Internal Medicine, Endocrinology, Diabetes, & Metabolism · Wilmington, NC
NPI
1457345928
Since 2005
Specialty
Internal Medicine, Endocrinology, Diabetes, & Metabolism
Code 207RE0101X
Group practices
2
Medicare group memberships
Hospitals
3
Hospital affiliations
2421 Silver Stream Ln
Wilmington, NC, 28401
Phone (910) 341-3300
Groups this clinician bills Medicare through
Medicare paid, 2024
$397K
29,135 services
Medicare patients, 2024
958
Average age 74
Drug cost, 2024
$3.3M
5,729 prescriptions
Company payments, 2025
$72K
From 34 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by John C Parker was code J0897 (injection, denosumab, 1 mg), 6,660 times for 66 patients. In total John C Parker billed 29,135 services in 69 codes, and Medicare paid $397K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2021-02-08.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| J0897 Injection, denosumab, 1 mg | Office | 6,660 | 66 | $20.40 | $136K |
| 36415 Venipuncture Blood Collection | Office | 1,209 | 743 | $8.63 | $10K |
| 84443 Clinical Chemistry | Office | 905 | 621 | $16.44 | $15K |
| 80053 Clinical Chemistry | Office | 793 | 533 | $10.34 | $8,198 |
| 84439 Clinical Chemistry | Office | 788 | 544 | $8.83 | $6,958 |
| 99215 Office E&M - Established | Office | 627 | 490 | $118.05 | $74K |
| 99214 Office E&M - Established | Office | 459 | 378 | $77.52 | $36K |
| 83036 Blood Count | Office | 445 | 288 | $9.52 | $4,236 |
| 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 | 389 | 329 | $11.85 | $4,611 |
| 84481 Clinical Chemistry | Office | 306 | 229 | $16.60 | $5,080 |
| 76536 Ultrasound - Nonspecific | Office | 302 | 293 | $76.17 | $23K |
| 80061 Clinical Chemistry | Office | 257 | 170 | $13.12 | $3,372 |
| 96372 Injection Administration | Office | 248 | 79 | $9.55 | $2,367 |
| 82306 Clinical Chemistry | Office | 234 | 183 | $28.90 | $6,762 |
| 95251 Test - Miscellaneous | Office | 229 | 143 | $23.95 | $5,484 |
By year: 2022 $550K for 55,552 services; 2023 $426K for 29,752 services; 2024 $397K for 29,135 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 36415 Venipuncture Blood Collection | 1,209 | 743 | $8.63 | $10K |
| 84443 Clinical Chemistry | 905 | 621 | $16.44 | $15K |
| 80053 Clinical Chemistry | 793 | 533 | $10.34 | $8,198 |
| 84439 Clinical Chemistry | 788 | 544 | $8.83 | $6,958 |
| 83036 Blood Count | 445 | 288 | $9.52 | $4,236 |
| 84481 Clinical Chemistry | 306 | 229 | $16.60 | $5,080 |
| 80061 Clinical Chemistry | 257 | 170 | $13.12 | $3,372 |
| 82306 Clinical Chemistry | 234 | 183 | $28.90 | $6,762 |
| 82570 Clinical Chemistry | 204 | 137 | $5.08 | $1,036 |
| 82043 Clinical Chemistry | 204 | 137 | $5.66 | $1,155 |
Medicare prescription drug claims, 2024
In 2024, the drug John C Parker prescribed most often to Medicare patients was Levothyroxine Sodium, with 866 prescriptions and refills. In total John C Parker wrote 5,729 Medicare prescriptions that cost $3.3M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Levothyroxine Sodium Generic | 866 | 2,473 | 279 | $11K |
| Synthroid Levothyroxine Sodium | 513 | 1,261 | 139 | $48K |
| Ozempic Semaglutide | 325 | 594 | 86 | $557K |
| Metformin Hcl Er Metformin Hcl | 284 | 785 | 91 | $3,562 |
| Liothyronine Sodium Generic | 263 | 775 | 89 | $8,863 |
| Methimazole Generic | 164 | 434 | 54 | $1,840 |
| Metformin Hcl Generic | 123 | 359 | 40 | $1,295 |
| Lantus Solostar Insulin Glargine,hum.Rec.Anlog | 122 | 258 | 46 | $15K |
| Glimepiride Generic | 113 | 277 | 34 | $1,463 |
| Trulicity Dulaglutide | 88 | 128 | 22 | $122K |
| Mounjaro Tirzepatide | 84 | 102 | 24 | $101K |
| Januvia Sitagliptin Phosphate | 79 | 121 | 16 | $63K |
| Armour Thyroid Thyroid,pork | 76 | 170 | 24 | $5,930 |
| Atorvastatin Calcium Generic | 75 | 207 | 23 | $833 |
| Hydrocortisone Generic | 74 | 166 | 24 | $3,425 |
Brand drugs: 2,590 claims; generic drugs: 2,794 claims; opioid claims: 22.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid John C Parker $72K ($70K in general payments such as food, travel and fees and $1,284 for research) from 34 companies. The largest payer was Corcept Therapeutics with $43K.
| Company | Payments | Amount |
|---|---|---|
| Corcept Therapeutics CORT | 45 | $43K |
| Insulet Corporation PODD | 21 | $14K |
| Novo Nordisk Inc NVO | 25 | $13K |
| Lilly USA, LLC LLY | 16 | $282 |
| Antares Pharma, Inc. | 8 | $188 |
| Amgen Inc. AMGN | 14 | $177 |
| Ascendis Pharma Endocrinology Inc ASND | 5 | $106 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 5 | $106 |
| Abbott Laboratories ABT | 5 | $92.58 |
| Bayer Healthcare Pharmaceuticals Inc. BAYN.DE | 4 | $85.39 |
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.