NPI registry status
Active
2026 NPPES data Medical Oncology Physician NPI 1366423774 MD
Verify on CMS → Rubina Qamar, MD
Medical Oncology Physician in Madison, Wisconsin.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 3,815 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
2K
Medicare Part D claims · 466 beneficiaries · Medical Oncology Physician avg: 689
Generic prescribing
86%
generic claims · 14% 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
Rubina Qamar, MD filed 2,448 Medicare Part D claims in 2023 as a Medical Oncology Physician in Madison, Wisconsin, prescribing 86% generic.
- 2K
- Part D claims, 2023
- 86%
- 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.
Rubina Qamar, MD's Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2023, across all CMS prescribers nationally
2,448 Top 14% higher than 86% 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)
Rubina Qamar, 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 Rubina Qamar, MD?
Quality data not reportedPrimary specialty
Medical Oncology Physician
Medicare Part D claims
2,448 255% vs specialty avg
Specialty distribution in Wisconsin
How Medical Oncology Physician compares to other specialties among Wisconsin 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).
Rubina Qamar, MD appears in the CMS NPPES registry as a Medical Oncology Physician provider holding MD credentials at 600 HIGHLAND AVE, Madison, WI, 53792, with a listed phone of (608) 263-1700. NPI 1366423774 was issued on 11/11/2005.
Medicare Part D records for calendar year 2023 show 2,448 prescription claims written by this provider, covering 466 Medicare beneficiaries and totaling roughly $4.6 million in drug spend, split 14% brand-name and 86% generic by claim count, with an opioid prescribing rate of 1.3%.
Medical Oncology Physician is a narrow specialty nationwide, with 3,815 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 | 1366423774 |
|---|---|
| Specialty | Medical Oncology Physician |
| Credentials | MD |
| Gender | Female |
| NPI Issued | 11/11/2005 |
Hospital and facility affiliations
Facilities where Rubina Qamar, 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.
University OF Wisconsin Medical Foundation Inc
Platteville, WI
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 · Typical
Rubina Qamar, MD - brand share 14.0%
Medical Oncology Physician average
14% brand-name claims vs 86% generic, on 2,448 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.
2,448
Total Claims
$4.6M
Total Drug Cost
466
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 4,753
- Total Day Supply
- 136,923
- Brand vs Generic
- 14% brand / 86% generic
- Brand Drug Cost
- $4.0M
- Generic Drug Cost
- $643K
- Opioid Claims
- 31 (1.3% rate)
- Antibiotic Claims
- 21
Patient Demographics
- Average Patient Age
- 73.3 years
- Avg HCC Risk Score
- 2.17
- Gender Split
- 84% female / 16% male
- Age Distribution
- <65: 44, 65-74: 235, 75-84: 146, 85+: 41
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
What Rubina Qamar, MD prescribes most
Top Medicare Part D drugs by claim count, 2023
- Anastrozole
Anastrozole
955 claims
- Prednisone 206
Prednisone
206 claims
- Abiraterone Acetate 160
Abiraterone Acetate
160 claims
- Tamoxifen Citrate 120
Tamoxifen Citrate
120 claims
- Letrozole 69
Letrozole
69 claims
- Warfarin Sodium 68
Warfarin Sodium
68 claims
- Exemestane 67
Exemestane
67 claims
- Pantoprazole Sodium 58
Pantoprazole Sodium
58 claims
| Drug | Claims |
|---|---|
| Anastrozole | 955 |
| Prednisone | 206 |
| Abiraterone Acetate | 160 |
| Tamoxifen Citrate | 120 |
| Letrozole | 69 |
| Warfarin Sodium | 68 |
| Exemestane | 67 |
| Pantoprazole Sodium | 58 |
| Prochlorperazine Maleate | 58 |
| Ibrance Palbociclib | 49 |
* 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 Rubina Qamar, MD fits within the Medical Oncology Physician landscape nationally.
3,815
Medical Oncology Physician Providers in US
53
States with Medical Oncology Physician
689
Avg Claims per Provider
Rubina Qamar, MD's 2,448 claims are above the specialty average of 689.
Nearby Medical Oncology Physician Providers in Wisconsin
Other clinicians with the same primary specialty enrolled in Wisconsin, drawn from the same CMS NPPES roster as Qamar.
Dr. Kamal Kant Singh Abbi
M.D.
Green Bay, WI
Syed Abutalib
Milwaukee, WI
Dr. Jacob Adashek
DO
Germantown, WI
Dr. Mark Albertini
MD
Madison, WI
Lynn Baatz
Manitowoc, WI
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 Wisconsin 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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Frequently Asked Questions
What is Rubina Qamar, MD's specialty? ▼
Rubina Qamar, MD specializes in Medical Oncology Physician and practices in Madison, Wisconsin. Credentials: MD.
How much does Rubina Qamar, MD prescribe under Medicare Part D? ▼
In 2023, Rubina Qamar, MD wrote 2,448 Medicare Part D claims totaling $4.6M in drug costs for 466 beneficiaries.
Where is Rubina Qamar, MD located? ▼
Rubina Qamar, MD is located at 600 HIGHLAND AVE, Madison, WI, 53792. Phone: (608) 263-1700.
What is Rubina Qamar, MD's NPI number? ▼
Rubina Qamar, MD's National Provider Identifier (NPI) is 1366423774, issued on 11/11/2005.
Does Rubina Qamar, MD prescribe more brand-name or generic drugs? ▼
Rubina Qamar, MD's prescribing is 14% brand-name and 86% generic drugs by claim count, with $4.0M in brand drug costs.
Does Rubina Qamar, MD prescribe opioids? ▼
Yes, Rubina Qamar, MD had 31 opioid claims in 2023 with an opioid prescribing rate of 1.3%.
How many Medical Oncology Physician providers are there in the US? ▼
There are 3,815 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 Rubina Qamar, MD prescribe most often? ▼
Based on 2023 Medicare Part D data, Rubina Qamar, MD's most frequently prescribed drugs include Anastrozole, Prednisone, Abiraterone Acetate. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Rubina Qamar, MD accept Medicare? ▼
Rubina Qamar, MD appears in CMS Medicare data with 2,448 Part D claims and 466 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Rubina Qamar, MD's credentials? ▼
Rubina Qamar, MD's NPI is 1366423774 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 2026.