Diana Cirstea, M.D.
NPI 1780013649 · Hematology & Oncology Physician · Boston, MA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diana Cirstea, M.D. is a Hematology & Oncology Physician provider in Boston, MA (NPI 1780013649).
Provider details
- NPI number
- 1780013649
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 281162 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
12 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
619 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 222 | $106 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 136 | $158 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 78 | $108 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 59 | $130 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 47 | $75 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Acyclovir | 121 | 42 |
| Omeprazole | 65 | 23 |
| Dexamethasone | 41 | 23 |
| Gabapentin | 36 | 13 |
| Apixabanbrand: Eliquis | 22 | — |
| Oxycodone Hcl | 20 | 13 |
| Entecavir | 19 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$63 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 450 Brookline AveBoston, MA 02215Phone: (617) 632-3000
Registry dates
- Enumerated
- 2013-11-01
- Last updated
- 2022-07-18
- Certified
- 2022-07-18
Frequently asked questions
- What is Diana Cirstea's NPI number?
- Diana Cirstea's National Provider Identifier (NPI) is 1780013649, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diana Cirstea's specialty?
- Diana Cirstea is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Diana Cirstea located?
- Diana Cirstea's practice location on file with NPPES is 55 Fruit St, Boston, MA 02114-2621.
- What is Diana Cirstea's phone number?
- The practice phone number listed in the NPPES registry for Diana Cirstea is (617) 724-4000.
- Does Diana Cirstea accept Medicare?
- Diana Cirstea is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diana Cirstea's NPI active?
- Yes — Diana Cirstea's NPI (1780013649) is active in the NPPES registry as of the last update on 2022-07-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.