Vibha Iyengar, M.D, MPH
NPI 1023279528 · Geriatric Medicine (Internal Medicine) Physician · Mountain View, CA
Enrolled with Medicare as Practitioner - Geriatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Vibha Iyengar, M.D, MPH is a Geriatric Medicine (Internal Medicine) Physician provider in Mountain View, CA (NPI 1023279528).
Provider details
- NPI number
- 1023279528
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D, MPH
- Sex
- Female
- Sole proprietor
- No
- License
- A114870 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
397 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 117 | $125 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 89 | $155 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 67 | $216 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More99306 | 48 | $208 |
| Nursing Facility Discharge Management, More Than 30 Minutes99316 | 35 | $150 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sertraline Hcl | 120 | 35 |
| Memantine Hcl | 119 | 27 |
| Quetiapine Fumarate | 95 | 25 |
| Donepezil Hcl | 89 | 32 |
| Atorvastatin Calcium | 55 | 20 |
| Trazodone Hcl | 52 | 28 |
| Escitalopram Oxalate | 44 | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-06-18
- Last updated
- 2014-09-30
Frequently asked questions
- What is Vibha Iyengar's NPI number?
- Vibha Iyengar's National Provider Identifier (NPI) is 1023279528, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Vibha Iyengar's specialty?
- Vibha Iyengar is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Vibha Iyengar located?
- Vibha Iyengar's practice location on file with NPPES is 701 E El Camino Real, Mountain View, CA 94040-2833.
- What is Vibha Iyengar's phone number?
- The practice phone number listed in the NPPES registry for Vibha Iyengar is (650) 934-7808.
- Does Vibha Iyengar accept Medicare?
- Vibha Iyengar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Vibha Iyengar's NPI active?
- Yes — Vibha Iyengar's NPI (1023279528) is active in the NPPES registry as of the last update on 2014-09-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.