Doctor profile · Federal record
Dr. Sebastian Unizony, MD
Rheumatology Physician (CMS: Rheumatology) · Boston, MA
- NPI 1821227745
- Accepts Medicare
- 25 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
55 Fruit St, Rheumatology Department, Bulfinch 165
Boston, MA 021142621
(617) 726-2000 - Mailing address
-
14 Gloucester St, Apt 2F
Boston, MA 021151731
Credentials & registration
- NPI registered
- July 2009 — 17 yrs on file
- Profile last updated
- June 8, 2011
- Year of graduation
- 2001 — 25 yrs since
- Specialty taxonomy
- 207RR0500X — NUCC code
- State license (1)
- Massachusetts #247019
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1821227745. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
669
Distinct HCPCS
5
Medicare allowed
$67,203
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 520 | 303 | $102 | |
99443 |
Telephone medical discussion with physician, 21-30 minutes | 45 | 37 | $103 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 38 | 31 | $70 | |
20610 |
Aspiration and/or injection of fluid from large joint | 33 | 19 | $53 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 33 | 31 | $148 |
In context: peer comparison
Among 41 peers in Boston Rheumatology Physician, average services per provider: 68. This provider delivers 9.8× the peer median.Open Payments
Industry payments received
All-time total
$750
Transactions
2
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Genzyme Corporation | 2 | $750.00 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,212
Patients
327
Total drug cost
$1,637,432
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisone | Generic | 251 | 91 | $3,707 |
| Methotrexate (Methotrexate Sodium) | Brand | 134 | 44 | $7,593 |
| Actemra Actpen (Tocilizumab) | Brand | 123 | 19 | $596,392 |
| Hydroxychloroquine Sulfate | Generic | 120 | 38 | $6,208 |
| Gabapentin | Generic | 111 | 40 | $6,691 |
| Nortriptyline Hcl | Generic | 99 | 28 | $2,759 |
| Alendronate Sodium | Generic | 66 | 27 | $1,372 |
| Duloxetine Hcl | Generic | 63 | 17 | $2,463 |
| Humira(Cf) Pen (Adalimumab) | Brand | 62 | 0 | $539,871 |
| Allopurinol | Generic | 39 | 12 | $627 |
Hospital affiliations
Frequently asked questions
What is Dr. Sebastian Unizony's medical specialty?
Dr. Sebastian Unizony practices Rheumatology Physician in Boston, MA.
Where does Dr. Sebastian Unizony practice?
Dr. Sebastian Unizony practices at 55 Fruit St, Boston, MA 021142621. Office phone: 6177262000.
What is Dr. Sebastian Unizony's NPI?
Dr. Sebastian Unizony's National Provider Identifier (NPI) is 1821227745, issued by NPPES.
Does Dr. Sebastian Unizony accept Medicare assignment?
Yes. Dr. Sebastian Unizony accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sebastian Unizony commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Telephone medical discussion with physician (HCPCS 99443); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.