Supplier
W S Associates INC
W S Associates INC was paid $3.52M by Medicaid between Jan 2018 and Dec 2024, across 46 billing codes. Its largest line is E0601, Continuous positive airway pressure (cpap) device — 15% of everything it billed.
33Billing provider infoW S ASSOCIATES INC
SALISBURY, MD 21801
SALISBURY, MD 21801
33aNPI1861496812assigned 06/08/2005
33bProvider typePharmacy
28Total paid$3.52M
24GClaims82,990
24DCodes billed46
24AFirst – last monthJan 2018 – Dec 2024
Compared with peers
Next to other Pharmacy providers in Maryland
Rank by total paid#1 of 20
Median peer was paid$4K
This provider vs. median877×
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 | 4,143 | $89K | |
| 2019 | 4,574 | $105K | |
| 2020 | 14,759 | $614K | |
| 2021 | 15,174 | $686K | |
| 2022 | 15,743 | $664K | |
| 2023 | 16,348 | $811K | |
| 2024incomplete | 12,249 | $551K |
Box 24 · Service lines
What it billed for
| Code | Service | Share | Claims | Bene. records | Paid |
|---|---|---|---|---|---|
| E0601 | Continuous positive airway pressure (cpap) device | 15% | 3,913 | 3,590 | $523K |
| A4520 | Incontinence garment, any type, (e.g., brief, diaper), each | 13% | 3,577 | 2,875 | $460K |
| A7030 | Full face mask used with positive airway pressure device, each | 8.9% | 4,231 | 3,990 | $314K |
| E1390 | Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate | 7.7% | 4,478 | 4,014 | $270K |
| K0553 | Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service | 4.8% | 1,644 | 1,363 | $171K |
| T4528 | Adult sized disposable incontinence product, protective underwear/pull-on, extra large size, each | 4.8% | 1,084 | 1,054 | $169K |
| T4541 | Incontinence product, disposable underpad, large, each | 4.6% | 3,254 | 3,117 | $164K |
| E0562 | Humidifier, heated, used with positive airway pressure device | 4.0% | 3,458 | 3,144 | $141K |
| E0570 | Nebulizer, with compressor | 3.9% | 4,770 | 4,432 | $137K |
| A7034 | Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap | 3.2% | 2,026 | 1,919 | $113K |
| T4535 | Disposable liner/shield/guard/pad/undergarment, for incontinence, each | 2.6% | 1,608 | 1,513 | $90K |
| A7037 | Tubing used with positive airway pressure device | 2.5% | 5,530 | 5,220 | $87K |
34 more codes
| A7031 | Face mask interface, replacement for full face mask, each | 2.2% | 2,694 | $76K |
| A4239 | Supply allowance for non-adjunctive, non-implanted continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service | 2.1% | 794 | $74K |
| T4526 | Adult sized disposable incontinence product, protective underwear/pull-on, medium size, each | 2.0% | 436 | $71K |
| T4527 | Adult sized disposable incontinence product, protective underwear/pull-on, large size, each | 2.0% | 445 | $71K |
| A7035 | Headgear used with positive airway pressure device | 1.8% | 3,679 | $65K |
| A7038 | Filter, disposable, used with positive airway pressure device | 1.3% | 8,233 | $47K |
| A7046 | Water chamber for humidifier, used with positive airway pressure device, replacement, each | 1.3% | 2,458 | $45K |
| A4554 | Disposable underpads, all sizes | 1.2% | 2,976 | $44K |
| E0431 | Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing | 1.2% | 3,228 | $41K |
| E0443 | Portable oxygen contents, gaseous, 1 month's supply = 1 unit | 1.1% | 850 | $37K |
| A7032 | Cushion for use on nasal mask interface, replacement only, each | 1.0% | 1,305 | $35K |
| A7033 | Pillow for use on nasal cannula type interface, replacement only, pair | <1% | 1,323 | $33K |
| E0260 | Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress | <1% | 889 | $29K |
| A4553 | Non-disposable underpads, all sizes | <1% | 1,719 | $25K |
| K0001 | Standard wheelchair | <1% | 1,494 | $25K |
| A4927 | Gloves, non-sterile, per 100 | <1% | 1,827 | $22K |
| E0118 | Crutch substitute, lower leg platform, with or without wheels, each | <1% | 532 | $21K |
| A4604 | Tubing with integrated heating element for use with positive airway pressure device | <1% | 513 | $21K |
| L0641 | Lumbar orthosis, sagittal control, with rigid posterior panel(s), posterior extends from l-1 to below l-5 vertebra, produces intracavitary pressure to reduce load on the intervertebral discs, includes straps, closures, may include padding, stays, shoulder straps, pendulous abdomen design, prefabricated, off-the-shelf | <1% | 320 | $19K |
| L3908 | Wrist hand orthosis, wrist extension control cock-up, non molded, prefabricated, off-the-shelf | <1% | 340 | $15K |
| E0603 | Breast pump, electric (ac and/or dc), any type | <1% | 185 | $14K |
| A7039 | Filter, non disposable, used with positive airway pressure device | <1% | 1,576 | $12K |
| Q0513 | Pharmacy dispensing fee for inhalation drug(s); per 30 days | <1% | 735 | $9K |
| E0470 | Respiratory assist device, bi-level pressure capability, without backup rate feature, used with noninvasive interface, e.g., nasal or facial mask (intermittent assist device with continuous positive airway pressure device) | <1% | 89 | $9K |
| A7003 | Administration set, with small volume nonfiltered pneumatic nebulizer, disposable | <1% | 2,833 | $7K |
| T4524 | Adult sized disposable incontinence product, brief/diaper, extra large, each | <1% | 39 | $6K |
| A6530 | Gradient compression stocking, below knee, 18-30 mmhg, each | <1% | 52 | $5K |
| T4537 | Incontinence product, protective underpad, reusable, bed size, each | <1% | 196 | $3K |
| A7015 | Aerosol mask, used with dme nebulizer | <1% | 1,521 | $2K |
| E0114 | Crutches underarm, other than wood, adjustable or fixed, pair, with pads, tips and handgrips | <1% | 31 | $1K |
| E0143 | Walker, folding, wheeled, adjustable or fixed height | <1% | 14 | $513.35 |
| E0630 | Patient lift, hydraulic or mechanical, includes any seat, sling, strap(s) or pad(s) | <1% | 12 | $320.05 |
| J7613 | Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg | <1% | 65 | $2.35 |
| A4453 | Rectal catheter with or without balloon, for use with any type transanal irrigation system, each | 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.
From NPPES
Who's on the registration
Authorized officialSHERR, JEFF (PRESIDENT)