Doctor profile · Federal record
Dr. Doreen Brettler, M.D.
Hematology & Oncology Physician (CMS: Hematology/Oncology) · Worcester, MA
- NPI 1710960398
- Accepts Medicare
- MIPS 89.0 / 100 · 2023
- 53 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
55 Lake Ave N
Worcester, MA 016550002
(508) 334-3550
fax (774) 442-9130 - Mailing address
-
Po Box 415348
Boston, MA 022415348
Credentials & registration
- NPI registered
- November 2005 — 21 yrs on file
- Profile last updated
- March 20, 2023
- Year of graduation
- 1973 — 53 yrs since
- Specialty taxonomy
- 207RH0003X — NUCC code
- State license (1)
- Massachusetts #40852
- Medicaid
- MA #110037432A
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1710960398. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
621
Distinct HCPCS
4
Medicare allowed
$74,468
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 368 | 216 | $99 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 213 | 118 | $146 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 29 | 29 | $181 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 11 | 11 | $136 |
In context: peer comparison
Among 15 peers in this city , average services per provider: 699. This provider delivers 0.9× the peer median.Open Payments
Industry payments received
All-time total
$114
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| CSL Behring | 1 | $113.91 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
310
Patients
32
Total drug cost
$1,592,362
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydroxyurea | Generic | 68 | 20 | $1,971 |
| Jakafi (Ruxolitinib Phosphate) | Brand | 43 | 0 | $645,765 |
| Prednisone | Generic | 41 | 12 | $282 |
| Imatinib Mesylate | Generic | 26 | 0 | $22,228 |
| Imbruvica (Ibrutinib) | Brand | 23 | 0 | $253,852 |
| Revlimid (Lenalidomide) | Brand | 21 | 0 | $318,401 |
| Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) | Brand | 18 | 0 | $83 |
| Doptelet (Avatrombopag Maleate) | Brand | 16 | 0 | $228,050 |
| Allopurinol | Generic | 14 | 0 | $182 |
| Lenalidomide | Generic | 14 | 0 | $120,683 |
Hospital affiliations
Frequently asked questions
What is Dr. Doreen Brettler's medical specialty?
Dr. Doreen Brettler practices Hematology & Oncology Physician in Worcester, MA.
Where does Dr. Doreen Brettler practice?
Dr. Doreen Brettler practices at 55 Lake Ave N, Worcester, MA 016550002. Office phone: 5083343550.
What is Dr. Doreen Brettler's NPI?
Dr. Doreen Brettler's National Provider Identifier (NPI) is 1710960398, issued by NPPES.
Does Dr. Doreen Brettler accept Medicare assignment?
Yes. Dr. Doreen Brettler accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Doreen Brettler 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); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.