Doctor profile · Federal record
Dr. Charles Birbara, M.D.
Specialist (CMS: Rheumatology) · Worcester, MA
- NPI 1093705410
- Accepts Medicare
- MIPS 89.0 / 100 · 2023
- 64 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
25 Oak Ave
Worcester, MA 016052751
(508) 799-2674
fax (508) 799-2586
Credentials & registration
- NPI registered
- October 2005 — 21 yrs on file
- Profile last updated
- June 8, 2012
- Year of graduation
- 1962 — 64 yrs since
- Specialty taxonomy
- 174400000X — NUCC code
- State license (1)
- Massachusetts #32425
- Medicaid
- MA #2034697
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1093705410. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
116,986
Distinct HCPCS
10
Medicare allowed
$1,313,096
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J3262 |
Injection, tocilizumab, 1 mg | 64,920 | 13 | $6 | |
J7328 |
Hyaluronan or derivative, gelsyn-3, for intra-articular injection, 0.1 mg | 18,984 | 22 | $1 | |
J0897 |
Injection, denosumab, 1 mg | 11,220 | 119 | $23 | |
J1745 |
Injection, infliximab, excludes biosimilar, 10 mg | 6,821 | 24 | $30 | |
Q5104 |
Injection, infliximab-abda, biosimilar, (renflexis), 10 mg | 4,730 | 22 | $34 | |
J1030 |
Injection, methylprednisolone acetate, 40 mg | 3,304 | 355 | $8 | |
20550 |
Injection into tendon or ligament | 1,689 | 257 | $39 | |
J9250 |
Methotrexate sodium, 5 mg | 1,584 | 38 | $0 | |
20610 |
Aspiration and/or injection of fluid from large joint | 987 | 247 | $62 | |
96415 |
Administration of chemotherapy into vein, each additional hour | 481 | 31 | $30 |
In context: peer comparison
Among 1 peers in Worcester Specialist, average services per provider: 5,849. This provider delivers 20× the peer median.Open Payments
Industry payments received
All-time total
$3,522
Transactions
124
Manufacturers
14
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Amgen INC. | 30 | $709.68 | |
| Ucb, INC. | 16 | $547.86 | |
| Abbvie INC. | 22 | $516.26 | |
| Lilly USA, LLC | 12 | $415.10 | |
| GlaxoSmithKline, LLC. | 13 | $408.28 | |
| Pfizer INC. | 10 | $263.68 | |
| Actelion Pharmaceuticals US, INC. | 3 | $154.81 | |
| E.R. Squibb & Sons, L.L.C. | 4 | $110.67 | |
| Janssen Biotech, INC. | 1 | $99.00 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 3 | $72.67 | |
| Radius Health, INC. | 2 | $64.18 | |
| AstraZeneca Pharmaceuticals Lp | 3 | $63.84 | |
| Genentech USA, INC. | 3 | $56.63 | |
| Novartis Pharmaceuticals Corporation | 2 | $39.57 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,045
Patients
221
Total drug cost
$128,157
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 187 | 34 | $3,315 |
| Methotrexate (Methotrexate Sodium) | Brand | 151 | 50 | $7,750 |
| Gabapentin | Generic | 117 | 26 | $2,229 |
| Prednisone | Generic | 105 | 35 | $651 |
| Tramadol Hcl | Generic | 100 | 16 | $1,083 |
| Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) | Brand | 98 | 18 | $1,581 |
| Oxycodone Hcl | Generic | 57 | 0 | $935 |
| Meloxicam | Generic | 41 | 14 | $261 |
| Allopurinol | Generic | 40 | 14 | $771 |
| Morphine Sulfate ER (Morphine Sulfate) | Brand | 31 | 0 | $518 |
Hospital affiliations
Frequently asked questions
What is Dr. Charles Birbara's medical specialty?
Dr. Charles Birbara practices Specialist in Worcester, MA.
Where does Dr. Charles Birbara practice?
Dr. Charles Birbara practices at 25 Oak Ave, Worcester, MA 016052751. Office phone: 5087992674.
What is Dr. Charles Birbara's NPI?
Dr. Charles Birbara's National Provider Identifier (NPI) is 1093705410, issued by NPPES.
Does Dr. Charles Birbara accept Medicare assignment?
Yes. Dr. Charles Birbara accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Charles Birbara commonly perform?
Top Medicare-reported procedures in 2023: Injection, tocilizumab, 1 mg (HCPCS J3262); Hyaluronan or derivative, gelsyn-3, for intra-articular injection, 0.1 mg (HCPCS J7328); Injection, denosumab, 1 mg (HCPCS J0897). Source: CMS Medicare Physician & Other Practitioners file.