Skip to main content

Dr. Roy L. Collins IV, MD

Psychiatry (Psychiatry Physician)

300 Pasteur Dr
Palo Alto, CA 94304

Who else practices at this address →

Santa Clara County includes mental health (13% of residents) shortage areas. About shortage areas

Call (650) 723-4000

  • Medicare participating

At a glance

Years since graduation
7
In the NPI registry since
2019
Medicare patients seen, 2024
40

Licensed in California since 2022, according to the Medical Board of California. We show license dates only for the states that publish them in bulk; see which states do. For other states, check the state medical board.

The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is

Education and training

  • 2019Registered with an NPI (national billing number; not a license date)

Medicare’s Care Compare data doesn’t list this clinician’s medical school. Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).

Specialties and state licenses

  • Psychiatry Physician primary
    CA license A180836 (first issued 2022; current)

As reported to the NPI registry. To confirm a license is current, check the state medical board.

Map: Psychiatry per capita by county →

Where they work

Medical groups

Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.

Medicare patients and services

Medicare patients, 2024
40
Services billed
106
Patients’ average age
64
Most frequent Medicare services, 2023
ServiceTimesPatients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes8635

Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.

Medicare prescriptions

Most prescribed drugs, Medicare Part D 2024
DrugPrescriptions
Aripiprazole
Other prescribers in Palo Alto, CA
13

Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.

Payments from drug and device companies

In 2025, 1 companies reported 1 payments worth $122 in total to this clinician.

By type
Food and Beverage$122

From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.

Who received the most in California →

Other Psychiatry clinicians in Palo Alto

Sources

NPI registry (CMS NPPES, November 2026; record last updated April 29, 2024), Medicare Care Compare, Medicare Physician & Other Practitioners (2024), Medicare Part D Prescribers (2024) and Open Payments (2025). Information is self-reported or billed data and may be out of date; call before visiting.

NPI 1154881340. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.