Medical Doctor Program year 2025 Reported 2019–2025 Source: CMS Open Payments, 2026 publication

Daniel Brennan

Nephrology Baltimore, MD Medical Doctor

NPI 1023036597 CMS profile 46340

600 N Wolfe St, Baltimore, MD 21287

Open in the dashboard

General payments

$133,328

79 records reported · program years 2019–2025

Research payments

$244

Paid to them · 1 record reported · program years 2019–2025

Ownership & investment interest

$0

None reported

Through program year 2025, Daniel Brennan of Baltimore, MD is reported in the CMS Open Payments database as having received $133,328 across 79 general payments and $244 in research payments paid to them.

No combined total General, research and ownership are kept apart. Each is reported under its own rules, and ownership is not money that moved at all but the value of a stake held. A meal, a clinical trial grant and a shareholding do not add up to anything meaningful, so this site does not add them.

General payments for this record sit in the 98th percentile of Nephrology profiles with reported payments. Percentile describes the distribution, not the conduct.

By program year

8 rows
Year Kind Relative to this record's peak year Amount Records
2025 General $16,599 7
2024 General $53,882 22
2023 General $15,892 16
2022 General $11,460 11
2021 General $2,743 4
2020 General $17,360 7
2019 General $15,391 12
2019 Research $244 1

Beside peers

Year by year, beside peers General payments · among profiles paid that year
  • Daniel Brennan
  • Nephrology median
  • Middle half of Nephrology
  • National median

In program year 2025, general payments to Daniel Brennan were reported at $16,599. Among 8,186 Nephrology profiles paid that year, the median was $310 and the middle half received between $104 and $880.

Show as a table
Year Daniel Brennan Nephrology median Middle half National median
2019 $15,391 $236 $90–$588 $163
2020 $17,360 $135 $46–$364 $114
2021 $2,743 $202 $67–$551 $132
2022 $11,460 $242 $77–$695 $149
2023 $15,892 $254 $84–$766 $160
2024 $53,882 $300 $99–$852 $164
2025 $16,599 $310 $104–$880 $169

Breakdown

Who paid General payments · program years 2019–2025
  1. Sanofi-Aventis U.S. LLC $97,606 36 payments
  2. Veloxis Pharmaceuticals, Inc. $10,079 13 payments
  3. Alexion Pharmaceuticals, Inc. $7,080 3 payments
  4. Calliditas Therapeutics US Inc. $5,106 7 payments
  5. Sanofi US Services Inc. $3,412 1 payment
  6. Takeda Pharmaceuticals U.S.A., Inc. $3,221 3 payments
  7. Roche Diagnostics Corporation $2,900 1 payment
  8. Kamada Ltd. $2,295 1 payment
  9. Retrophin, Inc. $1,521 10 payments
  10. Mallinckrodt Hospital Products Inc. $53 2 payments
  11. Other $55 2 payments

Every payment, record by record

What the payments were for General payments · program years 2019–2025
  1. Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program $60,409 10 payments
  2. Consulting Fee $49,836 18 payments
  3. Travel and Lodging $21,254 20 payments
  4. Food and Beverage $1,814 30 payments
  5. Education $15 1 payment
Products named General payments · program years 2019–2025
  1. THYMOGLOBULIN Oncology $65,896 22 payments
  2. THYMOGLOBULIN Oncology $15,310 8 payments
  3. Envarsus Immunosuppressant $9,832 8 payments
  4. ULTOMIRIS $7,080 3 payments
  5. TARPEYO $5,063 6 payments
  6. MD cobas Instruments and Reagents $2,900 1 payment
  7. CYTOGAM $2,295 1 payment
  8. Envarsus Immunosuppresant $214 4 payments
  9. Envarsus Immunosuppressant $82 4 payments
  10. LIVTENCITY $61 1 payment
  11. Other $184 6 payments

A payment can name more than one product, so these amounts overlap and do not add up to the general-payment figure.

Research payments came from Research payments · program years 2019–2025
  1. Sanofi-Aventis U.S. LLC $244 1 payment

Prescribing to Medicare patients

Part D · data year 2024 · 24 drugs

Part D claims

793

Median for Nephrology: 954

Drug cost

$48,450

Median for Nephrology: $127,050

Branded share of claims

13.6%

Median for Nephrology: 17.9%

Drugs this doctor was counted under in Medicare Part D 2024, by drug cost
Drug Type Relative to their largest Claims Drug cost
Envarsus Xr Tacrolimus Brand 17 $13,996
Farxiga Dapagliflozin Propanediol Brand 20 $13,489
Jardiance Empagliflozin Brand 12 $7,358
Tacrolimus Generic 24 $5,077
Mycophenolate Mofetil Generic 23 $1,326
Atorvastatin Calcium Generic 115 $1,221
Nifedipine Er Nifedipine Brand 37 $1,164
Prednisone Generic 143 $817
Amlodipine Besylate Generic 54 $541
Hydralazine Hcl Generic 11 $480

The 10 drugs with the highest cost, of 24 counted.

Drug cost is what was paid for the drugs at the pharmacy — by Medicare, the patient and others — and is not money to the prescriber. Medicare Part D only: drugs dispensed to Medicare beneficiaries. A drug with fewer than 11 claims for this prescriber is not published, so a missing drug does not mean zero. The medians are for the 9,003 Part D prescribers listed as Nephrology; they describe a distribution and say nothing about conduct.

Billing to Medicare

Part B · data year 2024 · 15 billing codes

Paid by Medicare

$29,072

Medicare's payments for the services billed

Medicare patients

146

Average age 62

Services billed

385

65 women, 81 men among their patients

Share of this provider's Medicare patients with each condition
Condition among their Medicare patients Relative to the most common Share of patients
High blood pressure 75%
Chronic kidney disease 75%
Diabetes 58%
Arthritis 40%
Ischemic heart disease 35%
Heart failure 28%
Depression 21%
Atrial fibrillation 20%

Medicare Part B only: services billed to Medicare. Rows covering fewer than 11 beneficiaries are not published. Only drugs given in the clinic are itemised here; the rest of what this provider billed is in the total above.

Payments and prescribing

4 products · payments 2024

Two separate records. The payments come from Open Payments and the claims from Medicare. They are set side by side because they name the same product; they do not show that a payment affected a prescription.

Products this doctor was paid in connection with in 2024, beside Medicare claims for the same product
Product Paid by Related payments Part D claims Part B services
THYMOGLOBULIN
  • SANOFI-AVENTIS U.S. LLC $39,537
$39,537 — —
TARPEYO
  • CALLIDITAS THERAPEUTICS US INC. $5,063
$5,063 — —
ACTHAR
  • Mallinckrodt Hospital Products Inc. $53
$53 — —
Veozah
  • Astellas Pharma US Inc $30
$30 — —

A dash means Medicare published no figure for this doctor and product — fewer than 11 claims, or the product is not covered under that part — which is not the same as none. Payments are general payments only; one that names several products is split evenly between them, so an amount is payments related to the product, not money paid for it.

Records

80 reported

Every payment, record by record

Date, company, amount, what it was for and the product named — filter by year, kind and company, or download as CSV.

Other Nephrology in Maryland

Related records

What this means

U.S. law requires drug and medical device manufacturers to report payments and transfers of value they make to physicians and teaching hospitals. The Centers for Medicare & Medicaid Services publishes that record each year. This page shows what was reported about this person, and nothing else.

An ownership interest is different from the other two. It is not a payment: it is a stake — shares, options, a partnership holding — that a physician or an immediate family member held in a manufacturer during that year. The figure shown is what the stake was reported to be worth.

Research payments frequently pass through a clinician to the institution running a trial, and rarely represent personal income. They should be read differently from general payments.

Provenance

Source: CMS Open Payments · through program year 2025

Data current to program year 2025, from CMS's 2026 publication.

We reproduce what manufacturers reported. We do not verify, edit or correct the underlying records.

A payment record is not evidence of wrongdoing. Financial relationships between industry and medicine are legal, common and often necessary for research. Who Paid My Doc reports what was disclosed; it does not judge it.

Who Paid My Doc is independent and is not affiliated with, endorsed by or sponsored by CMS or any U.S. government agency. It is not a consumer reporting agency and this is not a consumer report; do not use it for decisions covered by the Fair Credit Reporting Act.

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