RAJESHWARI AYYAR MD
NPI 1871670703
Internal Medicine - Medical Oncology in San Jose, CA

Active since October 31, 2006PECOS Enrolled
2589 SAMARITAN DR, SAN JOSE, CA 95124(408) 426-4900 Get Directions Write a Review

NPPES record last updated: April 15, 2024. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Apr 15, 2024, Feb 16, 2023 (2 updates tracked since 2023).

About Rajeshwari Ayyar Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

RAJESHWARI AYYAR MD (NPI 1871670703) is an individual medical oncology provider in San Jose, California, licensed in California (C42666) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS and maintains a secondary practice location in Santa Clara.

NPPES Registry Identity

NPI1871670703
Entity TypeIndividualFemale
Primary Taxonomy207RX0202X
Provider Legal NameRAJESHWARI AYYARCredential: MD
Location Address2589 SAMARITAN DRSan Jose, CA 95124-4102
Mailing Address2589 Samaritan DrSan Jose, CA 95124-4102 · (408) 426-4900
Sole ProprietorNo
Enumeration DateOctober 31, 2006
Last NPPES UpdateApril 15, 20242 updates tracked since enumeration
NPPES CertifiedApril 15, 2024
NPI 1871670703 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
License Licensed in CA · C42666
Definition

An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.

Also ListedInternal MedicineTaxonomy 207R00000X · License C42666 (CA)
Also ListedInternal Medicine · HematologyTaxonomy 207RH0000X · License C42666 (CA)
2589 SAMARITAN DR, San Jose, CA 95124

Secondary Practice Location 1

Location 1710 Lawrence ExpySanta Clara, CA 95051-5173 · Phone (408) 851-1000

Other Identifiers 1

Medicaid00C426660CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Rajeshwari Ayyar Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
17 services15 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
15 services12 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
13 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95124 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$206.04 typical visit price
range $70.37 – $206.04
Typical copayment $51.51 (range $17.59 – $51.51)
Most-billed visit code 99205
Established Patient
$121.77 typical visit price
range $23.96 – $169.60
Typical copayment $30.44 (range $5.99 – $42.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 10

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine (Medical Oncology)
2589 SAMARITAN DR
SAN JOSE, CA 95124
Internal Medicine (Medical Oncology)
2589 SAMARITAN DR
SAN JOSE, CA 95124
Nurse Practitioner
2589 SAMARITAN DR
SAN JOSE, CA 95124
Internal Medicine (Medical Oncology)
2589 SAMARITAN DR
SAN JOSE, CA 95124
Internal Medicine (Hematology)
2589 SAMARITAN DR
SAN JOSE, CA 95124
Internal Medicine (Medical Oncology)
2589 SAMARITAN DR
SAN JOSE, CA 95124
Surgery (Surgical Oncology)
2589 SAMARITAN DR
SAN JOSE, CA 95124
Internal Medicine (Medical Oncology)
2589 SAMARITAN DR
SAN JOSE, CA 95124

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Rajeshwari Ayyar's NPI number?

The NPI number for Rajeshwari Ayyar is 1871670703. It was assigned to this individual provider in the NPPES registry on October 31, 2006.

Where is Rajeshwari Ayyar located?

Rajeshwari Ayyar practices at 2589 Samaritan Dr, San Jose, CA 95124. The listed phone number is (408) 426-4900.

What is Rajeshwari Ayyar's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Is Rajeshwari Ayyar enrolled in Medicare?

Yes. Rajeshwari Ayyar is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Rajeshwari Ayyar was last updated on April 15, 2024. NPI Profile syncs with the weekly NPPES data releases published by CMS.