomplete | 9,138 | $113K |
Box 24 · Service lines
What it billed for
| Code | Service | Share | Claims | Bene. records | Paid |
|---|---|---|---|---|---|
| 99214 | Doctor's office visit, returning patient (more involved)Office or other outpatient visit for the evaluation and management of an established patient, moderate complexity | 45% | 15,432 | 14,783 | $518K |
| 99213 | Doctor's office visit, returning patient (routine)Office or other outpatient visit for the evaluation and management of an established patient, low complexity | 42% | 15,540 | 14,484 | $481K |
| 99396 | Periodic comprehensive preventive medicine reevaluation, established patient, 40-64 years | 4.6% | 1,015 | 1,002 | $54K |
| 90674 | 1.5% | 1,086 | 1,085 | $17K | |
| 99397 | 1.5% | 781 | 754 | $17K | |
| 99497 | 1.2% | 1,400 | 1,365 | $13K | |
| 90471 | Immunization administration (includes percutaneous, intradermal, subcutaneous, or intramuscular injections), 1 vaccine | 1.1% | 1,038 | 1,019 | $13K |
| 93000 | <1% | 1,383 | 1,365 | $10K | |
| 99212 | Office or other outpatient visit for the evaluation and management of an established patient, straightforward | <1% | 637 | 609 | $8K |
| 90756 | <1% | 227 | 220 | $4K | |
| 77080 | <1% | 315 | 309 | $3K | |
| 90686 | <1% | 326 | 326 | $3K |
41 more codes
| 77066 | Tomosynthesis, mammo | <1% | 207 | $3K |
| 90694 | <1% | 439 | $2K | |
| 99203 | Doctor's office visit, new patient (routine) | <1% | 40 | $2K |
| 96372 | Therapeutic, prophylactic, or diagnostic injection; subcutaneous or intramuscular | <1% | 470 | $1K |
| 96127 | <1% | 909 | $1K | |
| 99204 | Doctor's office visit, new patient (more involved) | <1% | 15 | $1K |
| 90653 | <1% | 157 | $1K | |
| 45380 | Colonoscopy, flexible; with biopsy, single or multiple | <1% | 51 | $857.75 |
| 99395 | Periodic comprehensive preventive medicine reevaluation, established patient, 18-39 years | <1% | 12 | $561.54 |
| 99308 | Subsequent nursing facility care, per day, straightforward | <1% | 35 | $442.30 |
| 99211 | Office or other outpatient visit for the evaluation and management of an established patient, minimal severity | <1% | 39 | $205.60 |
| G0008 | Administration of influenza virus vaccine | <1% | 1,266 | $185.75 |
| 3078F | <1% | 1,701 | $182.07 | |
| 3074F | <1% | 1,054 | $105.03 | |
| 99318 | <1% | 16 | $103.97 | |
| 3075F | <1% | 787 | $99.00 | |
| 3077F | <1% | 814 | $93.00 | |
| 3079F | <1% | 762 | $92.00 | |
| G0444 | Annual depression screening, 5 to 15 minutes | <1% | 538 | $78.62 |
| 1170F | <1% | 1,343 | $64.09 | |
| 1125F | <1% | 824 | $41.07 | |
| 3044F | <1% | 403 | $34.00 | |
| 1160F | <1% | 1,649 | $33.04 | |
| 3080F | <1% | 201 | $26.00 | |
| 1126F | <1% | 366 | $25.00 | |
| 90661 | <1% | 13 | $20.70 | |
| 1159F | <1% | 1,409 | $20.04 | |
| 3051F | <1% | 173 | $13.00 | |
| 1158F | <1% | 691 | $11.13 | |
| 3046F | <1% | 17 | $3.00 | |
| 3072F | <1% | 12 | $3.00 | |
| 3061F | <1% | 98 | $3.00 | |
| 4010F | <1% | 186 | $3.00 | |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | <1% | 178 | $2.90 |
| 3045F | <1% | 29 | $2.00 | |
| 1111F | <1% | 62 | $1.00 | |
| 0509F | 0% | 181 | $0.00 | |
| 1101F | 0% | 206 | $0.00 | |
| 1123F | 0% | 46 | $0.00 | |
| 1030F | 0% | 83 | $0.00 | |
| 99457 | 0% | 48 | $0.00 |
Claims and beneficiary counts add up across code × month rows, so one patient seen every month counts many times. Rows with fewer than 12 claims are suppressed by HHS, so small lines can be missing.
From NPPES
Who's on the registration
Authorized officialGUILLEN, GREGORIO (PRESIDENT)