NPI registry status
Active
2026 NPPES data Allergy & Immunology Physician NPI 1801983408 M.D.
Verify on CMS → Henry Kanarek, M.D.
Allergy & Immunology Physician in Overland Park, Kansas.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 3,394 in Allergy & Immunology 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
3K
Medicare Part D claims · 432 beneficiaries · Allergy & Immunology Physician avg: 764
Generic prescribing
76%
generic claims · 24% brand-name · higher generic rates reduce patient out-of-pocket costs
Industry payments
$16.7K
347 payments · CMS Open Payments (Sunshine Act)
Source: CMS Medicare Part D Prescriber Public Use File, 2023
What the federal data shows
Henry Kanarek, M.D. filed 3,211 Medicare Part D claims in 2023 as an Allergy & Immunology Physician in Overland Park, Kansas, prescribing 76% generic.
- 3K
- Part D claims, 2023
- 76%
- generic prescribing
- $16.7K
- 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.
Henry Kanarek, M.D.'s Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2023, across all CMS prescribers nationally
3,211 Top 11% higher than 89% 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)
Henry Kanarek, 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 Henry Kanarek, M.D.?
Quality data not reportedPrimary specialty
Allergy & Immunology Physician
Medicare Part D claims
3,211 320% vs specialty avg
Specialty distribution in Kansas
How Allergy & Immunology Physician compares to other specialties among Kansas 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 Allergy & Immunology 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).
Henry Kanarek, M.D. appears in the CMS NPPES registry as an Allergy & Immunology Physician provider holding M.D. credentials at 4601 W 109TH ST, Overland Park, KS, 66211, with a listed phone of (913) 451-8555. NPI 1801983408 was issued on 10/06/2006.
Medicare Part D records for calendar year 2023 show 3,211 prescription claims written by this provider, covering 432 Medicare beneficiaries and totaling roughly $12.3 million in drug spend, split 24% brand-name and 76% generic by claim count, with an opioid prescribing rate of 2.0%.
Allergy & Immunology Physician is a narrow specialty nationwide, with 3,394 enrolled providers across 52 states and an average of 764 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 | 1801983408 |
|---|---|
| Specialty | Allergy & Immunology Physician |
| Credentials | M.D. |
| Gender | Male |
| NPI Issued | 10/06/2006 |
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 Henry Kanarek, M.D.. Source: openpaymentsdata.cms.gov.
Total received
$16.7K
Largest payer
Pharming Healthcare, 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.
Brand vs generic prescribing mix · Typical
Henry Kanarek, M.D. - brand share 24.0%
Allergy & Immunology Physician average
24% brand-name claims vs 76% generic, on 3,211 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.
3,211
Total Claims
$12.3M
Total Drug Cost
432
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 4,963
- Total Day Supply
- 140,717
- Brand vs Generic
- 24% brand / 76% generic
- Brand Drug Cost
- $12.2M
- Generic Drug Cost
- $151K
- Opioid Claims
- 63 (2.0% rate)
- Antibiotic Claims
- 126
Patient Demographics
- Average Patient Age
- 72.7 years
- Avg HCC Risk Score
- 1.16
- Gender Split
- 69% female / 31% male
- Age Distribution
- <65: 37, 65-74: 215, 75-84: 145, 85+: 35
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
What Henry Kanarek, M.D. prescribes most
Top Medicare Part D drugs by claim count, 2023
- Omeprazole
Omeprazole
551 claims
- Prednisone
Prednisone
311 claims
- Albuterol Sulfate … 158
Albuterol Sulfate Hfa
158 claims
- Pantoprazole Sodium 158
Pantoprazole Sodium
158 claims
- Furosemide 115
Furosemide
115 claims
- Metoclopramide Hcl 103
Metoclopramide Hcl
103 claims
- Potassium Chloride 93
Potassium Chloride
93 claims
- Pilocarpine Hcl 92
Pilocarpine Hcl
92 claims
| Drug | Claims |
|---|---|
| Omeprazole | 551 |
| Prednisone | 311 |
| Albuterol Sulfate Hfa Albuterol Sulfate | 158 |
| Pantoprazole Sodium | 158 |
| Furosemide | 115 |
| Metoclopramide Hcl | 103 |
| Potassium Chloride | 93 |
| Pilocarpine Hcl | 92 |
| Trelegy Ellipta Fluticasone/Umeclidin/Vilanter | 89 |
| Orladeyo Berotralstat Hydrochloride | 59 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Allergy & Immunology Physician Overview
How Henry Kanarek, M.D. fits within the Allergy & Immunology Physician landscape nationally.
3,394
Allergy & Immunology Physician Providers in US
52
States with Allergy & Immunology Physician
764
Avg Claims per Provider
Henry Kanarek, M.D.'s 3,211 claims are above the specialty average of 764.
Nearby Allergy & Immunology Physician Providers in Kansas
Other clinicians with the same primary specialty enrolled in Kansas, drawn from the same CMS NPPES roster as Kanarek.
Dr. Celina Bernabe
DO
Overland Park, KS
Dr. Scott Frankel
MD
Overland Park, KS
Dr. Khaled Girgis
M.D. PH.D.
Overland Park, KS
Dr. Gerald Goldstein
MD
Overland Park, KS
Dr. Chajuta Guss
MD
Leavenworth, KS
Compare Allergy & Immunology 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 Kansas medical board, federal registration is not a license check. Credential verification guide
- Weigh a second option: compare this provider with a nearby Allergy & Immunology 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 Henry Kanarek, M.D.'s specialty? ▼
Henry Kanarek, M.D. specializes in Allergy & Immunology Physician and practices in Overland Park, Kansas. Credentials: M.D..
How much does Henry Kanarek, M.D. prescribe under Medicare Part D? ▼
In 2023, Henry Kanarek, M.D. wrote 3,211 Medicare Part D claims totaling $12.3M in drug costs for 432 beneficiaries.
Where is Henry Kanarek, M.D. located? ▼
Henry Kanarek, M.D. is located at 4601 W 109TH ST, Overland Park, KS, 66211. Phone: (913) 451-8555.
What is Henry Kanarek, M.D.'s NPI number? ▼
Henry Kanarek, M.D.'s National Provider Identifier (NPI) is 1801983408, issued on 10/06/2006.
Does Henry Kanarek, M.D. prescribe more brand-name or generic drugs? ▼
Henry Kanarek, M.D.'s prescribing is 24% brand-name and 76% generic drugs by claim count, with $12.2M in brand drug costs.
Does Henry Kanarek, M.D. prescribe opioids? ▼
Yes, Henry Kanarek, M.D. had 63 opioid claims in 2023 with an opioid prescribing rate of 2.0%.
How many Allergy & Immunology Physician providers are there in the US? ▼
There are 3,394 Allergy & Immunology Physician providers across 52 states in the US. The average Allergy & Immunology Physician provider writes 764 Medicare Part D claims per year.
What drugs does Henry Kanarek, M.D. prescribe most often? ▼
Based on 2023 Medicare Part D data, Henry Kanarek, M.D.'s most frequently prescribed drugs include Omeprazole, Prednisone, Albuterol Sulfate Hfa. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Henry Kanarek, M.D. accept Medicare? ▼
Henry Kanarek, M.D. appears in CMS Medicare data with 3,211 Part D claims and 432 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Henry Kanarek, M.D.'s credentials? ▼
Henry Kanarek, M.D.'s NPI is 1801983408 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
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.