2026 NPPES data Allergy & Immunology (Internal Medicine) Physician NPI 1972582450 M.D.
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DANIEL MADDOX, M.D.

Allergy & Immunology (Internal Medicine) Physician in ROCHESTER, Minnesota. 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
27
Medicare Part D claims · Allergy & Immunology (Internal Medicine) Physician avg: 798
Generic prescribing
41%
generic claims · 59% brand-name · higher generic rates reduce patient out-of-pocket costs
What the federal data reveals: DANIEL MADDOX, M.D. is a Allergy & Immunology (Internal Medicine) Physician ([object Object]) practicing in ROCHESTER, Minnesota with a Medicare Part D prescribing footprint of 27 claims — 59% brand-name prescribing .

What stands out: DANIEL MADDOX, M.D. filed 27 Medicare Part D claims in 2023 across ROCHESTER, Minnesota. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

Board-eligible specialty (heuristic — not verified)

DANIEL MADDOX, 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).

DANIEL MADDOX, M.D. at a glance

Quality data not reported

NPI registry status

Active

Issued 01/12/2006

NPI 1972582450

Primary specialty

Allergy & Immunology (Internal Medicine) Physician

Niche

520 US NPIs in this specialty

Medicare Part D claims

27 97% vs specialty avg

2023 prescription claims

Specialty avg: 798

Specialty distribution in Minnesota

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

Minnesota providers

Allergy & Immunology (Internal Medicine) Physician share within Minnesota

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

Specialty board-certification context

Estimated specialty board-certified rate — Allergy & Immunology (Internal Medicine) Physician (ABMS / AOA reference)

Quality data not reported
Est. board-certified rate
78%
Allergy & Immunology (Internal Medicine) Physician ABMS/AOA estimate

Est. board-certified rate (Allergy & Immunology (Internal Medicine) Physician) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Allergy & Immunology (Internal Medicine) Physician) — ABMS / AOA estimate

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).

DANIEL MADDOX, M.D. is a Allergy & Immunology (Internal Medicine) Physician provider practicing in ROCHESTER, Minnesota, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: M.D.. NPI: 1972582450. 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.

DANIEL MADDOX, M.D. appears in the CMS NPPES registry as a Allergy & Immunology (Internal Medicine) Physician provider holding M.D. credentials at 1220 LONE PINE DR SW, ROCHESTER, MN, 55902, with a listed phone of (507) 287-0318. NPI 1972582450 was issued on 01/12/2006. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what MADDOX 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 27 prescription claims written by this provider, covering N/A Medicare beneficiaries and totaling roughly $8K in drug spend, split 59% brand-name and 41% 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.

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

1220 LONE PINE DR SW
ROCHESTER, MN 55902

Provider Details

NPI 1972582450
Specialty Allergy & Immunology (Internal Medicine) Physician
Credentials M.D.
Gender Male
NPI Issued 01/12/2006

Brand vs generic prescribing mix · Brand-heavy

DANIEL MADDOX, M.D. — brand share 59.0%
Specialty average (est.)

59% brand-name claims vs 41% generic, on 27 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.

27
Total Claims
$8K
Total Drug Cost
N/A
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
50
Total Day Supply
1,500
Brand vs Generic
59% brand / 41% generic
Brand Drug Cost
$8K
Generic Drug Cost
$688

Patient Demographics

Average Patient Age
84.5 years
Avg HCC Risk Score
1.26

Allergy & Immunology (Internal Medicine) Physician Overview

How DANIEL MADDOX, M.D. 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

DANIEL MADDOX, M.D.'s 27 claims are below the specialty average of 798.

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

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

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

Frequently Asked Questions

What is DANIEL MADDOX, M.D.'s specialty?
DANIEL MADDOX, M.D. specializes in Allergy & Immunology (Internal Medicine) Physician and practices in ROCHESTER, Minnesota. Credentials: M.D..
How much does DANIEL MADDOX, M.D. prescribe under Medicare Part D?
In 2023, DANIEL MADDOX, M.D. wrote 27 Medicare Part D claims totaling $8K in drug costs for N/A beneficiaries.
Where is DANIEL MADDOX, M.D. located?
DANIEL MADDOX, M.D. is located at 1220 LONE PINE DR SW, ROCHESTER, MN, 55902. Phone: (507) 287-0318.
What is DANIEL MADDOX, M.D.'s NPI number?
DANIEL MADDOX, M.D.'s National Provider Identifier (NPI) is 1972582450, issued on 01/12/2006.
Does DANIEL MADDOX, M.D. prescribe more brand-name or generic drugs?
DANIEL MADDOX, M.D.'s prescribing is 59% brand-name and 41% generic drugs by claim count, with $8K 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.
Does DANIEL MADDOX, M.D. accept Medicare?
DANIEL MADDOX, M.D. appears in CMS Medicare data with 27 Part D claims and N/A Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify DANIEL MADDOX, M.D.'s credentials?
DANIEL MADDOX, M.D.'s NPI is 1972582450 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

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