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

John Day

Neuromuscular Medicine Stanford, CA Medical Doctor

NPI 1447291992 CMS profile 1116450

300 Pasteur Dr, Stanford, CA 94305

Open in the dashboard

General payments

$294,240

338 records reported · program years 2019–2025

Research payments

$39,140

Paid to them · 90 records reported · program years 2019–2025

Ownership & investment interest

$0

None reported

Research they led as principal investigator

$14,103,053 paid to institutions, not to them · program years 2019–2025

Through program year 2025, John Day of Stanford, CA is reported in the CMS Open Payments database as having received $294,240 across 338 general payments and $39,140 in research payments paid to them. Separately, studies naming them as principal investigator received $14,103,053 in research payments, paid to institutions rather than 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. The principal-investigator line is research money paid to institutions for studies they led — not to them — and is not added to anything either.

General payments for this record sit in the 95th percentile of Neuromuscular Medicine profiles with reported payments. Percentile describes the distribution, not the conduct.

By program year

14 rows
Year Kind Relative to this record's peak year Amount Records
2025 General $21,660 11
2025 Research $4,103 9
2024 General $14,012 6
2024 Research $2,258 4
2023 General $62,785 54
2023 Research $4,239 9
2022 General $58,328 43
2022 Research $1,750 5
2021 General $20,907 21
2021 Research $6,362 20
2020 General $42,941 63
2020 Research $19,077 41
2019 General $73,609 140
2019 Research $1,352 2

Beside peers

Year by year, beside peers General payments · among profiles paid that year
  • John Day
  • Neuromuscular Medicine median
  • Middle half of Neuromuscular Medicine
  • National median

In program year 2025, general payments to John Day were reported at $21,660. Among 188 Neuromuscular Medicine profiles paid that year, the median was $530 and the middle half received between $134 and $6,440.

Show as a table
Year John Day Neuromuscular Medicine median Middle half National median
2019 $73,609 $356 $114–$4,219 $163
2020 $42,941 $287 $72–$5,632 $114
2021 $20,907 $193 $73–$1,841 $132
2022 $58,328 $362 $109–$2,461 $149
2023 $62,785 $411 $119–$3,356 $160
2024 $14,012 $394 $122–$5,116 $164
2025 $21,660 $530 $134–$6,440 $169

Breakdown

Who paid General payments · program years 2019–2025
  1. AveXis $96,437 171 payments
  2. Sarepta Therapeutics, Inc. $61,160 44 payments
  3. Biogen, Inc. $41,471 35 payments
  4. F. Hoffmann-La Roche AG $39,410 40 payments
  5. Genentech USA, Inc. $19,012 16 payments
  6. Vertex Pharmaceuticals Incorporated $7,875 3 payments
  7. Insmed, Inc. $6,442 7 payments
  8. Genzyme Corporation $3,975 2 payments
  9. Novartis Pharma AG $3,362 1 payment
  10. Roche Products Limited $2,905 5 payments
  11. Other $12,193 14 payments

Every payment, record by record

What the payments were for General payments · program years 2019–2025
  1. Consulting Fee $136,116 46 payments
  2. Travel and Lodging $51,935 42 payments
  3. Education $47,769 127 payments
  4. Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program $32,155 58 payments
  5. Honoraria $21,184 7 payments
  6. Food and Beverage $5,082 58 payments
Products named General payments · program years 2019–2025
  1. ZOLGENSMA Gene Therapy $84,847 166 payments
  2. SPINRAZA $29,358 22 payments
  3. Non-Covered Product $26,840 42 payments
  4. Exondys 51 $15,894 9 payments
  5. Evrysdi $8,173 11 payments
  6. ZOLGENSMA Neurology $5,103 3 payments
  7. Elevidys $3,375 1 payment
  8. OCREVUS $1,873 2 payments
  9. VILTEPSO $1,326 1 payment
  10. NEXVIAZYME $1,250 1 payment

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. F. Hoffmann-La Roche AG $30,110 68 payments
  2. Genzyme Corporation $7,683 19 payments
  3. AveXis $963 1 payment
  4. Novartis Pharmaceuticals Corporation $249 1 payment
  5. Biogen, Inc. $136 1 payment

Prescribing to Medicare patients

Part D · data year 2024 · 1 drug

Part D claims

13

Median for Neurology: 833

Drug cost

$406,626

Median for Neurology: $202,670

Branded share of claims

100%

Median for Neurology: 25.9%

Drugs this doctor was counted under in Medicare Part D 2024, by drug cost
Drug Type Relative to their largest Claims Drug cost
Skyclarys Omaveloxolone Brand 13 $406,626

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 13,695 Part D prescribers listed as Neurology; they describe a distribution and say nothing about conduct.

Billing to Medicare

Part B · data year 2024 · 9 billing codes

Paid by Medicare

$5,630

Medicare's payments for the services billed

Medicare patients

37

Average age 63

Services billed

53

18 women, 19 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 57%
Arthritis 35%
Diabetes 32%

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

2 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
Evrysdi
  • Genentech USA, Inc. $3,450
  • Roche Products Limited $830
$4,280 — —
ZOLGENSMA
  • Novartis Pharmaceuticals Corporation $92
$92 — —

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

428 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 Neuromuscular Medicine in California

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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