Susan Piros Larson, MD, MPH
General Practice Physician · Pleasanton, CA
Susan Piros Larson, MD, MPH is a general practice physician with a practice address in Pleasanton, California, and NPI 1447461637, issued on May 27, 2007. Check the license (California A115679, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Susan Piros Larson
- Credential
- MD, MPH
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- A115679 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1020 Serpentine LN Ste 115, Pleasanton, CA 94566
- Phone
- (650) 954-0044
- Enumerated
- May 27, 2007
- Record last updated
- May 6, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 1020 Serpentine LN Ste 115
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jessica Wakeman, LACAcupuncturist1265999601
Verify Susan Piros Larson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A115679Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average general practice physician in 2024
47 Medicare Part D claims for 13 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $24.16
1 payment: food and beverage; the largest payer was Abbott Laboratories. The 4,259 providers of this specialty with any payment received $1,273.40 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
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Common questions
What is Susan Piros Larson, MD, MPH's NPI number?
Susan Piros Larson, MD, MPH's National Provider Identifier (NPI) is 1447461637, issued on May 27, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Susan Piros Larson, MD, MPH located?
The NPPES record lists a practice address at 1020 Serpentine LN Ste 115, Pleasanton, CA, 94566. Phone: (650) 954-0044. Providers update this record themselves, so call before visiting.
How can I verify Susan Piros Larson, MD, MPH's license?
NPPES lists California license number A115679, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Susan Piros Larson, MD, MPH prescribe under Medicare Part D?
In 2024, Susan Piros Larson, MD, MPH had 47 Medicare Part D claims for 13 beneficiaries; the average among general practice physician prescribers was 3,030. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.