KEVAL NIRAJ DESAI MD
NPI 1861021172
Internal Medicine in Stanford, CA
About Keval Niraj Desai Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KEVAL NIRAJ DESAI MD (NPI 1861021172) is an individual internal medicine provider in Stanford, California, licensed in California (A188084) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, maintains a secondary practice location in Chicago, and is a graduate of Yale University School Of Medicine (2020).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Keval Niraj Desai 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
2Medicare enrollment records show Keval Desai reassigns Medicare billing to 2 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
Apache Junction, AZ 85120
- Reassigned Medicare billing, Arizona enrollment
- 93 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
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.
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 Keval Desai's NPI number?
The NPI number for Keval Desai is 1861021172. It was assigned to this individual provider in the NPPES registry on April 7, 2020.
Where is Keval Desai located?
Keval Desai practices at 300 Pasteur Dr, Stanford, CA 94305. The listed phone number is (650) 723-4000.
What is Keval Desai's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Keval Desai enrolled in Medicare?
Yes. Keval Desai 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 Keval Desai's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Keval Desai reassigns Medicare benefits to 2 organizations: Stanford Health Care (Stanford, CA) and Oak Street Health Physicians Group Of Arizona PLLC (Apache Junction, AZ). 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 Keval Desai's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Keval Desai was last updated on September 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.
# Keval Niraj Desai, MD · NPI 1861021172
Internal Medicine physician in Stanford, California. Individual provider, active in the CMS NPPES registry since April 7, 2020.
## Identity
- **NPI:** 1861021172 (Entity type: Individual)
- **Enumerated:** April 7, 2020
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** A188084 (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:** 2 organizations under Medicare reassignment (form CMS-855R): Stanford Health Care (NPI 1437292927, Stanford, CA); Oak Street Health Physicians Group Of Arizona PLLC (NPI 1063083590, Apache Junction, AZ) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Yale University School Of Medicine, class of 2020
## Record status
- **NPPES last updated:** September 2, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1861021172) · Data from the CMS NPPES public registry.