Doctor profile · Federal record

Dr. Diana Cirstea, M.D.

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Boston, MA

  • NPI 1780013649
  • Accepts Medicare
  • 26 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
55 Fruit St
Boston, MA 021142621
(617) 724-4000
Additional location
450 Brookline Ave
Boston, MA 02215
(617) 632-3000
Mailing address
450 Brookline Ave
Boston, MA 022155450

Credentials & registration

NPPES · NUCC
NPI registered
November 2013 — 13 yrs on file
Profile last updated
July 18, 2022
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
Massachusetts #281162

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1780013649. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
509
Distinct HCPCS
6
Medicare allowed
$50,298
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 246 77 $104
99213 Established patient office or other outpatient visit, 20-29 minutes 124 63 $71
99214 Established patient office or other outpatient visit, 30-39 minutes 50 32 $99
99215 Established patient office or other outpatient visit, 40-54 minutes 37 26 $153
99213 Established patient office or other outpatient visit, 20-29 minutes 30 27 $67
99215 Established patient office or other outpatient visit, 40-54 minutes 22 12 $145

In context: peer comparison

Among 64 peers in Boston Hematology & Oncology Physician, average services per provider: 129. This provider delivers 3.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$63
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Janssen Biotech, INC. 1 $62.99

By nature of payment

Food and Beverage
$63

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
405
Patients
97
Total drug cost
$750,009
Drug Type Claims Patients Total cost
Acyclovir Generic 100 33 $2,280
Dexamethasone Generic 55 23 $1,088
Omeprazole Generic 38 17 $800
Venclexta (Venetoclax) Brand 31 0 $487,936
Eliquis (Apixaban) Brand 30 0 $21,109
Diclofenac Sodium Generic 29 0 $1,316
Gabapentin Generic 29 12 $293
Allopurinol Generic 21 12 $309
Ninlaro (Ixazomib Citrate) Brand 20 0 $232,897
Furosemide Generic 16 0 $61

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Diana Cirstea's medical specialty?
Dr. Diana Cirstea practices Hematology & Oncology Physician in Boston, MA.
Where does Dr. Diana Cirstea practice?
Dr. Diana Cirstea practices at 55 Fruit St, Boston, MA 021142621. Office phone: 6177244000.
What is Dr. Diana Cirstea's NPI?
Dr. Diana Cirstea's National Provider Identifier (NPI) is 1780013649, issued by NPPES.
Does Dr. Diana Cirstea accept Medicare assignment?
Yes. Dr. Diana Cirstea accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Diana Cirstea 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 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.