Doctor profile · Federal record
Dr. Arturo Diaz, MD
Rheumatology Physician (CMS: Internal Medicine) · Boston, MA
- NPI 1245315852
- Accepts Medicare
- 49 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
110 Francis St. Suite 4B
Boston, MA 02215
(617) 632-8658
fax (617) 632-7514
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- April 8, 2011
- Year of graduation
- 1977 — 49 yrs since
- Specialty taxonomy
- 207RR0500X — NUCC code
- State license (1)
- Michigan #4301074804
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1245315852. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
462
Distinct HCPCS
5
Medicare allowed
$48,453
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 344 | 212 | $104 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 57 | 41 | $153 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 28 | 28 | $70 | |
20610 |
Aspiration and/or injection of fluid from large joint | 19 | 15 | $48 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 14 | 11 | $84 |
In context: peer comparison
Among 41 peers in Boston Rheumatology Physician, average services per provider: 68. This provider delivers 6.8× the peer median.Open Payments
Industry payments received
All-time total
$178
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Globus Medical, INC. | 1 | $156.00 | |
| Sun Pharmaceutical Industries INC. | 1 | $21.66 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,167
Patients
251
Total drug cost
$2,290,288
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisone | Generic | 186 | 60 | $1,417 |
| Methotrexate (Methotrexate Sodium) | Brand | 115 | 31 | $3,438 |
| Hydroxychloroquine Sulfate | Generic | 109 | 31 | $5,906 |
| Humira(Cf) Pen (Adalimumab) | Brand | 87 | 14 | $933,761 |
| Celecoxib | Generic | 84 | 27 | $2,029 |
| Allopurinol | Generic | 83 | 23 | $2,215 |
| Colchicine | Generic | 63 | 15 | $9,258 |
| Orencia Clickject (Abatacept) | Brand | 63 | 0 | $399,333 |
| Gabapentin | Generic | 59 | 12 | $819 |
| Enbrel Sureclick (Etanercept) | Brand | 57 | 0 | $421,331 |
Frequently asked questions
What is Dr. Arturo Diaz's medical specialty?
Dr. Arturo Diaz practices Rheumatology Physician in Boston, MA.
Where does Dr. Arturo Diaz practice?
Dr. Arturo Diaz practices at 110 Francis St. Suite 4B, Boston, MA 02215. Office phone: 6176328658.
What is Dr. Arturo Diaz's NPI?
Dr. Arturo Diaz's National Provider Identifier (NPI) is 1245315852, issued by NPPES.
Does Dr. Arturo Diaz accept Medicare assignment?
Yes. Dr. Arturo Diaz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Arturo Diaz 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); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.