Internal Medicine, Endocrinology, Diabetes, & Metabolism · Hartford, CT
NPI
1568404267
Since 2006
Specialty
Internal Medicine, Endocrinology, Diabetes, & Metabolism
Code 207RE0101X
Group practices
2
Medicare group memberships
Hospitals
2
Hospital affiliations
100 Retreat Ave, Suite 400
Hartford, CT, 06106
Phone (860) 547-1278
Groups this clinician bills Medicare through
Medicare paid, 2024
$230K
9,173 services
Medicare patients, 2024
423
Average age 75
Drug cost, 2024
$3.8M
7,556 prescriptions
Company payments, 2025
$85K
From 16 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Robert M Oberstein was code J0897 (injection, denosumab, 1 mg), 6,900 times for 66 patients. In total Robert M Oberstein billed 9,173 services in 18 codes, and Medicare paid $230K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2012-02-06.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| J0897 Injection, denosumab, 1 mg | Office | 6,900 | 66 | $20.40 | $141K |
| 99214 Office E&M - Established | Office | 492 | 261 | $95.24 | $47K |
| 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 | 467 | 309 | $13.01 | $6,075 |
| 95251 Test - Miscellaneous | Office | 241 | 77 | $26.59 | $6,409 |
| 99213 Office E&M - Established | Office | 236 | 169 | $62.69 | $15K |
| 96372 Injection Administration | Office | 121 | 67 | $10.89 | $1,318 |
| 99204 Office E&M - New | Office | 29 | 29 | $123.80 | $3,590 |
| 99215 Office E&M - Established | Office | 23 | 22 | $140.42 | $3,230 |
| 83036 Blood Count | Office | 12 | 12 | $9.52 | $114 |
By year: 2022 $200K for 8,300 services; 2023 $238K for 10,728 services; 2024 $230K for 9,173 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 83036 Blood Count | 12 | 12 | $9.52 | $114 |
Medicare prescription drug claims, 2024
In 2024, the drug Robert M Oberstein prescribed most often to Medicare patients was Mounjaro (Tirzepatide), with 986 prescriptions and refills. In total Robert M Oberstein wrote 7,556 Medicare prescriptions that cost $3.8M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Mounjaro Tirzepatide | 986 | 1,227 | 148 | $1.3M |
| Synthroid Levothyroxine Sodium | 846 | 2,370 | 211 | $101K |
| Levothyroxine Sodium Generic | 697 | 1,974 | 187 | $7,023 |
| Unithroid Levothyroxine Sodium | 372 | 1,083 | 100 | $7,962 |
| Ozempic Semaglutide | 288 | 472 | 65 | $443K |
| Jardiance Empagliflozin | 272 | 660 | 71 | $345K |
| Metformin Hcl Generic | 244 | 700 | 75 | $2,024 |
| Rosuvastatin Calcium Generic | 227 | 645 | 62 | $2,245 |
| Farxiga Dapagliflozin Propanediol | 217 | 501 | 51 | $259K |
| Metformin Hcl Er Metformin Hcl | 194 | 576 | 59 | $1,269 |
| Atorvastatin Calcium Generic | 171 | 486 | 48 | $1,769 |
| Pioglitazone Hcl Generic | 163 | 459 | 43 | $2,248 |
| Ezetimibe Generic | 156 | 429 | 44 | $4,296 |
| Methimazole Generic | 146 | 378 | 38 | $979 |
| Nano 2nd Gen Pen Needle Pen Needle, Diabetic | 97 | 264 | 45 | $9,939 |
Brand drugs: 4,322 claims; generic drugs: 2,951 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Robert M Oberstein $85K ($85K in general payments such as food, travel and fees) from 16 companies. The largest payer was Lilly USA, LLC with $51K.
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.