Physician
De Guzman, Rosalie
De Guzman, Rosalie was paid $370K by Medicaid between Jan 2018 and Nov 2024, across 69 billing codes. Its largest line is 99213, doctor's office visit, returning patient (routine) — 25% of everything it billed.
33Billing provider infoDE GUZMAN, ROSALIE
CORONA, CA 92882
CORONA, CA 92882
33aNPI1386675452assigned 07/06/2006
33bProvider typePediatrics Physician
28Total paid$370K
24GClaims66,759
24DCodes billed69
24AFirst – last monthJan 2018 – Nov 2024
Compared with peers
Next to other Pediatrics Physician providers in California
Rank by total paid#271 of 1,490
Median peer was paid$15K
This provider vs. median25×
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 | 16,096 | $58K | |
| 2019 | 5,357 | $65K | |
| 2020 | 4,379 | $32K | |
| 2021 | 5,937 | $31K | |
| 2022 | 7,393 | $46K | |
| 2023 | 13,528 | $72K | |
| 2024incomplete | 14,069 | $64K |
Box 24 · Service lines
What it billed for
| Code | Service | Share | Claims | Bene. records | Paid |
|---|---|---|---|---|---|
| 99213 | Doctor's office visit, returning patient (routine)Office or other outpatient visit for the evaluation and management of an established patient, low complexity | 25% | 14,977 | 13,838 | $94K |
| 99391 | Periodic comprehensive preventive medicine reevaluation, established patient, infant (under 1 year) | 19% | 1,673 | 1,638 | $69K |
| 99381 | 16% | 607 | 581 | $59K | |
| 92551 | 14% | 5,761 | 5,724 | $52K | |
| 99392 | Periodic comprehensive preventive medicine reevaluation, established patient, early childhood (1-4 years) | 3.9% | 2,549 | 2,524 | $14K |
| G9920 | Screening performed and negative | 3.9% | 5,471 | 5,458 | $14K |
| 90670 | 3.0% | 1,680 | 1,667 | $11K | |
| 90700 | 2.1% | 1,829 | 1,815 | $8K | |
| 90648 | 2.1% | 1,747 | 1,729 | $8K | |
| 99393 | Periodic comprehensive preventive medicine reevaluation, established patient, late childhood (5-11 years) | 1.7% | 2,077 | 2,063 | $6K |
| 90713 | 1.3% | 1,205 | 1,195 | $5K | |
| 90686 | 1.1% | 2,510 | 2,493 | $4K |
57 more codes
| 90681 | <1% | 496 | $3K | |
| 99394 | Periodic comprehensive preventive medicine reevaluation, established patient, adolescent (12-17 years) | <1% | 1,629 | $3K |
| 90677 | <1% | 335 | $3K | |
| 90651 | <1% | 624 | $3K | |
| 90744 | <1% | 909 | $3K | |
| 99203 | Doctor's office visit, new patient (routine) | <1% | 18 | $2K |
| 90633 | <1% | 1,022 | $2K | |
| 99214 | Doctor's office visit, returning patient (more involved) | <1% | 92 | $1K |
| 90716 | <1% | 808 | $872.37 | |
| 99211 | Office or other outpatient visit for the evaluation and management of an established patient, minimal severity | <1% | 591 | $784.65 |
| 87430 | <1% | 92 | $745.20 | |
| 90707 | <1% | 811 | $647.37 | |
| 90680 | <1% | 73 | $630.00 | |
| 90685 | <1% | 44 | $394.73 | |
| 99395 | Periodic comprehensive preventive medicine reevaluation, established patient, 18-39 years | <1% | 185 | $259.80 |
| 90698 | <1% | 26 | $234.00 | |
| 94640 | Pressurized or nonpressurized inhalation treatment for acute airway obstruction | <1% | 80 | $202.08 |
| G2012 | Brief communication technology-based service, e.g. virtual check-in, by a physician or other qualified health care professional who can report evaluation and management services, provided to an established patient, not originating from a related e/m service provided within the previous 7 days nor leading to an e/m service or procedure within the next 24 hours or soonest available appointment; 5-10 minutes of medical discussion | <1% | 682 | $169.29 |
| 90688 | <1% | 15 | $135.00 | |
| 90619 | <1% | 446 | $80.64 | |
| 96110 | Developmental screening, with scoring and documentation, per standardized instrument | <1% | 1,115 | $72.57 |
| 90620 | <1% | 368 | $62.91 | |
| 90715 | <1% | 59 | $62.82 | |
| 96156 | <1% | 2,430 | $39.90 | |
| 90696 | <1% | 130 | $35.91 | |
| 85018 | <1% | 972 | $28.78 | |
| 81000 | <1% | 845 | $27.84 | |
| 90734 | <1% | 33 | $27.00 | |
| G0442 | Annual alcohol misuse screening, 5 to 15 minutes | <1% | 140 | $24.75 |
| 99173 | <1% | 1,294 | $8.66 | |
| 86580 | <1% | 63 | $7.32 | |
| G8510 | Screening for depression is documented as negative, a follow-up plan is not required | <1% | 1,284 | $3.98 |
| J7613 | Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg | <1% | 39 | $1.56 |
| 84443 | Thyroid stimulating hormone (TSH) | 0% | 697 | $0.00 |
| 85025 | Blood count; complete (CBC), automated, and automated differential WBC count | 0% | 797 | $0.00 |
| 83036 | Hemoglobin; glycosylated (A1C) | 0% | 53 | $0.00 |
| 36415 | Collection of venous blood by venipuncture | 0% | 923 | $0.00 |
| 80053 | Comprehensive metabolic panel | 0% | 688 | $0.00 |
| 3351F | 0% | 79 | $0.00 | |
| 82306 | Vitamin D; 25 hydroxy, includes fraction(s), if performed | 0% | 91 | $0.00 |
| 3352F | 0% | 59 | $0.00 | |
| 90471 | Immunization administration (includes percutaneous, intradermal, subcutaneous, or intramuscular injections), 1 vaccine | 0% | 37 | $0.00 |
| 87086 | Culture, bacterial; quantitative colony count, urine | 0% | 112 | $0.00 |
| 1220F | 0% | 150 | $0.00 | |
| 87591 | Infectious agent detection by nucleic acid; Neisseria gonorrhoeae, amplified probe | 0% | 28 | $0.00 |
| 90460 | Immunization administration through 18 years of age via any route, first or only component | 0% | 515 | $0.00 |
| 90672 | 0% | 170 | $0.00 | |
| 83655 | 0% | 68 | $0.00 | |
| 87880 | Infectious agent antigen detection by immunoassay; Streptococcus, group A | 0% | 29 | $0.00 |
| 81003 | 0% | 619 | $0.00 | |
| 87491 | Infectious agent detection by nucleic acid; Chlamydia trachomatis, amplified probe | 0% | 225 | $0.00 |
| G8431 | Screening for depression is documented as being positive and a follow-up plan is documented | 0% | 141 | $0.00 |
| 84439 | 0% | 683 | $0.00 | |
| 90621 | 0% | 35 | $0.00 | |
| 80061 | Lipid panel | 0% | 694 | $0.00 |
| 96160 | 0% | 17 | $0.00 | |
| 83525 | 0% | 13 | $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.