2026 NPPES data Hospitalist Physician NPI 1801039599 D.O.
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KAROLINA WEISS, D.O.

Hospitalist Physician in BRONXVILLE, New York. CMS National Plan and Provider Enumeration System profile including specialty classification, practice address, and Medicare prescribing data when reported.

Federal data — no proprietary rating. PlainDoctor publishes the actual CMS NPPES and Medicare records — NPI registration, specialty, practice location, and prescribing data — without a composite score or editorial opinion on top. Every field traces to a federal source.
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 83.1 · [object Object]
Industry payments
$29.2
1 payments · CMS Open Payments (Sunshine Act)

What the federal data shows

KAROLINA WEISS, D.O. reported a CMS MIPS final score of 100/100 — above the 83.1 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 scored U.S. clinician

CMS Merit-based Incentive Payment System (MIPS) final score, 2023 — the federal quality measure

100 Top 7% higher than 93% of 477,587 scored providers

0–10: 8,684 scored providers (2%). Below this entry. 10–20: 3,008 scored providers (1%). Below this entry. 20–30: 3,069 scored providers (1%). Below this entry. 30–40: 2,746 scored providers (1%). Below this entry. 40–50: 2,928 scored providers (1%). Below this entry. 50–60: 5,882 scored providers (1%). Below this entry. 60–70: 13,906 scored providers (3%). Below this entry. 70–80: 118,074 scored providers (25%). Below this entry. 80–90: 129,887 scored providers (27%). Below this entry. 90–100: 189,403 scored providers (40%). This entry sits in this band. This provider 0 100 every MIPS-scored clinician, bucketed by value

Each bar is a band; taller bars hold more scored 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.

Source CMS Merit-based Incentive Payment System (MIPS) · 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)

NPI registry status

Active

Issued 04/11/2009

NPI 1801039599

Primary specialty

Hospitalist Physician

Mid-sized

16,825 US NPIs in this specialty

Medicare Part D claims

159 82% vs specialty avg

2023 prescription claims

Specialty avg: 888

MIPS final score

100/100 16.900000000000006% pts

Exceptional band

vs 83.1 national avg

Specialty distribution in New York

How Hospitalist Physician compares to other specialties among New York providers

New York providers

Hospitalist Physician share within New York

1. Hospitalist Physician42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Hospitalist Physician share within New York

Medicare quality performance — MIPS

KAROLINA WEISS, D.O.'s 2023 MIPS final score plotted against the Hospitalist Physician national average

High performer (top quartile)
MIPS Final Score
100/100
vs 83.1 national avg · 2023 performance year

MIPS final score (Hospitalist Physician) — 100/100 vs national avg 83.1

0%100%National avg83%99%
MIPS final score (Hospitalist Physician) — 100/100 vs national avg 83.1

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. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what WEISS 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 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. 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 100/100 for the 2023 performance year (Quality 86.8066), compared with the national average of 83.1.

Hospitalist Physician is a mid-sized specialty nationwide, with 16,825 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

55 PALMER AVE
BRONXVILLE, NY 10708

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
Avg: 83.1
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%
Specialty average (est.)

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.

16,825
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.

Compare Hospitalist Physician nationally: see state-by-state distribution →

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: 86.8066). The national average MIPS Final Score is 83.1. 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 16,825 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

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