Doctor profile · Federal record
Dr. Flavia Castelino, M.D.
Rheumatology Physician (CMS: Rheumatology) · Boston, MA
- NPI 1962611301
- Accepts Medicare
- 22 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
55 Fruit St Yawkey 2C, Rheumatology Unit, MGH,
Boston, MA 02114
(617) 726-7938
Credentials & registration
- NPI registered
- May 2007 — 19 yrs on file
- Profile last updated
- February 18, 2011
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 207RR0500X — NUCC code
- State license (1)
- Massachusetts #231346
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1962611301. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
585
Distinct HCPCS
4
Medicare allowed
$70,418
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 310 | 211 | $104 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 217 | 148 | $153 | |
99443 |
Telephone medical discussion with physician, 21-30 minutes | 41 | 33 | $103 | |
20610 |
Aspiration and/or injection of fluid from large joint | 17 | 14 | $48 |
In context: peer comparison
Among 41 peers in Boston Rheumatology Physician, average services per provider: 68. This provider delivers 8.6× the peer median.Open Payments
Industry payments received
All-time total
$14,620
Transactions
7
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Boehringer Ingelheim Pharmaceuticals, INC. | 7 | $14,619.61 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,008
Patients
211
Total drug cost
$1,911,563
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Methotrexate (Methotrexate Sodium) | Brand | 247 | 75 | $13,308 |
| Humira(Cf) Pen (Adalimumab) | Brand | 148 | 20 | $1,126,747 |
| Prednisone | Generic | 113 | 39 | $839 |
| Enbrel Sureclick (Etanercept) | Brand | 81 | 0 | $610,275 |
| Hydroxychloroquine Sulfate | Generic | 77 | 25 | $6,606 |
| Mycophenolate Mofetil | Generic | 72 | 22 | $32,804 |
| Allopurinol | Generic | 46 | 15 | $883 |
| Folic Acid | Generic | 42 | 15 | $180 |
| Omeprazole | Generic | 32 | 0 | $1,484 |
| Celecoxib | Generic | 31 | 0 | $664 |
Hospital affiliations
Frequently asked questions
What is Dr. Flavia Castelino's medical specialty?
Dr. Flavia Castelino practices Rheumatology Physician in Boston, MA.
Where does Dr. Flavia Castelino practice?
Dr. Flavia Castelino practices at 55 Fruit St Yawkey 2C, Boston, MA 02114. Office phone: 6177267938.
What is Dr. Flavia Castelino's NPI?
Dr. Flavia Castelino's National Provider Identifier (NPI) is 1962611301, issued by NPPES.
Does Dr. Flavia Castelino accept Medicare assignment?
Yes. Dr. Flavia Castelino accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Flavia Castelino commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Telephone medical discussion with physician (HCPCS 99443). Source: CMS Medicare Physician & Other Practitioners file.