Dr. Susan Piros Larson, MD, MPH

  • Pleasanton, CA
  • General practice physician
NPI1447461637
Part D claims, 2024
47
Industry payments
$299
State licenses
5
Year NPI issued
2007
Practice address
5555 W Las Positas Blvd, Pleasanton, CA 94588
Practice phone
Call (650) 954-0044
Professional email
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Personal email
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Mobile number
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Social profiles

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Dr. Susan Piros Larson is a general practice physician in Pleasanton, California

Dr. Larson practices in Pleasanton, California.

Dr. Larson's NPI, 1447461637, was assigned on May 27, 2007. Dr. Larson graduated from Feinberg School of Medicine in 2003. Dr. Larson holds California license A115679.

NPI and contact details
NPI enumeration date
May 27, 2007
NPI status
Active
Practice phone
(650) 954-0044
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Medical school graduation
2003

Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data

Dr. Susan Piros Larson's practice address is in Pleasanton, California

Dr. Larson's practice address in the NPI Registry is 5555 W Las Positas Blvd, Pleasanton, CA 94588, in Alameda County. The practice phone is (650) 954-0044.

  • NPI Registry address
    5555 W Las Positas Blvd, Pleasanton, CA 94588 · Alameda CountyPhone(650) 954-0044

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dmand AI tracks the EHR system at Dr. Susan Piros Larson's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Larson practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Dr. Larson's practiceAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Susan Piros Larson is one of 1,526 general practice physicians in California

General practice is Dr. Larson's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dmand AI has Dr. Larson's licenses on file in 5 states: California, Florida, Illinois, Wisconsin and Wyoming.

Specialties and state licenses

  • General practice, CaliforniaPrimaryLicense A115679 · 2011 to 2026 · taxonomy 208D00000X
  • Florida license2019 to 2027
  • Illinois license2009 to 2026
  • Wisconsin license2007 to 2025
  • Wyoming license2013 to 2025

General practice physicians near Dr. Larson

Counts of general practice physicians with a Dmand AI profile, by place and practice. Each opens the list.

1,526general practice physicians in California
2general practice physicians in Pleasanton

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Susan Piros Larson's patients have a median age of 39

Across all payers, Dmand AI patient panel data puts Dr. Larson's median patient age at 39, with 50% women.

Dr. Larson's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 39

Patient panel by sex, all payers

  • Women50%
  • Men50%

Source: Dmand AI Patient Panel Data

Dr. Susan Piros Larson wrote 47 Medicare Part D claims in 2024

In 2024, Dr. Larson wrote 47 Medicare Part D claims for 13 patients. 81% of them were for generic drugs.

Part D claims, 202447
Part D patients13

Dr. Larson's Part D claims by kind of drug, 2024

  • Generic38 claims81%
  • Brand-name and other9 claims19%

Drug classes CMS tracks in Dr. Larson's Part D claims, 2024

  • Antibiotics26%12 of 47 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

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Dr. Susan Piros Larson received $299 in industry payments from 2018 to 2024

CMS Open Payments shows 20 general payments to Dr. Larson from 1 drug or device company from 2018 to 2024. Food and beverage make up the largest share, 100% of the total. Abbott Laboratories paid the most, $299.

General payments to Dr. Larson by program year, 2018 to 2024

Companies that paid Dr. Larson the most, 2018 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Larson

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Susan Piros Larson has 1 award and honors on record

Dmand AI lists 1 award for Dr. Larson, most recently Anna Gelman Award for Excellence in Epidemiology in 1997.

Awards and honors for Dr. Larson

  1. 1997
    • Anna Gelman Award for Excellence in Epidemiology

Source: Dmand AI Professional Profile Data

Dr. Susan Piros Larson graduated from Feinberg School of Medicine

Dr. Larson graduated from Feinberg School of Medicine in 2003.

  1. Medical schoolFeinberg School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Susan Piros Larson's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Susan Piros Larson

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Susan Piros Larson's NPI number?

Dr. Susan Piros Larson's NPI number is 1447461637. It was assigned on May 27, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Susan Piros Larson?

Dr. Susan Piros Larson is a general practice physician in Pleasanton, California. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).

Where does Dr. Susan Piros Larson practice?

Dr. Larson practices at 5555 W Las Positas Blvd, Pleasanton, CA 94588.

What is Dr. Susan Piros Larson's office phone number?

The practice phone on file for Dr. Larson is (650) 954-0044.

What is Dr. Susan Piros Larson's medical license number?

Dr. Larson holds California license A115679, one of the licenses on file in 5 states.

Which states has Dr. Susan Piros Larson been licensed in?

Dmand AI has state licenses on file for Dr. Larson in California (2011 to 2026), Florida (2019 to 2027), Illinois (2009 to 2026), Wisconsin (2007 to 2025) and Wyoming (2013 to 2025).

Where did Dr. Susan Piros Larson go to medical school?

Dr. Larson graduated from Feinberg School of Medicine in 2003.

Has Dr. Susan Piros Larson received payments from drug or device companies?

CMS Open Payments shows $299 in general payments to Dr. Larson from 1 company from 2018 to 2024. The largest total came from Abbott Laboratories.

How long has Dr. Susan Piros Larson been practicing?

Dr. Larson graduated from medical school in 2003, 23 years ago.

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