Doctor profile · Federal record
Dr. Khosrow Mahdavi, MD
Hematology & Oncology Physician (CMS: Internal Medicine) · Hematology (Internal Medicine) Physician · Specialist · Medical Oncology Physician · Costa Mesa, CA
- NPI 1275536773
- Accepts Medicare
- MIPS 91.2 / 100 · 2023
- 57 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1640 Newport Blvd Ste 400
Costa Mesa, CA 926273786
(949) 999-2400 - Additional location
-
520 Superior Ave, #315
Newport Beach, CA 926633637
(949) 642-8566
fax (866) 235-0746 - Mailing address
-
200 S Manchester Ave Ste 300
Orange, CA 928683219
Credentials & registration
- NPI registered
- May 2005 — 21 yrs on file
- Profile last updated
- November 15, 2023
- Year of graduation
- 1969 — 57 yrs since
- Specialty taxonomy
- 207RH0003X — NUCC code
- State license (1)
- California #A33589
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1275536773. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,761
Distinct HCPCS
6
Medicare allowed
$319,372
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 1,182 | 498 | $197 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 408 | 233 | $141 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 51 | 48 | $100 | |
38222 |
Biopsy and aspiration of bone marrow sample for diagnosis | 49 | 46 | $202 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 46 | 46 | $183 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 25 | 25 | $241 |
In context: peer comparison
Among 2 peers in Costa Mesa Hematology & Oncology Physician, average services per provider: 224. This provider delivers 7.9× the peer median.Open Payments
Industry payments received
All-time total
$122
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Amgen INC. | 1 | $121.63 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
453
Patients
48
Total drug cost
$894,533
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Eliquis (Apixaban) | Brand | 102 | 18 | $76,130 |
| Anastrozole | Generic | 58 | 18 | $2,217 |
| Tamoxifen Citrate | Generic | 36 | 12 | $1,345 |
| Bicalutamide | Generic | 31 | 0 | $956 |
| Raloxifene Hcl | Generic | 28 | 0 | $2,978 |
| Xarelto (Rivaroxaban) | Brand | 26 | 0 | $21,353 |
| Letrozole | Generic | 25 | 0 | $865 |
| Potassium Chloride | Generic | 24 | 0 | $3,485 |
| Folic Acid | Generic | 21 | 0 | $72 |
| Imbruvica (Ibrutinib) | Brand | 20 | 0 | $338,277 |
Hospital affiliations
Frequently asked questions
What is Dr. Khosrow Mahdavi's medical specialty?
Dr. Khosrow Mahdavi practices Hematology & Oncology Physician in Costa Mesa, CA.
Where does Dr. Khosrow Mahdavi practice?
Dr. Khosrow Mahdavi practices at 1640 Newport Blvd Ste 400, Costa Mesa, CA 926273786. Office phone: 9499992400.
What is Dr. Khosrow Mahdavi's NPI?
Dr. Khosrow Mahdavi's National Provider Identifier (NPI) is 1275536773, issued by NPPES.
Does Dr. Khosrow Mahdavi accept Medicare assignment?
Yes. Dr. Khosrow Mahdavi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Khosrow Mahdavi commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.