NPI registry status
Active
2026 NPPES data Hematology & Oncology Physician NPI 1295755635 MD
Verify on CMS → Astrid Andreescu, MD
Hematology & Oncology Physician in Brewer, Maine.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 11,215 in Hematology & Oncology Physician, and covers specialty classification, practice address, and Medicare Part D prescribing data when reported. According to CMS, every field reflects the provider's official federal registration, see our methodology.
Federal data, no proprietary rating.
We show these CMS records as-is - no composite score, no star rating, no editorial opinion layered on top.
Prescribing volume
403
Medicare Part D claims · 87 beneficiaries · Hematology & Oncology Physician avg: 847
Generic prescribing
55%
generic claims · 45% brand-name · higher generic rates reduce patient out-of-pocket costs
Source: CMS Medicare Part D Prescriber Public Use File, 2023
Compiled from official public sources by the PlainDoctor editorial team.
What the federal data shows
Astrid Andreescu, MD filed 403 Medicare Part D claims in 2023 as a Hematology & Oncology Physician in Brewer, Maine, prescribing 55% generic.
- 403
- Part D claims, 2023
- 55%
- generic prescribing
- Likely
- board-certified (heuristic)
Every figure on this page comes straight from federal CMS records (NPPES, Medicare Part D, MIPS, Open Payments) - no proprietary rating or editorial opinion is applied.
Astrid Andreescu, MD's Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2023, across all CMS prescribers nationally
403 Top 38% higher than 62% of 1,370,886 prescribers
Each bar is a band; taller bars hold more prescribers. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source CMS Medicare Part D Prescriber Public Use File · 2023
✓
Board certification likely (heuristic, not verified)
Astrid Andreescu, MD practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + 1 hospital affiliation - signals consistent with board-certified status. For verified board certification, see CertificationMatters.org (the official ABMS public lookup).
What does the federal data show about Astrid Andreescu, MD?
Quality data not reportedPrimary specialty
Hematology & Oncology Physician
Medicare Part D claims
403 52% vs specialty avg
Specialty distribution in Maine
How Hematology & Oncology Physician compares to other specialties among Maine providers
Board certification
Not published by CMS
CMS does not publish a per-provider board-certification field in NPPES. PlainDoctor does not have a reliable per-specialty certification rate to show for Hematology & Oncology Physician. Verify directly:
How MIPS and board certification work
The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.
Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).
Astrid Andreescu, MD appears in the CMS NPPES registry as a Hematology & Oncology Physician provider holding MD credentials at 33 WHITING HILL RD STE 21, Brewer, ME, 04412, with a listed phone of (207) 973-7478. NPI 1295755635 was issued on 07/20/2006.
Medicare Part D records for calendar year 2023 show 403 prescription claims written by this provider, covering 87 Medicare beneficiaries and totaling roughly $2.5 million in drug spend, split 45% brand-name and 55% generic by claim count.
Hematology & Oncology Physician is a mid-sized specialty nationwide, with 11,215 enrolled providers across 54 states and an average of 847 Part D claims per prescriber, so the context for interpreting these metrics differs meaningfully from a primary-care baseline.
Important: PlainDoctor is a directory of publicly available government data, not medical advice, a malpractice database, or a quality rating. Inclusion here does not imply a recommendation, and absence of complaints or sanctions on this page does not mean none exist, always verify credentials through the NPPES NPI Registry, your state medical board, and the ABMS or AOA before making healthcare decisions.
Practice Address
Provider Details
| NPI | 1295755635 |
|---|---|
| Specialty | Hematology & Oncology Physician |
| Credentials | MD |
| Gender | Female |
| NPI Issued | 07/20/2006 |
Hospital and facility affiliations
Facilities where Astrid Andreescu, MD bills Medicare from. Star ratings (1-5) are CMS Hospital Compare's "Hospital overall rating" - a composite of mortality, readmission, patient experience, safety, timely care, and efficient use of medical imaging measures. Source: CMS Care Compare.
Eastern Maine Medical Center
Bangor, ME
Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).
Brand vs generic prescribing mix · Above average
Astrid Andreescu, MD - brand share 45.0%
Hematology & Oncology Physician average
45% brand-name claims vs 55% generic, on 403 2023 Medicare Part D claims.
The federal Medicare Part D Generic Dispensing Rate national benchmark sits near 90% generic / 10% brand for primary-care prescribers, per CMS Office of the Actuary 2024 estimates. Higher brand share is common in specialty prescribing where generic equivalents are not available.
Medicare Part D Prescribing Data
CMS Medicare Part D prescriber-level data for calendar year 2023.
