Vibha Ramaswamy Iyengar, M.D, MPH
Geriatric Medicine (Internal Medicine) Physician · Mountain View, CA
Vibha Ramaswamy Iyengar, M.D, MPH is a geriatric medicine (internal medicine) physician with a practice address in Mountain View, California, and NPI 1023279528, issued on Jun 18, 2008. Check the license (California A114870, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Vibha Ramaswamy Iyengar
- Credential
- M.D, MPH
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- A114870 CA
Self-reported in NPPES; status is on the state search - Practice location
- 701 E EL Camino Real, Mountain View, CA 94040
- Phone
- (650) 934-7808
- Enumerated
- Jun 18, 2008
- Record last updated
- Sep 30, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20110920000397); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 701 E EL Camino Real
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Aya Abou-Nasr, MDAnesthesiology Physician1982191672
- Jaimie Abraham, AGPCNP-BCFamily Nurse Practitioner1245757699
- Brooke Abrantes, PA-CSurgical Physician Assistant1316771298
- Faud Abuabara, M.D.MOHS-Micrographic Surgery Physician1164472890
- Felix Adler, M.D.Diagnostic Radiology Physician1801069729
- Olga Afanasiev, MD, PHDDermatology Physician1669869384
Verify Vibha Ramaswamy Iyengar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A114870Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
1,378 Medicare Part D claims for 173 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D.
Most prescribed
- Sertraline Hcl120 claims
- Memantine Hcl119 claims
- Quetiapine Fumarate95 claims
- Donepezil Hcl89 claims
- Atorvastatin Calcium55 claims
- Trazodone Hcl52 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.
Bills Medicare through one group practice
- Sutter Bay Medical FoundationSunnyvale, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in California
There are 532 geriatric medicine (internal medicine) physician records in California.
Other geriatric medicine (internal medicine) physician records in California
- Adil Abbasi, M.D.La Jolla, CA1548261316
- Shashidar Acharya, M.D.Orange, CA1770685521
- Marie AdachiLos Angeles, CA1629496740
- Pouya Afshar, M.D.San Diego, CA1184958977
- Parag Agnihotri, M.D.San Diego, CA1447351085
- Andreas Ahlas, M.D.Bakersfield, CA1326200833
- Waseem Ahmed, MDSanta Rosa, CA1386803559
- Paul AisenSan Diego, CA1669470753
- Mahmuda Alam, M.D.Glendale, CA1568659985
- Cathy Alessi, M.D.North Hills, CA1134224983
Common questions
What is Vibha Ramaswamy Iyengar, M.D, MPH's NPI number?
Vibha Ramaswamy Iyengar, M.D, MPH's National Provider Identifier (NPI) is 1023279528, issued on Jun 18, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Vibha Ramaswamy Iyengar, M.D, MPH located?
The NPPES record lists a practice address at 701 E EL Camino Real, Mountain View, CA, 94040. Phone: (650) 934-7808. Providers update this record themselves, so call before visiting.
How can I verify Vibha Ramaswamy Iyengar, M.D, MPH's license?
NPPES lists California license number A114870, 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 Vibha Ramaswamy Iyengar, M.D, MPH prescribe under Medicare Part D?
In 2024, Vibha Ramaswamy Iyengar, M.D, MPH had 1,378 Medicare Part D claims for 173 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.