Viviana Marisol Mendez, MD
Internal Medicine Physician · San Jose, CA
Viviana Marisol Mendez, MD is an internal medicine physician with a practice address in San Jose, California, and NPI 1659833077, issued on Apr 3, 2019. Check the license (California A176644, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Viviana Marisol Mendez
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A176644 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2400 Moorpark Ave Ste 220B, San Jose, CA 95128
- Phone
- (888) 334-1000
- Enumerated
- Apr 3, 2019
- Record last updated
- Jul 5, 2022
- Medicare enrollment
- Enrolled (PECOS I20221012003836); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 2400 Moorpark Ave Ste 220B
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Viviana Marisol Mendez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A176644Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% fewer Medicare Part D claims than the average internal medicine physician in 2024
998 Medicare Part D claims for 211 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 36 claims were for opioids.
Most prescribed
- Atorvastatin Calcium94 claims
- Amlodipine Besylate92 claims
- Losartan Potassium55 claims
- Levothyroxine Sodium32 claims
- Metformin Hcl32 claims
- Gabapentin27 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 MIPS final score for 2023 (Medicare payment program): 80.6 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- County OF Santa ClaraSan Jose, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Viviana Marisol Mendez among 17,696 internal medicine physician records in California
Viviana Marisol Mendez, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 86% of them.
- NPI issued2019 · 86% of these records are older, 11% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2019 · median 2004 among the 11,065 with a school on file
- Record last updated2022 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
428 internal medicine physician records list a practice address in San Jose
They are 428 of the 20,925 NPPES records with a practice address in San Jose, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Jose → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Alfonso Banuelos, MDSan Jose, CA 951281295720613
- Kimberly Bazar, MDSan Jose, CA 951281447225206
- Andrea Cervenka, MDSan Jose, CA 951281609841774
- Stephanie Chan, MDSan Jose, CA 951281639144538
- Alexander Chyorny, MDSan Jose, CA 951281750358016
- Sarah Cody, MDSan Jose, CA 951281568425437
- Vijaya Dudyala, M.DSan Jose, CA 951281477522589
- Eamonn Dunphy, MDSan Jose, CA 951281003878182
Common questions
What is Viviana Marisol Mendez, MD's NPI number?
Viviana Marisol Mendez, MD's National Provider Identifier (NPI) is 1659833077, issued on Apr 3, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Viviana Marisol Mendez, MD located?
The NPPES record lists a practice address at 2400 Moorpark Ave Ste 220B, San Jose, CA, 95128. Phone: (888) 334-1000. Providers update this record themselves, so call before visiting.
How can I verify Viviana Marisol Mendez, MD's license?
NPPES lists California license number A176644, 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 Viviana Marisol Mendez, MD prescribe under Medicare Part D?
In 2024, Viviana Marisol Mendez, MD had 998 Medicare Part D claims for 211 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Viviana Marisol Mendez, MD's MIPS final score?
The 2023 MIPS final score is 80.6 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), 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.