Registry data as of Aug 27, 2026

Sarathy Mandayam, MD

Gastroenterology Physician · French Camp, CA

Sarathy Mandayam, MD is a gastroenterology physician with a practice address in French Camp, California, and NPI 1518911023, issued on May 20, 2006. Check the license (California A055910, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1518911023
Name
Sarathy Mandayam
Credential
MD
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
A055910 CA
Self-reported in NPPES; status is on the state search
Practice location
500 W Hospital RD, French Camp, CA 95231
Phone
(661) 945-8700
Enumerated
May 20, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 500 W Hospital RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Abdul Abdali, M.D.Hospitalist Physician1104319771
  2. Massoud Abdali, M.D.Student in an Organized Health Care Education/Training Program1861707325
  3. Nader Abedini, MDStudent in an Organized Health Care Education/Training Program1861334484
  4. Marium Abid, MDStudent in an Organized Health Care Education/Training Program1831036375
  5. Jewel AbrahamAddiction (Substance Use Disorder) Counselor1205050689
  6. Marc Acosta, RNEmergency Registered Nurse1841188836

Verify Sarathy Mandayam in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A055910
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

80% fewer Medicare Part D claims than the average gastroenterology physician in 2024

162 Medicare Part D claims for 112 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 38% of claims.

  1. Sarathy Mandayam162
  2. Specialty average811

Most prescribed

  1. Gavilyte-G54 claims
  2. Peg-3350 And Electrolytes38 claims
  3. Gavilyte-C12 claims
  4. Vemlidy11 claims

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.

The practice group's Medicare quality score for 2023: 78.1 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score74.7
  2. Costout of 100 · 30%52.6
  3. Promoting interoperabilityout of 100 · 25%
  4. Improvement activities30 of 40 points · 15%75.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $261.32

7 payments, mostly food and beverage; the largest payer was Boston Scientific Corporation. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sarathy Mandayam$261.32
  2. Specialty average$5,015.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital affiliation

  1. Hazel Hawkins Memorial HospitalHollister, CA · Critical Access Hospitals

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).

Gastroenterology Physician providers in California

There are 2,140 gastroenterology physician records in California.

Other gastroenterology physician records in California

  1. David Aarons, MDLodi, CA1619081379
  2. Constante Abaya, MDOxnard, CA1003918459
  3. Sadeea Abbasi, M.D., PH.D.Los Angeles, CA1366713513
  4. Basim Abdelkarim, MDUpland, CA1932217544
  5. Homan Abdollahzadeh, MDPalm Springs, CA1184634826
  6. John Abdulian, M.D.Fresno, CA1437114113
  7. Hussein Abidali, DORancho Cucamonga, CA1205274768
  8. Alaa Abousaif, MDOrange, CA1235124108
  9. Donald Abrahm, M.D.Newport Beach, CA1215022405
  10. Maria Abreu, M.D.West Hollywood, CA1598793374

Common questions

What is Sarathy Mandayam, MD's NPI number?

Sarathy Mandayam, MD's National Provider Identifier (NPI) is 1518911023, issued on May 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Sarathy Mandayam, MD located?

The NPPES record lists a practice address at 500 W Hospital RD, French Camp, CA, 95231. Phone: (661) 945-8700. Providers update this record themselves, so call before visiting.

How can I verify Sarathy Mandayam, MD's license?

NPPES lists California license number A055910, 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 Sarathy Mandayam, MD prescribe under Medicare Part D?

In 2024, Sarathy Mandayam, MD had 162 Medicare Part D claims for 112 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

What is Sarathy Mandayam, MD's Medicare quality score?

The 2023 MIPS final score is 78.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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) 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 27, 2026.