VIKRAM ADITYA SHANKAR MD
NPI 1891298634
Ophthalmology - Glaucoma Specialist in Stanford, CA
About Vikram Aditya Shankar Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
VIKRAM ADITYA SHANKAR MD (NPI 1891298634) is an individual glaucoma specialist in Stanford, California, licensed in California (A178759) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Washington University School Of Medicine (2018).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Vikram Aditya Shankar Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
5Medicare enrollment records show Vikram Shankar reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Stanford, CA 94305
- Reassigned Medicare billing, California enrollment
- 4,258 clinicians in this Medicare group
Palo Alto, CA 94304
- Reassigned Medicare billing, California enrollment
- 3,617 clinicians in this Medicare group
Redwood City, CA 94063
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
Fremont, CA 94539
- Reassigned Medicare billing, California enrollment
- 5 clinicians in this Medicare group
San Jose, CA 95126
- Reassigned Medicare billing, California enrollment
- 5 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 15
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94305 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
STANFORD, CA 94305
STANFORD, CA 94305
STANFORD, CA 94305
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 Vikram Shankar's NPI number?
The NPI number for Vikram Shankar is 1891298634. It was assigned to this individual provider in the NPPES registry on March 16, 2018.
Where is Vikram Shankar located?
Vikram Shankar practices at 300 Pasteur Dr, Stanford, CA 94305. The listed phone number is (650) 723-4000.
What is Vikram Shankar's specialty?
The primary specialty registered for this NPI is Ophthalmology, specializing in Glaucoma Specialist, with taxonomy code 207WX0009X.
Is Vikram Shankar enrolled in Medicare?
Yes. Vikram Shankar is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Vikram Shankar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Vikram Shankar reassigns Medicare benefits to 5 organizations: Stanford Health Care (Stanford, CA), Lpch Medical Group Div Of Lucile (Palo Alto, CA), Permanente Medical Group Inc (Redwood City, CA), Sarbjit Singh Hundal (Fremont, CA) and Bdhv Medical Group Of California, PC (San Jose, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Vikram Shankar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Vikram Shankar accept?
Health plans from Anthem Blue Cross and Blue Shield list Vikram Shankar as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Vikram Shankar was last updated on July 9, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Vikram Aditya Shankar, MD · NPI 1891298634
Glaucoma Specialist physician in Stanford, California. Individual provider, active in the CMS NPPES registry since March 16, 2018.
## Identity
- **NPI:** 1891298634 (Entity type: Individual)
- **Enumerated:** March 16, 2018
- **Primary specialty:** Ophthalmology - Glaucoma Specialist · taxonomy 207WX0009X
- **State license:** A178759 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 PASTEUR DR, Stanford, CA 94305-2200
- **Phone:** (650) 723-4000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Stanford Health Care (NPI 1437292927, Stanford, CA); Lpch Medical Group Div Of Lucile (NPI 1417907940, Palo Alto, CA); Permanente Medical Group Inc (NPI 1639252604, Redwood City, CA); Sarbjit Singh Hundal (NPI 1962413708, Fremont, CA); Bdhv Medical Group Of California, PC (NPI 1598288078, San Jose, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Washington University School Of Medicine, class of 2018
## Record status
- **NPPES last updated:** July 9, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1891298634) · Data from the CMS NPPES public registry.