Physician Assistant · Idaho Falls, ID
NPI
1316985229
Since 2006
Specialty
Physician Assistant
Code 363A00000X
Group practices
1
Medicare group memberships
Hospitals
3
Hospital affiliations
3360 Washington Pkwy Ste 1
Idaho Falls, ID, 83404
Phone (208) 524-3416
Groups this clinician bills Medicare through
Medicare paid, 2024
$164K
4,855 services
Medicare patients, 2024
410
Average age 70
Drug cost, 2024
$1.9M
17,049 prescriptions
Company payments, 2025
$1,424
From 23 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Matthew J Merzlock was code 99214 (office e&m - established), 1,046 times for 311 patients. In total Matthew J Merzlock billed 4,855 services in 75 codes, and Medicare paid $164K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2013-03-12.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Office | 1,046 | 311 | $75.74 | $79K |
| J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Office | 1,021 | 92 | $0.78 | $795 |
| 81003 Clinical Chemistry | Office | 586 | 291 | $2.20 | $1,287 |
| 71046 X-ray - Chest | Office | 289 | 226 | $19.30 | $5,577 |
| G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Office | 236 | 236 | $100.31 | $24K |
| 96372 Injection Administration | Office | 209 | 100 | $8.80 | $1,840 |
| 93005 Electrocardiogram | Office | 181 | 170 | $3.99 | $722 |
| J0696 Injection, ceftriaxone sodium, per 250 mg | Office | 142 | 18 | $0.36 | $51.47 |
| 99215 Office E&M - Established | Office | 142 | 97 | $110.02 | $16K |
| 99213 Office E&M - Established | Office | 113 | 78 | $45.38 | $5,128 |
| 87804 Immunoassay | Office | 90 | 36 | $16.22 | $1,460 |
| J1100 Injection, dexamethasone sodium phosphate, 1 mg | Office | 72 | 12 | $0.09 | $6.42 |
| 87811 Immunoassay | Office | 52 | 41 | $40.55 | $2,109 |
| 87807 Immunoassay | Office | 47 | 37 | $12.84 | $603 |
| 70210 Standard X-ray | Office | 40 | 33 | $19.69 | $788 |
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 81003 Clinical Chemistry | 586 | 291 | $2.20 | $1,287 |
| 87804 Immunoassay | 90 | 36 | $16.22 | $1,460 |
| 87811 Immunoassay | 52 | 41 | $40.55 | $2,109 |
| 87807 Immunoassay | 47 | 37 | $12.84 | $603 |
| 87880 Immunoassay | 23 | 21 | $16.20 | $373 |
Medicare prescription drug claims, 2024
In 2024, the drug Matthew J Merzlock prescribed most often to Medicare patients was Omeprazole, with 932 prescriptions and refills. In total Matthew J Merzlock wrote 17,049 Medicare prescriptions that cost $1.9M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Omeprazole Generic | 932 | 1,716 | 207 | $11K |
| Levothyroxine Sodium Generic | 780 | 1,624 | 162 | $8,813 |
| Atorvastatin Calcium Generic | 553 | 1,071 | 121 | $4,554 |
| Gabapentin Generic | 351 | 600 | 81 | $6,896 |
| Metformin Hcl Generic | 347 | 864 | 105 | $2,491 |
| Trazodone Hcl Generic | 308 | 445 | 60 | $2,870 |
| Rosuvastatin Calcium Generic | 307 | 703 | 88 | $3,593 |
| Tamsulosin Hcl Generic | 297 | 626 | 74 | $3,397 |
| Lisinopril Generic | 292 | 621 | 73 | $2,110 |
| Potassium Chloride Generic | 289 | 436 | 67 | $4,688 |
| Amlodipine Besylate Generic | 287 | 650 | 81 | $1,098 |
| Olmesartan Medoxomil Generic | 274 | 584 | 75 | $3,292 |
| Losartan Potassium Generic | 273 | 579 | 70 | $2,344 |
| Simvastatin Generic | 223 | 558 | 59 | $1,140 |
| Escitalopram Oxalate Generic | 221 | 369 | 45 | $2,005 |
Brand drugs: 2,299 claims; generic drugs: 14,689 claims; opioid claims: 56.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Matthew J Merzlock $1,424 ($1,424 in general payments such as food, travel and fees) from 23 companies. The largest payer was Abbvie Inc. with $220.
| Company | Payments | Amount |
|---|---|---|
| Abbvie Inc. ABBV | 12 | $220 |
| Astellas Pharma US Inc 4503.T | 10 | $212 |
| Vanda Pharmaceuticals Inc. VNDA | 4 | $125 |
| Antares Pharma, Inc. | 7 | $122 |
| Lilly USA, LLC LLY | 7 | $104 |
| Phathom Pharmaceuticals, Inc. PHAT | 6 | $92.73 |
| Novo Nordisk Inc NVO | 5 | $83.74 |
| Aimmune Therapeutics, Inc. | 4 | $82.69 |
| Amgen Inc. AMGN | 4 | $61.81 |
| Otsuka America Pharmaceutical, Inc. 4578.T | 3 | $61.11 |
Official US government data on Original Medicare services, Medicare prescription drug plans and the payments drug and device companies must report. Services with fewer than 11 patients and drugs with fewer than 11 claims are not published. Procedure codes are shown by number with their public category.