NPI registry status
Active
2026 NPPES data Hospitalist Physician NPI 1801039599 D.O.
Verify on CMS → Karolina Weiss, D.O.
Hospitalist Physician in Bronxville, New York.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 16,938 in Hospitalist 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
159
Medicare Part D claims · 63 beneficiaries · Hospitalist Physician avg: 888
Generic prescribing
82%
generic claims · 18% brand-name · higher generic rates reduce patient out-of-pocket costs
MIPS score
100/100
▲ 17 pts above national avg 83.5 · Exceptional
Industry payments
$29.2
1 payments · CMS Open Payments (Sunshine Act)
Source: CMS Medicare Part D Prescriber Public Use File, 2023
What the federal data shows
Karolina Weiss, D.O. reported a CMS MIPS final score of 100/100 - above the 83.5 national average - and filed 159 Medicare Part D claims in 2023.
- 100/100
- MIPS score · +17 vs avg
- 159
- Part D claims, 2023
- 82%
- 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.
Karolina Weiss, D.O.'s MIPS score vs every measured U.S. clinician
CMS Merit-based Incentive Payment System (MIPS) final score, 2023, the federal quality measure. Clinicians whose score CMS assigned without scoring any category are excluded.
100 ≥ 92nd percentile 92% of 454,083 measured providers are in lower value bands
Each bar is a band; taller bars hold more measured providers. 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.
The percentile is a conservative whole-score-point band: it counts only measured clinicians in lower score bands. A CMS MIPS metric is not a recommendation or a clinical-quality rating by PlainDoctor. See methodology § corpus placement.
Source CMS Merit-based Incentive Payment System (MIPS) · 2023
Where Karolina Weiss, D.O. sits
This provider among hospitalist physician peers
Across the 4,317 hospitalist physician providers who report both Medicare Part D prescribing and a MIPS quality score, Karolina Weiss, D.O. writes more Part D claims than 34% of them and scores higher on MIPS quality than 95% - placing this provider in the lower-volume, high-quality quadrant. Volume reflects patient-panel size and specialty, not quality; the two axes are independent.
Each dot is one hospitalist physician peer from a representative sample of 60; the gold marker is Karolina Weiss, D.O.. Source: CMS Medicare Part D Prescriber data and the CMS Merit-based Incentive Payment System, 2023.
✓
Board certification likely (heuristic, not verified)
Karolina Weiss, D.O. practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + MIPS quality reporting + 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 Karolina Weiss, D.O.?
High performer (top quartile)Primary specialty
Hospitalist Physician
Medicare Part D claims
159 82% vs specialty avg
MIPS final score
100/100 16.5 pts vs avg
Specialty distribution in New York
How Hospitalist Physician compares to other specialties among New York providers
Medicare quality performance, MIPS
Karolina Weiss, D.O.'s 2023 MIPS final score plotted against the Hospitalist Physician national average
- MIPS Final Score
- 100/100
- vs 83.5 national avg · 2023 performance year
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).
Karolina Weiss, D.O. appears in the CMS NPPES registry as a Hospitalist Physician provider holding D.O. credentials at 55 PALMER AVE, Bronxville, NY, 10708, with a listed phone of (914) 787-1000. NPI 1801039599 was issued on 04/11/2009.
Medicare Part D records for calendar year 2023 show 159 prescription claims written by this provider, covering 63 Medicare beneficiaries and totaling roughly $17K in drug spend, split 18% brand-name and 82% generic by claim count. On the CMS Merit-based Incentive Payment System, this provider earned a Final Score of 100/100 for the 2023 performance year (Quality 86.8), compared with the 83.5 average among clinicians with a measured score.
Hospitalist Physician is a mid-sized specialty nationwide, with 16,938 enrolled providers across 54 states and an average of 888 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 | 1801039599 |
|---|---|
| Specialty | Hospitalist Physician |
| Credentials | D.O. |
| Gender | Female |
| NPI Issued | 04/11/2009 |
CMS Quality Score (MIPS)
Merit-based Incentive Payment System (MIPS) scores from CMS, 2023 performance year.
100
Final Score
Measured-score avg: 83.5
86.8066
Quality
100
Promoting Interoperability
Reporting: Alternative Payment Model
Hospital and facility affiliations
Facilities where Karolina Weiss, D.O. 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.
Lawrence Medical Associates PC
Bronxville, NY
Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).
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 Karolina Weiss, D.O.. Source: openpaymentsdata.cms.gov.
