Internal Medicine, Endocrinology, Diabetes, & Metabolism · Stony Brook, NY
NPI
1467624064
Since 2008
Specialty
Internal Medicine, Endocrinology, Diabetes, & Metabolism
Code 207RE0101X
Group practices
1
Medicare group memberships
Hospitals
3
Hospital affiliations
2500 Nesconset Hwy, Bldg 3c
Stony Brook, NY, 11790
Phone (631) 751-2400
Groups this clinician bills Medicare through
Medicare paid, 2024
$702K
40,213 services
Medicare patients, 2024
1,212
Average age 75
Drug cost, 2024
$4.1M
6,217 prescriptions
Company payments, 2025
$21K
From 31 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Theofanis Mitsinikos was code 99214 (office e&m - established), 2,444 times for 1,111 patients. In total Theofanis Mitsinikos billed 40,213 services in 49 codes, and Medicare paid $702K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2011-01-13.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Office | 2,444 | 1,111 | $109.00 | $266K |
| 36415 Venipuncture Blood Collection | Office | 1,349 | 535 | $2.94 | $3,964 |
| 84481 Clinical Chemistry | Office | 1,271 | 508 | $16.57 | $21K |
| 84443 Clinical Chemistry | Office | 1,252 | 505 | $16.43 | $21K |
| 84439 Clinical Chemistry | Office | 1,252 | 505 | $8.82 | $11K |
| 82550 Clinical Chemistry | Office | 1,039 | 486 | $6.37 | $6,613 |
| 84550 Clinical Chemistry | Office | 1,033 | 362 | $4.43 | $4,580 |
| 83735 Clinical Chemistry | Office | 1,033 | 362 | $6.56 | $6,779 |
| 80076 Clinical Chemistry | Office | 1,031 | 362 | $8.00 | $8,249 |
| 84520 Clinical Chemistry | Office | 1,030 | 362 | $3.87 | $3,990 |
| 82310 Clinical Chemistry | Office | 1,030 | 362 | $5.05 | $5,206 |
| 82565 Clinical Chemistry | Office | 1,030 | 362 | $5.01 | $5,164 |
| 82977 Clinical Chemistry | Office | 1,030 | 362 | $7.05 | $7,262 |
| 84100 Clinical Chemistry | Office | 1,027 | 362 | $4.65 | $4,771 |
| 82947 Clinical Chemistry | Office | 1,027 | 362 | $3.85 | $3,956 |
By year: 2022 $688K for 37,721 services; 2023 $667K for 39,147 services; 2024 $702K for 40,213 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 36415 Venipuncture Blood Collection | 1,349 | 535 | $2.94 | $3,964 |
| 84481 Clinical Chemistry | 1,271 | 508 | $16.57 | $21K |
| 84443 Clinical Chemistry | 1,252 | 505 | $16.43 | $21K |
| 84439 Clinical Chemistry | 1,252 | 505 | $8.82 | $11K |
| 82550 Clinical Chemistry | 1,039 | 486 | $6.37 | $6,613 |
| 84550 Clinical Chemistry | 1,033 | 362 | $4.43 | $4,580 |
| 83735 Clinical Chemistry | 1,033 | 362 | $6.56 | $6,779 |
| 80076 Clinical Chemistry | 1,031 | 362 | $8.00 | $8,249 |
| 82565 Clinical Chemistry | 1,030 | 362 | $5.01 | $5,164 |
| 82310 Clinical Chemistry | 1,030 | 362 | $5.05 | $5,206 |
Medicare prescription drug claims, 2024
In 2024, the drug Theofanis Mitsinikos prescribed most often to Medicare patients was Synthroid (Levothyroxine Sodium), with 766 prescriptions and refills. In total Theofanis Mitsinikos wrote 6,217 Medicare prescriptions that cost $4.1M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Synthroid Levothyroxine Sodium | 766 | 2,160 | 205 | $69K |
| Levothyroxine Sodium Generic | 669 | 1,897 | 191 | $11K |
| Metformin Hcl Er Metformin Hcl | 496 | 1,456 | 159 | $6,518 |
| Trulicity Dulaglutide | 294 | 605 | 70 | $597K |
| Ozempic Semaglutide | 291 | 697 | 85 | $673K |
| Farxiga Dapagliflozin Propanediol | 266 | 731 | 76 | $400K |
| Mounjaro Tirzepatide | 214 | 304 | 39 | $321K |
| Atorvastatin Calcium Generic | 198 | 590 | 63 | $1,606 |
| Rosuvastatin Calcium Generic | 193 | 575 | 60 | $2,910 |
| Nano 2nd Gen Pen Needle Pen Needle, Diabetic | 176 | 486 | 69 | $16K |
| Jardiance Empagliflozin | 141 | 415 | 44 | $240K |
| Metformin Hcl Generic | 139 | 415 | 44 | $1,330 |
| Xigduo Xr Dapaglifloz Propaned/Metformin | 126 | 274 | 30 | $157K |
| Testosterone Generic | 119 | 164 | 25 | $27K |
| Vascepa Icosapent Ethyl | 108 | 304 | 33 | $105K |
Brand drugs: 3,436 claims; generic drugs: 2,537 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Theofanis Mitsinikos $21K ($21K in general payments such as food, travel and fees) from 31 companies. The largest payer was Intra-Sana Laboratories with $8,120.
| Company | Payments | Amount |
|---|---|---|
| Intra-Sana Laboratories | 11 | $8,120 |
| Lilly USA, LLC LLY | 15 | $4,887 |
| Abbvie Inc. ABBV | 12 | $2,612 |
| Mannkind Corporation MNKD | 19 | $1,382 |
| Novo Nordisk Inc NVO | 22 | $761 |
| Xeris Pharmaceuticals, Inc. | 15 | $471 |
| Ascendis Pharma Endocrinology Inc ASND | 6 | $446 |
| Dexcom, Inc. DXCM | 6 | $414 |
| Bayer Healthcare Pharmaceuticals Inc. BAYN.DE | 11 | $276 |
| Medtronic, Inc. MDT | 4 | $238 |
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.