NPI registry status
Active
2026 NPPES data Medical Oncology Physician NPI 1134233224 M.D.
Verify on CMS → James Abbruzzese, M.D.
Medical Oncology Physician in Houston, Texas.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 3,792 in Medical 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
383
Medicare Part D claims · 66 beneficiaries · Medical Oncology Physician avg: 689
Industry payments
$61.15
3 payments · CMS Open Payments (Sunshine Act)
Compiled from official public sources by the PlainDoctor editorial team.
What the federal data shows
James Abbruzzese, M.D. filed 383 Medicare Part D claims in 2023 as a Medical Oncology Physician in Houston, Texas.
- 383
- Part D claims, 2023
- $61.15
- industry payments (Sunshine Act)
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.
James Abbruzzese, M.D.'s Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2023, across all CMS prescribers nationally
383 Top 43% higher than 57% 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-eligible specialty (heuristic, not verified)
James Abbruzzese, M.D. practices in an ABMS-board-eligible specialty but we don't have enough CMS-participation signals to confirm active board-certified status. Consult CertificationMatters.org (the official ABMS public lookup).
What does the federal data show about James Abbruzzese, M.D.?
Quality data not reportedPrimary specialty
Medical Oncology Physician
Medicare Part D claims
383 44% vs specialty avg
Specialty distribution in Texas
How Medical Oncology Physician compares to other specialties among Texas 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 Medical 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).
James Abbruzzese, M.D. appears in the CMS NPPES registry as a Medical Oncology Physician provider holding M.D. credentials at 1515 HOLCOMBE BLVD, Houston, TX, 77030, with a listed phone of (713) 792-6161. NPI 1134233224 was issued on 08/18/2006.
Medicare Part D records for calendar year 2023 show 383 prescription claims written by this provider, covering 66 Medicare beneficiaries and totaling roughly $51K in drug spend, with an opioid prescribing rate of 10.2%.
Medical Oncology Physician is a narrow specialty nationwide, with 3,792 enrolled providers across 53 states and an average of 689 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 | 1134233224 |
|---|---|
| Specialty | Medical Oncology Physician |
| Credentials | M.D. |
| Gender | Male |
| NPI Issued | 08/18/2006 |
Industry payments received (2024) - CMS Open Payments transparency data
The federal Physician Payments Sunshine Act (part of the Affordable Care Act) requires drug and medical-device manufacturers + group purchasing organizations to publicly report payments and other transfers of value to physicians and teaching hospitals. The data below covers 2024 for James Abbruzzese, M.D.. Source: openpaymentsdata.cms.gov.
Total received
$61
Largest payer
Baxter Healthcare
Most common payment type
Food and Beverage
Industry payments are not necessarily indicators of bias, they include research funding, consulting fees for evidence-based work, royalties for inventions, food at conferences, and similar items. The disclosure exists for transparency. Read our methodology for how we interpret this data.
License & disciplinary context - Texas TMB 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 ~77K Texas medical licensees in 2023 - they are NOT specific to James Abbruzzese, M.D.. To verify James Abbruzzese, M.D.'s current license status, search the TMB public license lookup directly, or check the Federation of State Medical Boards (FSMB) verification service.
344
Total board actions, Texas 2023
Across 334 cases
4.47
Actions per 1,000 licensees
Texas statewide rate
probation
Most common action type
94 cases
TMB 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 Texas disciplinary trends page. Cross-checked against FSMB U.S. Medical Regulatory Trends.
Medicare Part D Prescribing Data
CMS Medicare Part D prescriber-level data for calendar year 2023.
