Contra Costa County
Contra Costa County was paid $15.98M by Medicaid between Jan 2018 and Dec 2024, across 132 billing codes. Its largest line is 0450, Emergency room services — 49% of everything it billed.
MARTINEZ, CA 94553
Next to other General Acute Care Hospital providers in California
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.
Auditor's notes
Automated statistical signals. Not evidence of fraud — how these are computed.
Paid by month
By year, as a table
| Year | Claims | Paid | |
|---|---|---|---|
| 2018 | 87,111 | $3.24M | |
| 2019 | 77,527 | $2.42M | |
| 2020 | 55,247 | $1.54M | |
| 2021 | 85,729 | $1.94M | |
| 2022 | 104,901 | $2.03M | |
| 2023 | 96,409 | $2.24M | |
| 2024incomplete | 101,415 | $2.57M |
What it billed for
| Code | Service | Share | Claims | Bene. records | Paid |
|---|---|---|---|---|---|
| 0450 | Emergency room services | 49% | 95,496 | 94,543 | $7.90M |
| 0750 | 26% | 6,290 | 6,237 | $4.23M | |
| 0360 | 6.9% | 2,519 | 1,310 | $1.10M | |
| 99283 | Emergency room visit (moderate)Emergency department visit for the evaluation and management, moderate severity | 5.6% | 63,793 | 62,708 | $900K |
| Z7502 | 3.4% | 14,706 | 14,548 | $547K | |
| 99285 | Emergency room visit (most serious)Emergency department visit for the evaluation and management, high severity with immediate threat to life | 1.3% | 4,900 | 4,847 | $215K |
| 99284 | Emergency room visit (serious)Emergency department visit for the evaluation and management, high severity | 1.2% | 8,319 | 8,125 | $194K |
| 99282 | Emergency department visit for the evaluation and management, low to moderate severity | 1.0% | 22,710 | 22,530 | $165K |
| 80053 | Comprehensive metabolic panel | <1% | 43,872 | 43,387 | $137K |
| 85025 | Blood count; complete (CBC), automated, and automated differential WBC count | <1% | 48,969 | 48,434 | $116K |
| 99281 | Emergency department visit for the evaluation and management, self-limited or minor | <1% | 11,192 | 10,772 | $107K |
| 93005 | Electrocardiogram, routine ECG with at least 12 leads; tracing only, without interpretation and report | <1% | 16,720 | 16,460 | $71K |
120 more codes
| 87637 | Infectious agent detection by nucleic acid; SARS-CoV-2, influenza, and RSV | <1% | 2,458 | $60K |
| 93010 | Electrocardiogram, routine ECG with at least 12 leads; interpretation and report only | <1% | 14,916 | $58K |
| 87635 | Infectious agent detection by nucleic acid; SARS-CoV-2 (COVID-19), amplified probe | <1% | 2,530 | $30K |
| 83690 | <1% | 13,249 | $26K | |
| 86141 | <1% | 7,842 | $18K | |
| Z7610 | <1% | 2,558 | $14K | |
| 87426 | Infectious agent antigen detection, SARS-CoV-2 (COVID-19) | <1% | 2,283 | $13K |
| 80307 | Drug test(s), presumptive, any number of drug classes; immunoassay | <1% | 922 | $12K |
| 81001 | <1% | 12,516 | $10K | |
| 71046 | Radiologic examination, chest; 2 views | <1% | 3,461 | $9K |
| J7120 | Ringers lactate infusion, up to 1000 cc | <1% | 3,111 | $5K |
| 81003 | <1% | 7,201 | $5K | |
| J3490 | Unclassified drugs | <1% | 78,098 | $5K |
| J1885 | Injection, ketorolac tromethamine, per 15 mg | <1% | 6,031 | $4K |
| 84484 | <1% | 1,835 | $4K | |
| 99199 | Unlisted special service, procedure or report | <1% | 72 | $4K |
| 74177 | Computed tomography, abdomen and pelvis; with contrast material | <1% | 99 | $3K |
| 87086 | Culture, bacterial; quantitative colony count, urine | <1% | 1,214 | $3K |
| 45385 | Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) | <1% | 1,058 | $2K |
| 88305 | Level IV - Surgical pathology, gross and microscopic examination | <1% | 2,299 | $2K |
| 43235 | <1% | 567 | $2K | |
