Impossible Billing Volume: Providers Filing 50+ Claims Per Day
Some providers file so many claims per working day that they physically could not have performed the services. At 50+ claims per day, each patient visit would need to be under 10 minutes. The top providers file tens of thousands of claims daily — physically impossible for a single provider.
60K
Top claims/day
200
Flagged providers
200
Over 1K/day
$104.16B
Total spending
The Math: Why 50+ Claims/Day Is a Red Flag
We calculate claims per working day by dividing total claims by active months, then by 22 working days per month. Here's what different volumes mean in practice:
10–20/day
Typical busy practice. 24–48 min per patient in an 8-hour day. Normal.
50–100/day
Under 10 min per visit. Possible with lab work or group billing, but unusual for clinical care.
1,000+/day
Physically impossible for an individual. Likely an organization, clearinghouse, or billing aggregator.
The Most Extreme Cases
NPI: 1366479099 · 84 months active
60K
claims/day
$668.5M
total paid
111.6M
total claims
<0.01 min
per claim (8hr day)
NPI: 1063497451 · 84 months active
59K
claims/day
$717.5M
total paid
109.5M
total claims
<0.01 min
per claim (8hr day)
NPI: 1699725143 · 84 months active
58K
claims/day
$3.09B
total paid
107.7M
total claims
<0.01 min
per claim (8hr day)
NPI: 1538144910 · 84 months active
56K
claims/day
$1.44B
total paid
103.9M
total claims
<0.01 min
per claim (8hr day)
NPI: 1417262056 · 84 months active
49K
claims/day
$7.18B
total paid
89.8M
total claims
<0.01 min
per claim (8hr day)
The top provider on this list averaged 60K claims per working day for 84 consecutive months. That's roughly one claim every fraction of a second throughout the workday. Even if we assume 24/7 operations, the sheer volume raises questions about what's actually being billed.
Scale Matters
These 200 providers collectively account for $104.16B in Medicaid payments and 2.9B claims. Of these, 200 providers average more than 100 claims per working day.
To put these numbers in context: a solo physician working 8 hours with no breaks and seeing each patient for 15 minutes could see a maximum of 32 patients. Even a high-volume urgent care center rarely exceeds 60–80 visits per day. Many of the providers on this list exceed that by orders of magnitude.
Important Caveat: Organizational NPIs
Some entries on this list may be organizations or billing entities — hospitals, lab chains, managed care organizations, or state agencies — that aggregate claims across many individual practitioners under a single NPI. This is expected for institutional NPIs and does not necessarily indicate fraud. The flag is most meaningful for individual provider NPIs, where a single person is supposedly delivering all the billed services. Providers flagged here often also appear on our multi-method highest-confidence list, where billing velocity is combined with other independent detection systems.
Top 30 Highest-Volume Providers
| # | Provider | Claims/Day | Total Claims | Total Paid | Beneficiaries |
|---|---|---|---|---|---|
| 1 | Unilab Corporation 84 months active | 60K | 111.6M | $668.5M | 108.2M |
| 2 | Laboratory Corporation of America Holdings 84 months active | 59K | 109.5M | $717.5M | 101.7M |
| 3 | Modivcare Solutions, LLC 84 months active | 58K | 107.7M | $3.09B | 16.4M |
| 4 | Laboratory Corporation of America Holdings 84 months active | 56K | 103.9M | $1.44B | 92.1M |
| 5 | Public Partnerships LLC 84 months active | 49K | 89.8M | $7.18B | 5.6M |
| 6 | Laboratory Corporation of America 84 months active | 35K | 64.4M | $147.1M | 62.4M |
| 7 | Tempus Unlimited, Inc. 84 months active | 34K | 63.5M | $5.57B | 3.3M |
| 8 | Bioreference Health LLC 84 months active | 33K | 60.8M | $620.1M | 59.0M |
| 9 | Quest Diagnostics Incorporated 84 months active | 31K | 57.2M | $637.7M | 54.6M |
| 10 | Laboratory Corporation of America Holdings 84 months active | 29K | 53.5M | $617.0M | 48.0M |
| 11 | Purfoods LLC 84 months active | 28K | 51.0M | $910.6M | 4.6M |
| 12 | Quest Diagnostics LLC 84 months active | 25K | 45.9M | $209.7M | 41.3M |
| 13 | Laboratory Corporation of America 84 months active | 20K | 37.6M | $171.1M | 33.6M |
| 14 | Guardiantrac. LLC 84 months active | 19K | 35.6M | $2.68B | 2.4M |
| 15 | Medical Transportation Management Inc. 84 months active | 19K | 34.4M | $894.4M | 5.0M |
| 16 | Los Angeles County Department of Mental Health 83 months active | 17K | 30.9M | $6.78B | 10.5M |
| 17 | Laboratory Corporation of America 84 months active | 17K | 31.0M | $265.9M | 28.9M |
| 18 | Millennium Health LLC 84 months active | 17K | 30.7M | $579.3M | 15.2M |
| 19 | Call the Car 73 months active | 17K | 26.6M | $723.9M | 3.4M |
| 20 | Laboratory Corporation of America Holdings 84 months active | 16K | 29.7M | $289.1M | 25.9M |
| 21 | Unilab Corporation 84 months active | 16K | 29.5M | $141.2M | 28.0M |
| 22 | Quest Diagnostics LLC IL 84 months active | 16K | 29.3M | $429.8M | 26.9M |
| 23 | Sonora Quest Laboratories LLC 84 months active | 15K | 28.5M | $298.1M | 26.0M |
| 24 | Quest Diagnostics Clinical Laboratories INC 84 months active | 15K | 26.9M | $276.8M | 24.8M |
| 25 | Quest Diagnostics Clinical Laboratories INC 84 months active | 13K | 24.3M | $197.6M | 22.2M |
| 26 | Consumer Direct Care Network Virginia 78 months active | 13K | 22.2M | $2.11B | 1.1M |
| 27 | Yale New Haven Hospital 84 months active | 13K | 23.6M | $1.08B | 17.4M |
| 28 | Freedom Care LLC 84 months active | 12K | 22.0M | $3.03B | 1.2M |
| 29 | Veyo, LLC 84 months active | 11K | 20.3M | $416.8M | 4.7M |
| 30 | Stavros Center for Independent Living Inc. 48 months active | 11K | 11.2M | $1.04B | 427K |
Key Takeaways
- ▸200 providers average more than 50 claims per working day across their active months.
- ▸The top provider averages 60K claims/day — roughly one claim every fraction of a second.
- ▸200 providers exceed 1,000 claims per working day — volumes only explainable by organizational or aggregated billing.
- ▸Institutional NPIs (hospitals, labs, managed care) can legitimately have high volumes. This flag is most meaningful for individual practitioner NPIs.
Source: HHS T-MSIS Other Services File (2018–2024) · 227M records
Frequently Asked Questions
What is impossible billing volume?
When a provider files so many claims that it would be physically impossible to deliver the billed services — like 60,000 claims per day, or one every fraction of a second.
How many providers show impossible billing volumes?
200 Medicaid providers file 50+ claims per working day. The most extreme averages over 60,000 daily claims — a volume no individual or small practice could physically perform.
Why aren't impossible volumes caught automatically?
Medicaid claims are processed by state systems that focus on eligibility and coding validity, not physical plausibility. Volume-based fraud detection requires cross-referencing claims against realistic service capacity.