ARTHUR RABINOWITZ, MD
Hematology (Internal Medicine) Physician in BURLINGTON, Massachusetts. CMS National Plan and Provider Enumeration System profile including specialty classification, practice address, and Medicare prescribing data when reported.
What stands out: ARTHUR RABINOWITZ, MD reported a CMS MIPS final score of 91.4157 out of 100, above the 83.1 national average, and filed 59 Medicare Part D claims in 2023. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.
ARTHUR RABINOWITZ, MD practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + MIPS quality reporting — signals consistent with board-certified status. For verified board certification, see CertificationMatters.org (the official ABMS public lookup).
ARTHUR RABINOWITZ, MD at a glance
High performer (top quartile)Primary specialty
Medicare Part D claims
MIPS final score
Specialty distribution in Massachusetts
How Hematology (Internal Medicine) Physician compares to other specialties among Massachusetts providers
Hematology (Internal Medicine) Physician share within Massachusetts
Hematology (Internal Medicine) Physician is one of the more visible NUCC categories in Massachusetts
Each bar reflects the share of in-state providers whose primary NUCC taxonomy matches the specialty. Long tail of ~690 NUCC codes folded into "Other" to keep the comparison legible.
Medicare quality performance — MIPS
ARTHUR RABINOWITZ, MD's 2023 MIPS final score plotted against the Hematology (Internal Medicine) Physician national average
- MIPS Final Score
- 91.4157/100
- vs 83.1 national avg · 2023 performance year
MIPS final score (Hematology (Internal Medicine) Physician) — 91.4157/100 vs national avg 83.1
Quality benchmarks
- National MIPS avg 2023 reporting year
- Quality dim CMS Quality category
- Specialty volume Hematology (Internal Medicine) Physician US NPIs
91.4157/100 MIPS final score — 8.3 pts above the 83.1 national average
Quality, Cost, Promoting Interoperability, and Improvement Activities composite score for the 2023 performance year. Specialty: Hematology (Internal Medicine) Physician. Quality dim: 76.877.
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).
ARTHUR RABINOWITZ, MD is a Hematology (Internal Medicine) Physician provider practicing in BURLINGTON, Massachusetts, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: MD. NPI: 1043308570. This profile includes practice location, specialty classification, and organizational affiliations from the CMS provider registry. Provider information is self-reported to CMS and updated monthly.
ARTHUR RABINOWITZ, MD appears in the CMS NPPES registry as a Hematology (Internal Medicine) Physician provider holding MD credentials at LAHEY CLINIC, BURLINGTON, MA, 01805, with a listed phone of (781) 744-8400. NPI 1043308570 was issued on 10/10/2006. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what RABINOWITZ most recently submitted to CMS rather than a vetted directory listing, which is why patients should always confirm the practice is still at this location before scheduling.
Medicare Part D records for calendar year 2023 show 59 prescription claims written by this provider, covering 30 Medicare beneficiaries and totaling roughly $192K in drug spend, split 24% brand-name and 76% generic by claim count. These figures capture only Medicare Part D — commercial insurance, Medicaid, and cash-pay prescriptions are not included, and any drug-beneficiary cell under 11 is suppressed by CMS for patient privacy. On the CMS Merit-based Incentive Payment System, this provider earned a Final Score of 91.4157/100 for the 2023 performance year (Quality 76.877), compared with the national average of 83.1.
Hematology (Internal Medicine) Physician is a narrow specialty nationwide, with 1,436 enrolled providers across 50 states and an average of 693 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 | 1043308570 |
|---|---|
| Specialty | Hematology (Internal Medicine) Physician |
| Credentials | MD |
| Gender | Male |
| NPI Issued | 10/10/2006 |
Verify this provider's license
PlainDoctor pulls this profile from the CMS NPPES public registry. Confirm ARTHUR RABINOWITZ, MD's current license status, disciplinary history, and board certifications with the Massachusetts Board of Registration in Medicine in Massachusetts before relying on this page for a clinical or care decision.
How we sourced this profile
CMS Quality Score (MIPS)
Merit-based Incentive Payment System (MIPS) scores from CMS, 2023 performance year.
Reporting: Alternative Payment Model
License & disciplinary context — Massachusetts BORIM 2023 annual report
Aggregate state board data only — NOT a determination of any individual provider's status. The figures below describe statewide disciplinary activity across all ~38K Massachusetts medical licensees in 2023 — they are NOT specific to ARTHUR RABINOWITZ, MD. To verify ARTHUR RABINOWITZ, MD's current license status, search the BORIM public license lookup directly, or check the Federation of State Medical Boards (FSMB) verification service.
BORIM publishes annual disciplinary statistics as part of public-record reporting under each state's Administrative Procedure Act. See the full breakdown by action type and year on the Massachusetts disciplinary trends page. Cross-checked against FSMB U.S. Medical Regulatory Trends.
Brand vs generic prescribing mix · Typical
24% brand-name claims vs 76% generic, on 59 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.
Prescribing Breakdown
- 30-Day Fills
- 92
- Total Day Supply
- 2,337
- Brand vs Generic
- 24% brand / 76% generic
- Brand Drug Cost
- $162K
- Generic Drug Cost
- $29K
Patient Demographics
- Average Patient Age
- 76.7 years
- Avg HCC Risk Score
- 2.26
- Gender Split
- 60% female / 40% male
Hematology (Internal Medicine) Physician Overview
How ARTHUR RABINOWITZ, MD fits within the Hematology (Internal Medicine) Physician landscape nationally.
ARTHUR RABINOWITZ, MD's 59 claims are below the specialty average of 693.
Nearby Hematology (Internal Medicine) Physician Providers in Massachusetts
Other clinicians with the same primary specialty enrolled in Massachusetts, drawn from the same CMS NPPES roster as RABINOWITZ.
Compare Hematology (Internal Medicine) Physician nationally: see state-by-state distribution →
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Frequently Asked Questions
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Data Sources
- 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.
- Quality Performance
- CMS Merit-based Incentive Payment System (MIPS) — 2023 performance year.
- 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