| G0480 | Drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/ms (any type, single or tandem and excluding immunoassays (e.g., ia, eia, elisa, emit, fpia) and enzymatic methods (e.g., alcohol dehydrogenase)), (2) stable isotope or other universally recognized internal standards in all samples (e.g., to control for matrix effects, interferences and variations in signal strength), and (3) method or drug-specific calibration and matrix-matched quality control material (e.g., to control for instrument variations and mass spectral drift); qualitative or quantitative, all sources, includes specimen validity testing, per day; 1-7 drug class(es), including metabolite(s) if performed | <1% | 78 | $2K |
| 45378 | Colonoscopy, flexible; diagnostic, including collection of specimen(s) | <1% | 421 | $1K |
| J7030 | Infusion, normal saline solution , 1000 cc | <1% | 1,400 | $850.59 |
| 90715 | <1% | 83 | $798.54 | |
| 76000 | <1% | 105 | $793.30 | |
| 96374 | Therapeutic, prophylactic, or diagnostic injection; intravenous push, single or initial substance | <1% | 312 | $747.30 |
| J2250 | Injection, midazolam hydrochloride, per 1 mg | <1% | 7,670 | $723.47 |
| 96372 | Therapeutic, prophylactic, or diagnostic injection; subcutaneous or intramuscular | <1% | 294 | $711.47 |
| J3010 | Injection, fentanyl citrate, 0.1 mg | <1% | 7,836 | $608.45 |
| 74176 | Computed tomography, abdomen and pelvis; without contrast material | <1% | 54 | $596.14 |
| 71045 | Radiologic examination, chest; single view | <1% | 254 | $553.56 |
| 99070 | <1% | 137 | $533.66 | |
| J2704 | Injection, propofol, 10 mg | <1% | 1,463 | $525.78 |
| J2405 | Injection, ondansetron hydrochloride, per 1 mg | <1% | 1,325 | $512.17 |
| 36415 | Collection of venous blood by venipuncture | <1% | 22,516 | $511.85 |
| J0690 | Injection, cefazolin sodium, 500 mg | <1% | 713 | $410.31 |
| 84702 | <1% | 188 | $377.24 | |
| 72100 | <1% | 51 | $347.60 | |
| 82962 | <1% | 752 | $339.73 | |
| 80048 | Basic metabolic panel (calcium, ionized) | <1% | 128 | $272.81 |
| 85610 | <1% | 232 | $256.94 | |
| 0510 | <1% | 823 | $246.12 | |
| J1200 | Injection, diphenhydramine hcl, up to 50 mg | <1% | 1,805 | $245.25 |
| 73630 | <1% | 24 | $198.77 | |
| E0114 | Crutches underarm, other than wood, adjustable or fixed, pair, with pads, tips and handgrips | <1% | 12 | $188.75 |
| 83880 | <1% | 26 | $180.90 | |
| J0131 | Injection, acetaminophen, not otherwise specified,10 mg | <1% | 565 | $163.65 |
| 0272 | <1% | 993 | $145.20 | |
| 85027 | <1% | 70 | $122.47 | |
| 87880 | Infectious agent antigen detection by immunoassay; Streptococcus, group A | <1% | 37 | $118.35 |
| 96375 | Therapeutic injection; each additional sequential IV push | <1% | 98 | $112.16 |
| 96361 | Intravenous infusion, hydration; each additional hour | <1% | 56 | $87.60 |
| S0020 | Injection, bupivicaine hydrochloride, 30 ml | <1% | 145 | $79.48 |
| 84443 | Thyroid stimulating hormone (TSH) | <1% | 12 | $71.40 |
| 83605 | <1% | 52 | $59.52 | |
| 87210 | <1% | 27 | $58.51 | |
| J7040 | Infusion, normal saline solution, sterile (500 ml = 1 unit) | <1% | 2,391 | $52.07 |
| 43239 | Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple | <1% | 67 | $50.20 |
| 87491 | Infectious agent detection by nucleic acid; Chlamydia trachomatis, amplified probe | <1% | 13 | $31.17 |
| 87591 | Infectious agent detection by nucleic acid; Neisseria gonorrhoeae, amplified probe | <1% | 13 | $31.07 |
| 81025 | <1% | 18 | $23.14 | |
| J1100 | Injection, dexamethasone sodium phosphate, 1 mg | <1% | 304 | $22.83 |
| J0696 | Injection, ceftriaxone sodium, per 250 mg | <1% | 24 | $14.82 |
| 85730 | <1% | 13 | $8.50 | |
| J1644 | Injection, heparin sodium, per 1000 units | <1% | 177 | $4.73 |
| Q9967 | Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | <1% | 127 | $3.25 |
| 0072A | 0% | 1,758 | $0.00 | |
| 0710 | 0% | 1,329 | $0.00 | |
| 0370 | 0% | 7,527 | $0.00 | |
| 0081A | 0% | 400 | $0.00 | |
