Internal Medicine, Rheumatology · Boston, MA
NPI
1962611301
Since 2007
Specialty
Internal Medicine, Rheumatology
Code 207RR0500X
Group practices
2
Medicare group memberships
Hospitals
5
Hospital affiliations
55 Fruit St Yawkey 2c, Rheumatology Unit, Mgh,
Boston, MA, 02114
Phone (617) 726-7938
Groups this clinician bills Medicare through
Medicare paid, 2024
$55K
675 services
Medicare patients, 2024
312
Average age 73
Drug cost, 2024
$1.9M
1,136 prescriptions
Company payments, 2025
$22K
From 6 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Flavia V Castelino was code 99214 (office e&m - established), 191 times for 165 patients. In total Flavia V Castelino billed 675 services in 12 codes, and Medicare paid $55K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2011-02-18.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Facility | 191 | 165 | $77.95 | $15K |
| 99215 Office E&M - Established | Facility | 146 | 109 | $118.90 | $17K |
| 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 | Facility | 101 | 90 | $13.82 | $1,396 |
| 99214 Office E&M - Established | Office | 100 | 75 | $108.27 | $11K |
| 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 | 44 | 42 | $13.82 | $608 |
| 99215 Office E&M - Established | Office | 41 | 35 | $151.89 | $6,228 |
| 99443 Telephone Services | Facility | 20 | 20 | $75.72 | $1,514 |
By year: 2022 $52K for 623 services; 2023 $54K for 630 services; 2024 $55K for 675 services.
Medicare prescription drug claims, 2024
In 2024, the drug Flavia V Castelino prescribed most often to Medicare patients was Methotrexate (Methotrexate Sodium), with 203 prescriptions and refills. In total Flavia V Castelino wrote 1,136 Medicare prescriptions that cost $1.9M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Methotrexate Methotrexate Sodium | 203 | 546 | 67 | $7,014 |
| Prednisone Generic | 142 | 241 | 57 | $870 |
| Humira(Cf) Pen Adalimumab | 124 | 124 | 16 | $895K |
| Mycophenolate Mofetil Generic | 86 | 225 | 22 | $46K |
| Hydroxychloroquine Sulfate Generic | 65 | 182 | 26 | $3,372 |
| Allopurinol Generic | 52 | 157 | 18 | $541 |
| Enbrel Sureclick Etanercept | 40 | 40 | Under 11 | $284K |
| Omeprazole Generic | 32 | 96 | 12 | $641 |
| Folic Acid Generic | 26 | 79 | Under 11 | $209 |
| Amlodipine Besylate Generic | 25 | 73 | Under 11 | $116 |
| Actemra Actpen Tocilizumab | 24 | 24 | Under 11 | $69K |
| Nifedipine Er Nifedipine | 20 | 60 | Under 11 | $941 |
| Rinvoq Upadacitinib | 18 | 20 | Under 11 | $124K |
| Sildenafil Citrate Generic | 18 | 38 | Under 11 | $12K |
| Celecoxib Generic | 17 | 23 | 11 | $280 |
Brand drugs: - claims; generic drugs: 830 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Flavia V Castelino $22K ($22K in general payments such as food, travel and fees) from 6 companies. The largest payer was Boehringer Ingelheim Pharmaceuticals, Inc. with $20K.
| Company | Payments | Amount |
|---|---|---|
| Boehringer Ingelheim Pharmaceuticals, Inc. | 31 | $20K |
| Takeda Pharmaceuticals U.S.A., Inc. TAK | 1 | $2,400 |
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.