Total received
$29
Largest payer
ABBVIE INC.
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 - New York NYSBPMC 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 ~100K New York medical licensees in 2023 - they are NOT specific to Karolina Weiss, D.O.. To verify Karolina Weiss, D.O.'s current license status, search the NYSBPMC public license lookup directly, or check the Federation of State Medical Boards (FSMB) verification service.
312
Total board actions, New York 2023
Across 302 cases
3.12
Actions per 1,000 licensees
New York statewide rate
probation
Most common action type
89 cases
NYSBPMC 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 New York disciplinary trends page. Cross-checked against FSMB U.S. Medical Regulatory Trends.
Brand vs generic prescribing mix · Typical
Karolina Weiss, D.O. - brand share 18.0%
Hospitalist Physician average
18% brand-name claims vs 82% generic, on 159 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.
159
Total Claims
$17K
Total Drug Cost
63
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 247
- Total Day Supply
- 6,172
- Brand vs Generic
- 18% brand / 82% generic
- Brand Drug Cost
- $14K
- Generic Drug Cost
- $3K
- Antibiotic Claims
- 23
Patient Demographics
- Average Patient Age
- 78.1 years
- Avg HCC Risk Score
- 2.38
- Gender Split
- 57% female / 43% male
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
| Drug | Claims |
|---|---|
| Furosemide | 13 |
| Prednisone | 12 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Hospitalist Physician Overview
How Karolina Weiss, D.O. fits within the Hospitalist Physician landscape nationally.
16,938
Hospitalist Physician Providers in US
54
States with Hospitalist Physician
888
Avg Claims per Provider
Karolina Weiss, D.O.'s 159 claims are below the specialty average of 888.
Nearby Hospitalist Physician Providers in New York
Other clinicians with the same primary specialty enrolled in New York, drawn from the same CMS NPPES roster as Weiss.
Dr. Farrukh Abbas
MD
Rochester, NY
Dr. Hassan Abbas
M.D.
Rochester, NY
Dr. Suhail Abbasi
MD,FACP,FHM,FRCP
Batavia, NY
Fatmaalzahraa Abdelqader
New York, NY
Dr. Abdullah Abdullah
MD
Rochester, NY
Compare Hospitalist 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 New York medical board, federal registration is not a license check. Credential verification guide
- Weigh a second option: compare this provider with a nearby Hospitalist 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 Karolina Weiss, D.O.'s specialty? ▼
Karolina Weiss, D.O. specializes in Hospitalist Physician and practices in Bronxville, New York. Credentials: D.O..
How much does Karolina Weiss, D.O. prescribe under Medicare Part D? ▼
In 2023, Karolina Weiss, D.O. wrote 159 Medicare Part D claims totaling $17K in drug costs for 63 beneficiaries.
What is Karolina Weiss, D.O.'s Medicare quality score? ▼
Karolina Weiss, D.O. has a CMS MIPS Final Score of 100/100 (Quality: 86.8). The average MIPS Final Score across the 454,083 clinicians with at least one published category score is 83.5; clinicians whose score CMS assigned without scoring any category are excluded from that average. Source: CMS Merit-based Incentive Payment System (MIPS) 2023.
Where is Karolina Weiss, D.O. located? ▼
Karolina Weiss, D.O. is located at 55 PALMER AVE, Bronxville, NY, 10708. Phone: (914) 787-1000.
What is Karolina Weiss, D.O.'s NPI number? ▼
Karolina Weiss, D.O.'s National Provider Identifier (NPI) is 1801039599, issued on 04/11/2009.
Does Karolina Weiss, D.O. prescribe more brand-name or generic drugs? ▼
Karolina Weiss, D.O.'s prescribing is 18% brand-name and 82% generic drugs by claim count, with $14K in brand drug costs.
How many Hospitalist Physician providers are there in the US? ▼
There are 16,938 Hospitalist Physician providers across 54 states in the US. The average Hospitalist Physician provider writes 888 Medicare Part D claims per year.
What drugs does Karolina Weiss, D.O. prescribe most often? ▼
Based on 2023 Medicare Part D data, Karolina Weiss, D.O.'s most frequently prescribed drugs include Furosemide, Prednisone. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Karolina Weiss, D.O. accept Medicare? ▼
Karolina Weiss, D.O. appears in CMS Medicare data with 159 Part D claims and 63 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Karolina Weiss, D.O.'s credentials? ▼
Karolina Weiss, D.O.'s NPI is 1801039599 with credentials D.O.. 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.
- 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
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.