Skip to main content

Dr. Allyson Richardson, MD

Gastroenterology (Gastroenterology Physician)

At a glance

Years since graduation
7
In the NPI registry since
2019

Licensed in California since 2025, 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

  • Gastroenterology Physician primary
    CA license A202870 (first issued 2025; current) · MA license 292812

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

Map: Gastroenterology per capita by county →

Where they work

Hospitals

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.

Payments from drug and device companies

In 2025, 3 companies reported 6 payments worth $684 in total to this clinician.

By type
Food and Beverage$600
Education$84.00

What the payments were for

Largest payments other than meals
DateCompanyWhat it was forAmount
Jul 9, 2025Janssen Biotech, Inc.
Jul 9, 2025
Education
TREMFYA · Immunology · in-kind
$84.00

Each payment as the company reported it, with the products it named. Meals are counted in the totals above but not listed one by one.

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 Gastroenterology clinicians in San Francisco

Sources

NPI registry (CMS NPPES, November 2026; record last updated October 31, 2025), 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 1578024014. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.