Doctor profile · Federal record
Dr. Olga Kozyreva, M.D.
Hematology (Internal Medicine) Physician (CMS: Hematology) · Internal Medicine Physician · Medical Oncology Physician · Boston, MA
- NPI 1487758348
- Accepts Medicare
- 33 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
736 Cambrige Street
Boston, MA 02135
(617) 789-2903
fax (617) 789-2064
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- February 13, 2019
- Year of graduation
- 1993 — 33 yrs since
- Specialty taxonomy
- 207RH0000X — NUCC code
- State license (1)
- Massachusetts #230270
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1487758348. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
931
Distinct HCPCS
5
Medicare allowed
$85,184
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 530 | 229 | $70 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 295 | 129 | $104 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 48 | 38 | $149 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 42 | 42 | $189 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 16 | 16 | $142 |
In context: peer comparison
Among 26 peers in Boston Hematology (Internal Medicine) Physician, average services per provider: 95. This provider delivers 9.8× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
314
Patients
78
Total drug cost
$313,689
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisone | Generic | 43 | 11 | $151 |
| Gabapentin | Generic | 29 | 0 | $410 |
| Eliquis (Apixaban) | Brand | 28 | 0 | $25,887 |
| Oxycodone Hcl | Generic | 26 | 15 | $192 |
| Abiraterone Acetate | Generic | 24 | 0 | $50,441 |
| Bicalutamide | Generic | 20 | 0 | $486 |
| Prochlorperazine Maleate | Generic | 19 | 15 | $215 |
| Dexamethasone | Generic | 17 | 12 | $179 |
| Ondansetron Hcl | Generic | 17 | 14 | $72 |
| Mirtazapine | Generic | 16 | 0 | $504 |
Hospital affiliations
Frequently asked questions
What is Dr. Olga Kozyreva's medical specialty?
Dr. Olga Kozyreva practices Hematology (Internal Medicine) Physician in Boston, MA.
Where does Dr. Olga Kozyreva practice?
Dr. Olga Kozyreva practices at 736 Cambrige Street, Boston, MA 02135. Office phone: 6177892903.
What is Dr. Olga Kozyreva's NPI?
Dr. Olga Kozyreva's National Provider Identifier (NPI) is 1487758348, issued by NPPES.
Does Dr. Olga Kozyreva accept Medicare assignment?
Yes. Dr. Olga Kozyreva accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Olga Kozyreva commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.