2026 NPPES data Allergy & Immunology (Internal Medicine) Physician NPI 1104843630 MD
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ANTHONY KULCZYCKI, MD

Allergy & Immunology (Internal Medicine) Physician in SAINT LOUIS, Missouri. 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
244
Medicare Part D claims · 49 beneficiaries · Allergy & Immunology (Internal Medicine) Physician avg: 798
Generic prescribing
67%
generic claims · 33% brand-name · higher generic rates reduce patient out-of-pocket costs
MIPS score
79.292/100
▼ 4 pts below national avg 83.1 · [object Object]
What the federal data reveals: ANTHONY KULCZYCKI, MD is a Allergy & Immunology (Internal Medicine) Physician ([object Object]) practicing in SAINT LOUIS, Missouri with a Medicare Part D prescribing footprint of 244 claims across 49 beneficiaries — 33% brand-name prescribing . Their CMS MIPS Final Score of 79.292/100 (national average: 83.1) reflects performance across Quality, Cost, Interoperability, and Improvement Activities .

What stands out: ANTHONY KULCZYCKI, MD reported a CMS MIPS final score of 79.292 out of 100, below the 83.1 national average, and filed 244 Medicare Part D claims in 2023. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

Board certification likely (heuristic — not verified)

ANTHONY KULCZYCKI, MD practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + MIPS quality reporting — signals consistent with board-certified status. For verified board certification, see CertificationMatters.org (the official ABMS public lookup).

ANTHONY KULCZYCKI, MD at a glance

Near national average

NPI registry status

Active

Issued 07/17/2006

NPI 1104843630

Primary specialty

Allergy & Immunology (Internal Medicine) Physician

Niche

520 US NPIs in this specialty

Medicare Part D claims

244 69% vs specialty avg

2023 prescription claims

Specialty avg: 798

MIPS final score

79.292/100 3.8079999999999927% pts

Above neutral band

vs 83.1 national avg

Specialty distribution in Missouri

How Allergy & Immunology (Internal Medicine) Physician compares to other specialties among Missouri providers

Missouri providers

Allergy & Immunology (Internal Medicine) Physician share within Missouri

1. Allergy & Immunology (Internal Medicine) Physician42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Allergy & Immunology (Internal Medicine) Physician share within Missouri

Medicare quality performance — MIPS

ANTHONY KULCZYCKI, MD's 2023 MIPS final score plotted against the Allergy & Immunology (Internal Medicine) Physician national average

Near national average
MIPS Final Score
79.292/100
vs 83.1 national avg · 2023 performance year

MIPS final score (Allergy & Immunology (Internal Medicine) Physician) — 79.292/100 vs national avg 83.1

0%100%National avg83%79.3%
MIPS final score (Allergy & Immunology (Internal Medicine) Physician) — 79.292/100 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).

ANTHONY KULCZYCKI, MD is a Allergy & Immunology (Internal Medicine) Physician provider practicing in SAINT LOUIS, Missouri, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: MD. NPI: 1104843630. This profile includes practice location, specialty classification, and organizational affiliations from the CMS provider registry. Provider information is self-reported to CMS and updated monthly.

ANTHONY KULCZYCKI, MD appears in the CMS NPPES registry as a Allergy & Immunology (Internal Medicine) Physician provider holding MD credentials at 1110 HIGHLANDS PLAZA DR E, SAINT LOUIS, MO, 63110, with a listed phone of (314) 273-5838. NPI 1104843630 was issued on 07/17/2006. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what KULCZYCKI 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 244 prescription claims written by this provider, covering 49 Medicare beneficiaries and totaling roughly $59K in drug spend, split 33% brand-name and 67% 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 79.292/100 for the 2023 performance year (Quality 71.46, Cost 59.5132), compared with the national average of 83.1.

Allergy & Immunology (Internal Medicine) Physician is a narrow specialty nationwide, with 520 enrolled providers across 48 states and an average of 798 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

1110 HIGHLANDS PLAZA DR E
SAINT LOUIS, MO 63110

Provider Details

NPI 1104843630
Specialty Allergy & Immunology (Internal Medicine) Physician
Credentials MD
Gender Male
NPI Issued 07/17/2006

CMS Quality Score (MIPS)

Merit-based Incentive Payment System (MIPS) scores from CMS, 2023 performance year.

