Medicare Enrolled

Daniel Karstedt, PA-C

Medical Physician Assistant · Williamsville, NY
Practice pattern: Clinical Cardiology — Primarily office-based clinical cardiology
425 ESSJAY RD, Williamsville, NY 14221
7166301140
Registered in NPPES since 2018
NPI: 1114412905 verify on NPPES ↗
Very High
DATA COVERAGE
Data in 4 of 4 federal sources
Measures public federal data availability — not provider quality
Informational, not a quality rating. This page presents federal public records about Karstedt from CMS (NPPES, Open Payments, Medicare Provider Utilization, PECOS). It is not medical advice, an endorsement, or a judgment of clinical quality. Always consult the provider directly and a licensed clinician for medical decisions. Read methodology →
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What this data tells you about Karstedt

Daniel Karstedt is a medical physician assistant in Williamsville, NY, with 8 years of NPI registration. Based on federal Medicare data, Karstedt performed 1,239 Medicare services in 2023. These records do not provide a deduplicated patient total.

Between the years covered by Open Payments, Karstedt received a total of $1,746 from 17 pharmaceutical and/or device companies across 48 payment records. A record can group multiple payments. These transfers are publicly reported through CMS Open Payments. Disclosure alone does not establish their effect on care. A reliable breakdown by payment category is not available in this snapshot. Patients may wish to discuss these relationships with their provider.

The Data Coverage level for Karstedt is Very High — reflecting how much public federal data is available about this provider. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.

✓ 8 years of NPI registration ▲ Top 7% volume in NY $1,746 industry payments

Medicare Practice Summary — 2023

Medicare Utilization ↗
1,239
Medicare services
Top 7% in NY for medical physician assistant
Not available
Unique patients (not deduplicated)
$29
Avg. Medicare payment
Medicare patients only (65+ / disabled) · How to read this →

Top procedures by volume

Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.

Procedure Volume Avg. paid Avg. submitted
Destruction of precancerous skin growths, 2-14
This procedure involves the removal or destruction of two to fourteen precancerous skin lesions. It is performed to eliminate abnormal skin cells that have the potential to develop into cancer.
525 $4 $13
Office visit, established patient (20-29 min)
An office visit for an existing patient lasting between 20 and 29 minutes. The visit involves medical evaluation and management of the patient's condition.
199 $51 $100
Destruction of precancerous skin growth, 1
Removal of a single precancerous skin growth. This procedure destroys abnormal skin cells to prevent them from developing into cancer.
132 $33 $107
Skin biopsy, tangential
A procedure to remove a sample of the first identified skin growth for laboratory examination.
128 $61 $125
Office visit, established patient (10-19 min)
An office visit for an existing patient lasting 10 to 19 minutes. The visit involves medical evaluation and management of the patient's condition.
112 $33 $61
New patient office visit (30-44 min)
An initial office visit for a new patient lasting between 30 and 44 minutes. This code is used when the total time spent on the date of the encounter falls within this range.
66 $61 $153
Additional skin growth biopsy
Removal of a sample of an additional skin growth for laboratory examination. This code is used for each extra lesion biopsied during the same session.
34 $32 $67
New patient office visit, 15-29 minutes
An initial office visit for a new patient lasting 15 to 29 minutes. This code is used when the total time spent on the date of the encounter meets this duration threshold.
24 $40 $103
Destruction of cancer skin growth, 1.1-2.0 cm
Removal of a cancerous skin growth on the trunk, arms, or legs that measures between 1.1 and 2.0 centimeters.
19 $104 $273
How to read this data: This reflects Medicare patients only (typically 65+). Payment amounts are what Medicare paid the provider, not your out-of-pocket cost. These counts do not measure clinical quality or years of experience.

Industry Payment Transparency

Open Payments through 2023 ↗
$1,746
Total received (2021-2023)
Avg $582/year across 3 years
Top 22% in NY for medical physician assistant
A higher payment rank reflects disclosed industry relationships (consulting, research, speaking) common among subspecialists — not wrongdoing.
17
Companies
48
Payment records
Payments are publicly reported; disclosure does not establish legality · Not evidence of wrongdoing · How to interpret →

Payment categories are unavailable while the source breakdown is being rebuilt. Company and year totals do not identify how much belongs to each category.

Payment trend by year

Annual totals from pharmaceutical and medical device companies.

2023
$187
2022
$1,020
2021
$538

Payments by company (2023)

