ABRAAR KARAN MD, MPH
NPI 1023546009
Internal Medicine - