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

Stephen Vaccarezza

Nephrology Rockville, MD Medical Doctor

NPI 1861488314 CMS profile 266212

6240 Montrose Rd, Rockville, MD 20852

Open in the dashboard

General payments

$4,738

204 records reported · program years 2019–2025

Research payments

$0

Paid to them · None reported · program years 2019–2025

Ownership & investment interest

$0

None reported

Through program year 2025, Stephen Vaccarezza of Rockville, MD is reported in the CMS Open Payments database as having received $4,738 across 204 general payments and $0 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 79th percentile of Nephrology profiles with reported payments. Percentile describes the distribution, not the conduct.

By program year

7 rows
Year Kind Relative to this record's peak year Amount Records
2025 General $637 26
2024 General $909 42
2023 General $729 36
2022 General $912 38
2021 General $853 30
2020 General $243 11
2019 General $456 21

Beside peers

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

In program year 2025, general payments to Stephen Vaccarezza were reported at $637. 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 Stephen Vaccarezza Nephrology median Middle half National median
2019 $456 $236 $90–$588 $163
2020 $243 $135 $46–$364 $114
2021 $853 $202 $67–$551 $132
2022 $912 $242 $77–$695 $149
2023 $729 $254 $84–$766 $160
2024 $909 $300 $99–$852 $164
2025 $637 $310 $104–$880 $169

Breakdown

Who paid General payments · program years 2019–2025
  1. Relypsa, Inc. $1,344 48 payments
  2. AstraZeneca Pharmaceuticals LP $630 34 payments
  3. Amgen Inc. $363 17 payments
  4. Otsuka America Pharmaceutical, Inc. $360 16 payments
  5. Bayer HealthCare Pharmaceuticals Inc. $321 14 payments
  6. Mallinckrodt Hospital Products Inc. $261 7 payments
  7. Retrophin, Inc. $240 12 payments
  8. Calliditas Therapeutics US Inc. $228 9 payments
  9. Ardelyx, Inc. $222 9 payments
  10. Aurinia Pharma U.S., Inc. $170 7 payments
  11. Other $598 31 payments

Every payment, record by record

What the payments were for General payments · program years 2019–2025
  1. Food and Beverage $4,217 193 payments
  2. Education $321 10 payments
  3. Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program $200 1 payment
Products named General payments · program years 2019–2025
  1. Veltassa Hyperkalemia $790 28 payments
  2. FARXIGA $329 16 payments
  3. Kerendia $321 14 payments
  4. Veltassa Hyperkalemia $318 14 payments
  5. LOKELMA $287 17 payments
  6. ACTHAR $261 7 payments
  7. JYNARQUE $260 13 payments
  8. Korsuva $236 11 payments
  9. IBSRELA $222 9 payments
  10. Parsabiv $220 10 payments
  11. Other $1,509 70 payments

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

Prescribing to Medicare patients

Part D · data year 2024 · 39 drugs

Part D claims

1,120

Median for Nephrology: 954

Drug cost

$124,116

Median for Nephrology: $127,050

Branded share of claims

19.5%

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
Farxiga Dapagliflozin Propanediol Brand 32 $36,279
Veltassa Patiromer Calcium Sorbitex Brand 17 $19,261
Sevelamer Carbonate Generic 33 $16,528
Januvia Sitagliptin Phosphate Brand 16 $13,095
Jardiance Empagliflozin Brand 16 $11,263
Calcium Acetate Generic 85 $7,737
Prosol Parenteral Amino Acid 20% No.1 Brand 36 $5,563
Potassium Citrate Er Potassium Citrate Brand 12 $1,577
Nifedipine Er Nifedipine Brand 46 $1,330
Hydralazine Hcl Generic 28 $1,181

The 10 drugs with the highest cost, of 39 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 · 25 billing codes

Paid by Medicare

$198,070

Of which drugs: $3,491

Medicare patients

455

Average age 76

Services billed

2,014

201 women, 254 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 56%
Arthritis 47%
Ischemic heart disease 42%
Heart failure 29%
Atrial fibrillation 26%
Depression 23%

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

First 5 of 16 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
IBSRELA
  • Ardelyx, Inc. $128
$128 — —
Kerendia
  • Bayer HealthCare Pharmaceuticals Inc. $100
$100 — —
FARXIGA
  • AstraZeneca Pharmaceuticals LP $100
$100 32 —
TARPEYO
  • CALLIDITAS THERAPEUTICS US INC. $69
$69 — —
LUPKYNIS
  • Aurinia Pharma U.S., Inc. $53
$53 — —

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.

See all 16 in the dashboard with a free account

Records

204 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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