Vasanthi L Narayan, MD - Medicare Internal Medicine in Irvine, CA

Vasanthi L Narayan, MD is a medicare enrolled "Internal Medicine - Endocrinology, Diabetes & Metabolism" physician in Irvine, California. Her current practice location is 6670 Alton Pkwy, Alton Sand Canyon Medical Offices - Mob2, 3rd Floor, Irvine, California. You can reach out to her office (for appointments etc.) via phone at (888) 988-2800.

Vasanthi L Narayan is licensed to practice in California (license number 93293) 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 1598939589.

Contact Information

Vasanthi L Narayan, MD
6670 Alton Pkwy, Alton Sand Canyon Medical Offices - Mob2, 3rd Floor,
Irvine, CA 92618-3734
(888) 988-2800
Not Available

Map and Direction




Physician's Profile

Full NameVasanthi L Narayan
GenderFemale
SpecialityInternal Medicine - Endocrinology, Diabetes & Metabolism
Location6670 Alton Pkwy, Irvine, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1598939589
  • Provider Enumeration Date: 04/21/2008
  • Last Update Date: 11/22/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 8426073446
  • Enrollment ID: I20060217000678

Medical Identifiers

Medical identifiers for Vasanthi L Narayan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1598939589NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RE0101XInternal Medicine - Endocrinology, Diabetes & Metabolism 93293 (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. Vasanthi L Narayan allows following entities to bill medicare on her behalf.
Entity NameSouthern California Permanente Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1770515280
PECOS PAC ID: 6002729175
Enrollment ID: O20031110000678

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. Vasanthi L Narayan 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
Vasanthi L Narayan, MD
4178 Spectrum,
Irvine, CA 92618-3378

Ph: () -
Vasanthi L Narayan, MD
6670 Alton Pkwy, Alton Sand Canyon Medical Offices - Mob2, 3rd Floor,
Irvine, CA 92618-3734

Ph: (888) 988-2800

Reviews and Comments


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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

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