Doctor profile · Federal record
Dr. Elizabeth Brem, MD
Hematology & Oncology Physician (CMS: Internal Medicine) · Internal Medicine Physician · Hematology & Oncology Physician · Orange, CA
- NPI 1578883781
- Accepts Medicare
- MIPS 91.2 / 100 · 2023
- 16 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
101 the City Dr S Bldg 23
Orange, CA 928683201
(714) 456-8000 - Mailing address
-
200 S Manchester Ave Ste 300
Orange, CA 928683219
Credentials & registration
- NPI registered
- June 2010 — 16 yrs on file
- Profile last updated
- April 19, 2023
- Year of graduation
- 2010 — 16 yrs since
- Specialty taxonomy
- 207RH0003X — NUCC code
- State licenses (3)
- California #143521 · Massachusetts #244302 · Massachusetts #253484
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1578883781. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
488
Distinct HCPCS
7
Medicare allowed
$65,272
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 274 | 111 | $154 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 79 | 19 | $127 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 53 | 46 | $105 | |
99451 |
Telephone, internet, or electronic health record assessment and management with written report by consulting physician, at least 5 minutes | 32 | 31 | $38 | |
99442 |
Telephone medical discussion with physician, 11-20 minutes | 19 | 13 | $71 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 16 | 16 | $194 | |
99239 |
Hospital discharge day management, more than 30 minutes | 15 | 14 | $124 |
In context: peer comparison
Among 20 peers in this city , average services per provider: 1,067. This provider delivers 0.5× the peer median.Open Payments
Industry payments received
All-time total
$46,190
Transactions
51
Manufacturers
14
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ADC Therapeutics America, Inc. | 8 | $8,914.62 | |
| Genmab U.S., Inc. | 7 | $7,491.53 | |
| Genentech USA, Inc. | 7 | $5,544.62 | |
| ABBVIE INC. | 4 | $5,251.07 | |
| E.R. Squibb & Sons, L.L.C. | 3 | $4,715.94 | |
| PFIZER INC. | 2 | $4,221.10 | |
| Regeneron Pharmaceuticals, Inc. | 2 | $3,739.50 | |
| AstraZeneca Pharmaceuticals LP | 5 | $3,353.98 | |
| BeiGene USA, Inc. | 3 | $2,055.07 | |
| Celgene Corporation | 2 | $600.00 | |
| Acrotech Biopharma Inc. | 2 | $157.57 | |
| Janssen Biotech, Inc. | 4 | $104.70 | |
| Lilly USA, LLC | 1 | $25.39 | |
| Kite Pharma, Inc. | 1 | $15.29 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
234
Patients
25
Total drug cost
$1,216,444
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Lenalidomide | Generic | 27 | 0 | $366,069 |
| Prednisone | Generic | 22 | 14 | $125 |
| Tramadol Hcl | Generic | 20 | 0 | $203 |
| Gabapentin | Generic | 18 | 0 | $107 |
| Revlimid (Lenalidomide) | Brand | 17 | 0 | $313,072 |
| Acyclovir | Generic | 15 | 0 | $638 |
| Ondansetron Odt (Ondansetron) | Brand | 15 | 11 | $143 |
| Brukinsa (Zanubrutinib) | Brand | 14 | 0 | $190,772 |
| Pomalyst (Pomalidomide) | Brand | 14 | 0 | $328,171 |
| Entecavir | Generic | 13 | 0 | $777 |
Frequently asked questions
What is Dr. Elizabeth Brem's medical specialty?
Dr. Elizabeth Brem practices Hematology & Oncology Physician in Orange, CA.
Where does Dr. Elizabeth Brem practice?
Dr. Elizabeth Brem practices at 101 the City Dr S Bldg 23, Orange, CA 928683201. Office phone: 7144568000.
What is Dr. Elizabeth Brem's NPI?
Dr. Elizabeth Brem's National Provider Identifier (NPI) is 1578883781, issued by NPPES.
Does Dr. Elizabeth Brem accept Medicare assignment?
Yes. Dr. Elizabeth Brem accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Elizabeth Brem commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.