Internal Medicine · Knoxville, TN
NPI
1649565755
Since 2011
Specialty
Internal Medicine
Code 207R00000X
Group practices
1
Medicare group memberships
Hospitals
3
Hospital affiliations
11440 Parkside Dr Ste 302
Knoxville, TN, 37934
Phone (865) 218-9220
Groups this clinician bills Medicare through
Medicare paid, 2024
$179K
5,614 services
Medicare patients, 2024
414
Average age 77
Drug cost, 2024
$736K
6,758 prescriptions
Company payments, 2025
$182
From 7 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Nathaniel R Piel was code 99214 (office e&m - established), 591 times for 308 patients. In total Nathaniel R Piel billed 5,614 services in 83 codes, and Medicare paid $179K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2020-02-19.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Office | 591 | 308 | $79.94 | $47K |
| 36415 Venipuncture Blood Collection | Office | 535 | 304 | $8.64 | $4,621 |
| 80048 Clinical Chemistry | Office | 506 | 299 | $8.29 | $4,192 |
| 85025 Blood Count | Office | 489 | 293 | $7.59 | $3,714 |
| 80061 Clinical Chemistry | Office | 429 | 263 | $13.09 | $5,618 |
| 84450 Clinical Chemistry | Office | 412 | 253 | $5.08 | $2,093 |
| 84460 Clinical Chemistry | Office | 411 | 253 | $5.19 | $2,134 |
| 83036 Blood Count | Office | 301 | 177 | $9.52 | $2,865 |
| G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Office | 222 | 222 | $124.78 | $28K |
| G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's | Office | 199 | 155 | $12.04 | $2,396 |
| 84443 Clinical Chemistry | Office | 123 | 78 | $16.46 | $2,025 |
| 99213 Office E&M - Established | Office | 104 | 87 | $53.07 | $5,519 |
| 82306 Clinical Chemistry | Office | 89 | 62 | $29.01 | $2,582 |
| 90677 Vaccine Product | Office | 83 | 83 | $284.80 | $24K |
| G0009 Administration of pneumococcal vaccine | Office | 78 | 78 | $29.78 | $2,323 |
By year: 2022 $136K for 4,571 services; 2023 $158K for 4,874 services; 2024 $179K for 5,614 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 36415 Venipuncture Blood Collection | 535 | 304 | $8.64 | $4,621 |
| 80048 Clinical Chemistry | 506 | 299 | $8.29 | $4,192 |
| 85025 Blood Count | 489 | 293 | $7.59 | $3,714 |
| 80061 Clinical Chemistry | 429 | 263 | $13.09 | $5,618 |
| 84450 Clinical Chemistry | 412 | 253 | $5.08 | $2,093 |
| 84460 Clinical Chemistry | 411 | 253 | $5.19 | $2,134 |
| 83036 Blood Count | 301 | 177 | $9.52 | $2,865 |
| 84443 Clinical Chemistry | 123 | 78 | $16.46 | $2,025 |
| 82306 Clinical Chemistry | 89 | 62 | $29.01 | $2,582 |
| 80076 Clinical Chemistry | 51 | 41 | $8.01 | $409 |
Medicare prescription drug claims, 2024
In 2024, the drug Nathaniel R Piel prescribed most often to Medicare patients was Atorvastatin Calcium, with 451 prescriptions and refills. In total Nathaniel R Piel wrote 6,758 Medicare prescriptions that cost $736K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Atorvastatin Calcium Generic | 451 | 1,253 | 123 | $4,318 |
| Amlodipine Besylate Generic | 392 | 1,070 | 106 | $1,873 |
| Levothyroxine Sodium Generic | 258 | 754 | 69 | $2,293 |
| Omeprazole Generic | 226 | 650 | 61 | $2,160 |
| Gabapentin Generic | 195 | 239 | 41 | $2,761 |
| Losartan Potassium Generic | 194 | 571 | 59 | $2,231 |
| Lisinopril Generic | 187 | 560 | 53 | $973 |
| Rosuvastatin Calcium Generic | 144 | 420 | 43 | $1,733 |
| Clonazepam Generic | 134 | 134 | 18 | $1,133 |
| Pravastatin Sodium Generic | 130 | 382 | 37 | $1,852 |
| Hydrochlorothiazide Generic | 119 | 321 | 33 | $420 |
| Eliquis Apixaban | 117 | 214 | 25 | $118K |
| Metformin Hcl Generic | 117 | 344 | 36 | $697 |
| Fluticasone Propionate Generic | 103 | 259 | 42 | $2,193 |
| Metformin Hcl Er Metformin Hcl | 97 | 279 | 27 | $898 |
Brand drugs: 945 claims; generic drugs: 5,757 claims; opioid claims: 85.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Nathaniel R Piel $182 ($182 in general payments such as food, travel and fees) from 7 companies. The largest payer was Novo Nordisk Inc with $59.36.
| Company | Payments | Amount |
|---|---|---|
| Novo Nordisk Inc NVO | 3 | $59.36 |
| GlaxoSmithKline, LLC. GSK | 2 | $35.05 |
| ARS Pharmaceuticals Operations, Inc. SPRY | 1 | $24.5 |
| AstraZeneca Pharmaceuticals LP AZN | 1 | $17.29 |
| E.R. Squibb & Sons, L.L.C. BMY | 1 | $16.12 |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC BHC | 1 | $15.35 |
| Exact Sciences Corporation EXAS | 1 | $14.19 |
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.