79.292
Final Score
Avg: 83.1
71.46
Quality
59.5132
Cost
100
Promoting Interoperability

Reporting: Group practice

Brand vs generic prescribing mix · Above average

ANTHONY KULCZYCKI, MD — brand share 33.0%
Specialty average (est.)

33% brand-name claims vs 67% generic, on 244 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.

244
Total Claims
$59K
Total Drug Cost
49
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
421
Total Day Supply
12,504
Brand vs Generic
33% brand / 67% generic
Brand Drug Cost
$55K
Generic Drug Cost
$3K

Patient Demographics

Average Patient Age
67.3 years
Avg HCC Risk Score
1.21
Gender Split
73% female / 27% male
Age Distribution
<65: 17, 65-74: 19, 75-84: 13, 85+: 0

Top Prescribed Drugs (Medicare Part D)

Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.

Drug Claims
Montelukast Sodium
69
Fluticasone Propionate
40
Albuterol Sulfate Hfa
Albuterol Sulfate
25
Spiriva Handihaler
Tiotropium Bromide
13
Levocetirizine Dihydrochloride
12
Symbicort
Budesonide/Formoterol Fumarate
12
Azelastine Hcl
11

* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.

Allergy & Immunology (Internal Medicine) Physician Overview

How ANTHONY KULCZYCKI, MD fits within the Allergy & Immunology (Internal Medicine) Physician landscape nationally.

520
Allergy & Immunology (Internal Medicine) Physician Providers in US
48
States with Allergy & Immunology (Internal Medicine) Physician
798
Avg Claims per Provider

ANTHONY KULCZYCKI, MD's 244 claims are below the specialty average of 798.

Nearby Allergy & Immunology (Internal Medicine) Physician Providers in Missouri

Other clinicians with the same primary specialty enrolled in Missouri, drawn from the same CMS NPPES roster as KULCZYCKI.

Compare Allergy & Immunology (Internal Medicine) Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is ANTHONY KULCZYCKI, MD's specialty?
ANTHONY KULCZYCKI, MD specializes in Allergy & Immunology (Internal Medicine) Physician and practices in SAINT LOUIS, Missouri. Credentials: MD.
How much does ANTHONY KULCZYCKI, MD prescribe under Medicare Part D?
In 2023, ANTHONY KULCZYCKI, MD wrote 244 Medicare Part D claims totaling $59K in drug costs for 49 beneficiaries.
What is ANTHONY KULCZYCKI, MD's Medicare quality score?
ANTHONY KULCZYCKI, MD has a CMS MIPS Final Score of 79.292/100 (Quality: 71.46, Cost: 59.5132). The national average MIPS Final Score is 83.1. Source: CMS Merit-based Incentive Payment System (MIPS) 2023.
Where is ANTHONY KULCZYCKI, MD located?
ANTHONY KULCZYCKI, MD is located at 1110 HIGHLANDS PLAZA DR E, SAINT LOUIS, MO, 63110. Phone: (314) 273-5838.
What is ANTHONY KULCZYCKI, MD's NPI number?
ANTHONY KULCZYCKI, MD's National Provider Identifier (NPI) is 1104843630, issued on 07/17/2006.
Does ANTHONY KULCZYCKI, MD prescribe more brand-name or generic drugs?
ANTHONY KULCZYCKI, MD's prescribing is 33% brand-name and 67% generic drugs by claim count, with $55K in brand drug costs.
How many Allergy & Immunology (Internal Medicine) Physician providers are there in the US?
There are 520 Allergy & Immunology (Internal Medicine) Physician providers across 48 states in the US. The average Allergy & Immunology (Internal Medicine) Physician provider writes 798 Medicare Part D claims per year.
What drugs does ANTHONY KULCZYCKI, MD prescribe most often?
Based on 2023 Medicare Part D data, ANTHONY KULCZYCKI, MD's most frequently prescribed drugs include Montelukast Sodium, Fluticasone Propionate, Albuterol Sulfate Hfa. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does ANTHONY KULCZYCKI, MD accept Medicare?
ANTHONY KULCZYCKI, MD appears in CMS Medicare data with 244 Part D claims and 49 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify ANTHONY KULCZYCKI, MD's credentials?
ANTHONY KULCZYCKI, MD's NPI is 1104843630 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

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