383
Total Claims
$51K
Total Drug Cost
66
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 419
- Total Day Supply
- 9,763
- Generic Drug Cost
- $7K
- Opioid Claims
- 39 (10.2% rate)
Patient Demographics
- Average Patient Age
- 73.0 years
- Avg HCC Risk Score
- 1.82
- Gender Split
- 47% female / 53% male
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
What James Abbruzzese, M.D. prescribes most
Top Medicare Part D drugs by claim count, 2023
- Ondansetron Hcl
Ondansetron Hcl
72 claims
- Prochlorperazine M…
Prochlorperazine Maleate
62 claims
- Dexamethasone 26
Dexamethasone
26 claims
- Eliquis 25
Eliquis
25 claims
- Oxycodone Hcl 22
Oxycodone Hcl
22 claims
- Lidocaine-Prilocaine 15
Lidocaine-Prilocaine
15 claims
- Pantoprazole Sodium 15
Pantoprazole Sodium
15 claims
- Olanzapine 14
Olanzapine
14 claims
| Drug | Claims |
|---|---|
| Ondansetron Hcl | 72 |
| Prochlorperazine Maleate | 62 |
| Dexamethasone | 26 |
| Eliquis Apixaban | 25 |
| Oxycodone Hcl | 22 |
| Lidocaine-Prilocaine Lidocaine/Prilocaine | 15 |
| Pantoprazole Sodium | 15 |
| Olanzapine | 14 |
| Tramadol Hcl | 14 |
| Klor-Con M20 Potassium Chloride | 13 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Medical Oncology Physician Overview
How James Abbruzzese, M.D. fits within the Medical Oncology Physician landscape nationally.
3,792
Medical Oncology Physician Providers in US
53
States with Medical Oncology Physician
689
Avg Claims per Provider
James Abbruzzese, M.D.'s 383 claims are below the specialty average of 689.
Nearby Medical Oncology Physician Providers in Texas
Other clinicians with the same primary specialty enrolled in Texas, drawn from the same CMS NPPES roster as Abbruzzese.
Dr. Chinemerem Abanonu
MD
Katy, TX
Dr. Seyed Abedi
M.D.,PH.D.
Cedar Park, TX
Dr. Sausan Abouharb
M.D
Houston, TX
Dr. Fadi Abu-Shahin
MD
Houston, TX
Dr. Prashanth Adapala
M.D.
Marble Falls, TX
Compare Medical 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 Texas medical board, federal registration is not a license check. Credential verification guide
- Weigh a second option: compare this provider with a nearby Medical 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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Understanding Medicare Claims Data
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How insurance networks affect your costs
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Frequently Asked Questions
What is James Abbruzzese, M.D.'s specialty? ▼
James Abbruzzese, M.D. specializes in Medical Oncology Physician and practices in Houston, Texas. Credentials: M.D..
How much does James Abbruzzese, M.D. prescribe under Medicare Part D? ▼
In 2023, James Abbruzzese, M.D. wrote 383 Medicare Part D claims totaling $51K in drug costs for 66 beneficiaries.
Where is James Abbruzzese, M.D. located? ▼
James Abbruzzese, M.D. is located at 1515 HOLCOMBE BLVD, Houston, TX, 77030. Phone: (713) 792-6161.
What is James Abbruzzese, M.D.'s NPI number? ▼
James Abbruzzese, M.D.'s National Provider Identifier (NPI) is 1134233224, issued on 08/18/2006.
Does James Abbruzzese, M.D. prescribe opioids? ▼
Yes, James Abbruzzese, M.D. had 39 opioid claims in 2023 with an opioid prescribing rate of 10.2%.
How many Medical Oncology Physician providers are there in the US? ▼
There are 3,792 Medical Oncology Physician providers across 53 states in the US. The average Medical Oncology Physician provider writes 689 Medicare Part D claims per year.
What drugs does James Abbruzzese, M.D. prescribe most often? ▼
Based on 2023 Medicare Part D data, James Abbruzzese, M.D.'s most frequently prescribed drugs include Ondansetron Hcl, Prochlorperazine Maleate, Dexamethasone. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does James Abbruzzese, M.D. accept Medicare? ▼
James Abbruzzese, M.D. appears in CMS Medicare data with 383 Part D claims and 66 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify James Abbruzzese, M.D.'s credentials? ▼
James Abbruzzese, M.D.'s NPI is 1134233224 with credentials M.D.. 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.