Lilly USA, LLC
$111
ABBVIE INC.
$52
Abbott Laboratories
$25
Top 3 companies account for 100.0% of 2023 payments
All-time payments by company (2021-2023) ›
AstraZeneca Pharmaceuticals LP
$624
Lilly USA, LLC
$280
ABBVIE INC.
$165
AbbVie Inc.
$125
SANOFI-AVENTIS U.S. LLC
$111
Gilead Sciences, Inc.
$98
Abbott Laboratories
$61
Novo Nordisk Inc
$49
Salix Pharmaceuticals, a division of Bausch Health US, LLC
$38
Bayer HealthCare Pharmaceuticals Inc.
$38
Merck Sharp & Dohme LLC
$35
Edwards Lifesciences Corporation
$31
Biohaven Pharmaceutical Holding Company Ltd.
$22
Kowa Pharmaceuticals America, Inc.
$20
Novartis Pharmaceuticals Corporation
$17
PFIZER INC.
$17
Dexcom, Inc.
$16
Top 3 companies account for 61.2% of all-time payments
Associated products mentioned in payments ›
BREZTRI · Dexcom G6 Transmitter · EDWARDS SAPIEN 3 TRANSCATHETER HEART VALVE (THV) · EMGALITY · ENTRESTO · FARXIGA · FREESTYLE LIBRE 2 · FREESTYLE LIBRE 3 · GARDASIL 9 · Kerendia · Livalo · MOUNJARO · NURTEC ODT · Ozempic · PREVNAR 20 · Proclaim IPG · QULIPTA · Rybelsus · SOLIQUA 100/33 · UBRELVY · VRAYLAR · XIFAXAN
Should you be concerned? Industry payments are disclosed through CMS Open Payments. Disclosure alone does not establish their purpose, legality, or effect on care. What matters is whether a recommended drug or device appears in your doctor's payment records. If so, consider asking your doctor about it. How to interpret this data →
Looking for a medical physician assistant in Williamsville?
Compare medical physician assistants in the Williamsville area by procedure volume, costs, and industry payment transparency.
Browse medical physician assistants nearby

Geographic Context

Medical physician assistants in nearby ZIP areas
284
County median income
$71,175
Nearest hospital to ZIP centroid (approximate)
UPSTATE NEW YORK VA HEALTHCARE SYSTEM (WESTERN NY VA HEALTHCARE SYSTEM)
5.6 mi

Data Sources

Provider Registry NPPES NPPES snapshot; verify current record
Medicare Enrollment PECOS PECOS snapshot
Practice Data Medicare Util. Annual (CY lag)
Industry Payments Open Payments CY 2023
Disciplinary History — Not included N/A

This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This reflects how much public data is available about a provider. How we calculate this →

Summary

Karstedt is a clinical cardiology specialist, with above-average Medicare volume (top 7% in NY).

This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →

Frequently Asked Questions

Is Karstedt experienced with destruction of precancerous skin growths, 2-14?
Based on Medicare claims data, Karstedt performed 525 destruction of precancerous skin growths, 2-14 services. These records cover Medicare fee-for-service activity, including eligible younger beneficiaries; they do not measure total practice volume or clinical quality.
Does Karstedt receive payments from pharmaceutical companies?
Yes. Karstedt received a total of $1,746 from 17 companies across 48 payment records. A record can group multiple payments. These transfers are publicly disclosed through CMS Open Payments. Disclosure alone does not establish their legality or effect on care. Patients may wish to ask their doctor about these relationships, especially if a recommended drug or device appears in the payment records.
How do Karstedt's costs compare to other medical physician assistants in Williamsville?
Karstedt's average Medicare payment per service is $29. Note that these figures represent what Medicare pays, not your out-of-pocket cost, which depends on your specific insurance plan and deductible. Procedure-level data above shows both what was submitted and what Medicare paid for each service type.
What does Data Coverage mean?
Data Coverage (currently Very High for Karstedt) measures how much public federal data is available about a provider. It is not a quality rating. A "Very High" or "High" level means the provider has data across multiple federal sources (NPPES, PECOS, Medicare Utilization, Open Payments), indicating the presence of registry, enrollment, activity or payment records, not verified experience or clinical quality. A "Low" or "Moderate" level may simply mean the provider is newer, does not see Medicare patients, or has not received any industry payments — none of which are inherently negative. Read our full methodology →
Is this data up to date?
Source publication dates and the snapshots loaded on this site can differ. Rebuilding a page does not refresh its source records. Check the Medicare reporting year and the payment interval shown above; consult the linked official sources for newer releases and current registry details. See our data freshness policy →
About this page

This page combines public CMS records with calculated summaries and explanatory procedure labels. These transformations are not verbatim federal records. Sources: NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.

This page is not medical advice, an endorsement, a recommendation, or a quality rating. Data Coverage reflects data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.

Provider corrections: Provider portal · Privacy questions: Privacy Policy · Terms: Terms of Use · Methodology: Methodology

Data Disclaimer — Data sourced from the Centers for Medicare & Medicaid Services (CMS): National Plan and Provider Enumeration System (NPPES), Open Payments program, Medicare Provider Utilization and Payment Data, and Provider Enrollment & Certification data (PECOS). Published under the Freedom of Information Act (FOIA). This website is not affiliated with, endorsed by, or authorized by CMS, HHS, or the U.S. Government. Data may contain errors as reported to CMS by providers and reporting entities. Industry payment disclosure alone establishes neither wrongdoing nor legality. Medicare data reflects only patients aged 65+ or those with qualifying disabilities. For corrections, contact CMS directly. This information does not constitute medical advice and should not be used as the sole basis for choosing a healthcare provider. Procedure descriptions use plain language and do not reference CPT® codes, which are copyrighted by the American Medical Association. Full methodology → · Report a data error → · Privacy policy →