403
Total Claims
$2.5M
Total Drug Cost
87
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 554
- Total Day Supply
- 15,941
- Brand vs Generic
- 45% brand / 55% generic
- Brand Drug Cost
- $2.4M
- Generic Drug Cost
- $175K
Patient Demographics
- Average Patient Age
- 72.2 years
- Avg HCC Risk Score
- 2.48
- Gender Split
- 70% female / 30% male
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
What Astrid Andreescu, MD prescribes most
Top Medicare Part D drugs by claim count, 2023
- Imbruvica
Imbruvica
39 claims
- Revlimid
Revlimid
26 claims
- Eliquis
Eliquis
19 claims
- Jakafi
Jakafi
18 claims
- Hydroxyurea
Hydroxyurea
17 claims
- Potassium Chloride
Potassium Chloride
17 claims
- Dexamethasone
Dexamethasone
16 claims
- Exemestane 15
Exemestane
15 claims
| Drug | Claims |
|---|---|
| Imbruvica Ibrutinib | 39 |
| Revlimid Lenalidomide | 26 |
| Eliquis Apixaban | 19 |
| Jakafi Ruxolitinib Phosphate | 18 |
| Hydroxyurea | 17 |
| Potassium Chloride | 17 |
| Dexamethasone | 16 |
| Exemestane | 15 |
| Ibrance Palbociclib | 14 |
| Anastrozole | 11 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Hematology & Oncology Physician Overview
How Astrid Andreescu, MD fits within the Hematology & Oncology Physician landscape nationally.
11,215
Hematology & Oncology Physician Providers in US
54
States with Hematology & Oncology Physician
847
Avg Claims per Provider
Astrid Andreescu, MD's 403 claims are below the specialty average of 847.
Nearby Hematology & Oncology Physician Providers in Maine
Other clinicians with the same primary specialty enrolled in Maine, drawn from the same CMS NPPES roster as Andreescu.
Dr. Erin Adler
D.O.
Augusta, ME
Dr. Frederick Aronson
MD
Scarborough, ME
Dr. Chiara Battelli
MD
Westbrook, ME
Dr. George Batty
MD
Sanford, ME
Dr. David Benton
MD
Topsham, ME
Compare Hematology & Oncology Physician nationally: see state-by-state distribution →
Before you book an appointment
Use this federal record as your verification checklist, not as a recommendation.
- Confirm the NPI record is current in the official CMS registry, providers update their own NPPES details, and moves can lag. Verify this NPI
- Check the active license and any disciplinary history with the Maine medical board, federal registration is not a license check. Credential verification guide
- Weigh a second option: compare this provider with a nearby Hematology & Oncology Physician peer on Medicare volume and prescribing patterns. Compare providers
Medicare Part D and MIPS figures describe practice patterns in federal programs only, they are not quality ratings, and PlainDoctor does not rate, rank, or recommend providers.
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Frequently Asked Questions
What is Astrid Andreescu, MD's specialty? ▼
Astrid Andreescu, MD specializes in Hematology & Oncology Physician and practices in Brewer, Maine. Credentials: MD.
How much does Astrid Andreescu, MD prescribe under Medicare Part D? ▼
In 2023, Astrid Andreescu, MD wrote 403 Medicare Part D claims totaling $2.5M in drug costs for 87 beneficiaries.
Where is Astrid Andreescu, MD located? ▼
Astrid Andreescu, MD is located at 33 WHITING HILL RD STE 21, Brewer, ME, 04412. Phone: (207) 973-7478.
What is Astrid Andreescu, MD's NPI number? ▼
Astrid Andreescu, MD's National Provider Identifier (NPI) is 1295755635, issued on 07/20/2006.
Does Astrid Andreescu, MD prescribe more brand-name or generic drugs? ▼
Astrid Andreescu, MD's prescribing is 45% brand-name and 55% generic drugs by claim count, with $2.4M in brand drug costs.
How many Hematology & Oncology Physician providers are there in the US? ▼
There are 11,215 Hematology & Oncology Physician providers across 54 states in the US. The average Hematology & Oncology Physician provider writes 847 Medicare Part D claims per year.
What drugs does Astrid Andreescu, MD prescribe most often? ▼
Based on 2023 Medicare Part D data, Astrid Andreescu, MD's most frequently prescribed drugs include Imbruvica, Revlimid, Eliquis. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Astrid Andreescu, MD accept Medicare? ▼
Astrid Andreescu, MD appears in CMS Medicare data with 403 Part D claims and 87 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Astrid Andreescu, MD's credentials? ▼
Astrid Andreescu, MD's NPI is 1295755635 with credentials MD. You can verify this through the NPPES NPI Registry, check state medical board records, and confirm board certification through the ABMS or AOA.
Data Sources
View source datasets and methodology notes
- Provider Directory
- CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
- Specialty Classification
- NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
- Prescribing Data
- CMS Medicare Part D Prescriber Public Use File (2023). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
- Limitations
- Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.
See our complete data methodology for details on how we collect and process government data.
Data as of April 2026 (NPPES) / 2023 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).
Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology
Compiled from official public sources by the PlainDoctor editorial team.