Rajeshwari Ayyar, MD - Medicare Internal Medicine in San Jose, CA

Rajeshwari Ayyar, MD is a medicare enrolled "Internal Medicine - Medical Oncology" physician in San Jose, California. Her current practice location is 2589 Samaritan Dr, San Jose, California. You can reach out to her office (for appointments etc.) via phone at (408) 426-4900.

Rajeshwari Ayyar is licensed to practice in California (license number C42666) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1871670703.

Contact Information

Rajeshwari Ayyar, MD
2589 Samaritan Dr,
San Jose, CA 95124-4102
(408) 426-4900
Not Available



Physician's Profile

Full NameRajeshwari Ayyar
GenderFemale
SpecialityInternal Medicine - Medical Oncology
Location2589 Samaritan Dr, San Jose, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1871670703
  • Provider Enumeration Date: 10/31/2006
  • Last Update Date: 04/15/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 4082085170
  • Enrollment ID: I20230127002753

Medical Identifiers

Medical identifiers for Rajeshwari Ayyar such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1871670703NPI-NPPES
00C426660MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine C42666 (California)Secondary
207RH0000XInternal Medicine - Hematology C42666 (California)Secondary
207RX0202XInternal Medicine - Medical Oncology C42666 (California)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Rajeshwari Ayyar allows following entities to bill medicare on her behalf.
Entity NameStanford Health Care
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1437292927
PECOS PAC ID: 6709797491
Enrollment ID: O20031124000348

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› Verified 3 days ago

Entity NameUniversity Healthcare Alliance
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1760531198
PECOS PAC ID: 6305748799
Enrollment ID: O20040126000292

News Archive

Doctors recommend drug holidays from bisphosphonates to enhance bone health

Taking time off from certain osteoporosis drugs may be beneficial to bone health, according to a study conducted at Loyola University Health System. Researchers found that bone density remained stable for three years in patients who took a drug holiday from bisphosphonates, a popular class of osteoporosis drugs that can cause fractures in the thigh bones and tissue decay in the jaw bone.

Zimbabwean officials call for improvements to water, sanitation systems to prevent further typhoid outbreaks

Zimbabwean health officials responding to typhoid outbreaks in the capital of Harare that have affected more than 2,000 people "have called on the local and central governments to overhaul water and sanitation systems" to stem the spread of the disease, VOA News reports.

Overweight infants may experience delayed motor skills

Those cute little rolls of fat some infants have may actually slow their ability to crawl and walk, according to a new study by the University of North Carolina at Chapel Hill.

Triple negative breast cancers more common among women who are African American and Hispanic, under 40 years old

So-called "triple negative" breast cancers, tumors that do not contain any of three significant tumor markers, are aggressive, deadly cancers that affect young, poor minority women, according to a new study.

Read more Medical News

› Verified 3 days ago

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Rajeshwari Ayyar is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Rajeshwari Ayyar, MD
2589 Samaritan Dr,
San Jose, CA 95124-4102

Ph: (408) 426-4900
Rajeshwari Ayyar, MD
2589 Samaritan Dr,
San Jose, CA 95124-4102

Ph: (408) 426-4900

News Archive

Doctors recommend drug holidays from bisphosphonates to enhance bone health

Taking time off from certain osteoporosis drugs may be beneficial to bone health, according to a study conducted at Loyola University Health System. Researchers found that bone density remained stable for three years in patients who took a drug holiday from bisphosphonates, a popular class of osteoporosis drugs that can cause fractures in the thigh bones and tissue decay in the jaw bone.

Zimbabwean officials call for improvements to water, sanitation systems to prevent further typhoid outbreaks

Zimbabwean health officials responding to typhoid outbreaks in the capital of Harare that have affected more than 2,000 people "have called on the local and central governments to overhaul water and sanitation systems" to stem the spread of the disease, VOA News reports.

Overweight infants may experience delayed motor skills

Those cute little rolls of fat some infants have may actually slow their ability to crawl and walk, according to a new study by the University of North Carolina at Chapel Hill.

Triple negative breast cancers more common among women who are African American and Hispanic, under 40 years old

So-called "triple negative" breast cancers, tumors that do not contain any of three significant tumor markers, are aggressive, deadly cancers that affect young, poor minority women, according to a new study.

Read more News

› Verified 3 days ago


Internal Medicine Doctors in San Jose, CA

Dr. Arunasri Kelleti, M.D.,
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Practice Location: 1333 Meridian Ave, San Jose, CA 95125
Phone: 408-445-3400    
Assefa Worku, MD
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Practice Location: 250 Hospital Pkwy, 260 International Circle, San Jose, CA 95119
Phone: 408-972-7000    Fax: 408-363-4906
Dr. John J Redinski, DO
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Practice Location: 225 N Jackson Ave, San Jose, CA 95116
Phone: 408-347-4051    
Jenny Liu, D.O.
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Medicare: Medicare Enrolled
Practice Location: 751 S. Bascom Ave., San Jose, CA 95128
Phone: 408-885-5000    
Dr. Komal J Bhatt, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 225 N Jackson Ave, San Jose, CA 95116
Phone: 408-259-5000    
Dr. Alexander D Doan, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 105 N Bascom Ave, #103, San Jose, CA 95128
Phone: 408-998-2890    Fax: 408-998-2897
Eamonn Patrick Dunphy, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 751 S Bascom Ave, Radiation Oncology, San Jose, CA 95128
Phone: 408-885-4150    

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