| J7050 | Infusion, normal saline solution, 250 cc | 0% | 1,755 | $0.00 |
| 0052A | 0% | 1,159 | $0.00 | |
| 0051A | 0% | 797 | $0.00 | |
| 0636 | 0% | 496 | $0.00 | |
| 90686 | 0% | 4,124 | $0.00 | |
| 0082A | 0% | 427 | $0.00 | |
| 0154A | 0% | 309 | $0.00 | |
| 0111A | 0% | 90 | $0.00 | |
| 0771 | 0% | 80 | $0.00 | |
| 90716 | 0% | 252 | $0.00 | |
| J1170 | Injection, hydromorphone, up to 4 mg | 0% | 66 | $0.00 |
| J2001 | Injection, lidocaine hcl for intravenous infusion, 10 mg | 0% | 300 | $0.00 |
| 0074A | 0% | 311 | $0.00 | |
| 0064A | 0% | 3,791 | $0.00 | |
| 90647 | 0% | 226 | $0.00 | |
| 90480 | 0% | 417 | $0.00 | |
| 90723 | 0% | 52 | $0.00 | |
| 99213 | Doctor's office visit, returning patient (routine) | 0% | 92 | $0.00 |
| Q0162 | Ondansetron 1 mg, oral, fda approved prescription anti-emetic, for use as a complete therapeutic substitute for an iv anti-emetic at the time of chemotherapy treatment, not to exceed a 48 hour dosage regimen | 0% | 12 | $0.00 |
| 0271 | 0% | 50 | $0.00 | |
| 0112A | 0% | 80 | $0.00 | |
| 90680 | 0% | 53 | $0.00 | |
| J2795 | Injection, ropivacaine hydrochloride, 1 mg | 0% | 15 | $0.00 |
| 80320 | 0% | 24 | $0.00 | |
| 90471 | Immunization administration (includes percutaneous, intradermal, subcutaneous, or intramuscular injections), 1 vaccine | 0% | 15 | $0.00 |
| 99392 | Periodic comprehensive preventive medicine reevaluation, established patient, early childhood (1-4 years) | 0% | 76 | $0.00 |
| 90649 | 0% | 50 | $0.00 | |
| 0071A | 0% | 7,729 | $0.00 | |
| 0054A | 0% | 6,373 | $0.00 | |
| 91320 | 0% | 29 | $0.00 | |
| 90633 | 0% | 324 | $0.00 | |
| 0003A | 0% | 444 | $0.00 | |
| 91322 | 0% | 375 | $0.00 | |
| 0004A | 0% | 6,215 | $0.00 | |
| 0124A | 0% | 2,078 | $0.00 | |
| 0083A | 0% | 48 | $0.00 | |
| 0013A | 0% | 239 | $0.00 | |
| 90707 | 0% | 144 | $0.00 | |
| 90700 | 0% | 68 | $0.00 | |
| 99391 | Periodic comprehensive preventive medicine reevaluation, established patient, infant (under 1 year) | 0% | 31 | $0.00 |
| 90670 | 0% | 220 | $0.00 | |
| 99394 | Periodic comprehensive preventive medicine reevaluation, established patient, adolescent (12-17 years) | 0% | 12 | $0.00 |
| 0073A | 0% | 35 | $0.00 | |
| 99152 | 0% | 13 | $0.00 | |
| J0665 | Injection, bupivicaine, not otherwise specified, 0.5 mg | 0% | 30 | $0.00 |
| 90713 | 0% | 24 | $0.00 | |
| 99393 | Periodic comprehensive preventive medicine reevaluation, established patient, late childhood (5-11 years) | 0% | 38 | $0.00 |
| 0034A | 0% | 13 | $0.00 | |
| 99188 | 0% | 14 | $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.
Who's on the registration
| Provider | Location | Paid |
|---|---|---|
| Contra Costa County | Martinez, CA | $536.98M |
| Contra Costa County | Pittsburg, CA | $202.20M |
| Contra Costa County | San Pablo, CA | $170.81M |
| Contra Costa County | Martinez, CA | $100.64M |
| Contra Costa County | Martinez, CA | $90.59M |
| Contra Costa County | Concord, CA | $83.05M |
| Contra Costa County | Antioch, CA | $65.79M |
| Contra Costa County | Martinez, CA | $64.10M |
| Contra Costa County | Brentwood, CA | $45.11M |
| Contra Costa County | Concord, CA | $33.14M |
| Lone Star Ambulance 1, LLC | Corpus Christi, TX | $31.57M |
| Contra Costa County | Martinez, CA | $30.20M |
| Contra Costa County | San Pablo, CA | $28.69M |
| Contra Costa County | Pittsburg, CA | $24.26M |
| Contra Costa County | Concord, CA | $19.55M |
| Contra Costa County | Antioch, CA | $17.16M |
| Contra Costa County | North Richmond, CA | $14.20M |
| Contra Costa County | San Pablo, CA | $13.26M |
| Contra Costa County | Bay Point, CA | $10.44M |
| Contra Costa County | Martinez, CA | $7.24M |
Matched on the authorized-official name exactly as entered in NPPES. A common name can match unrelated people.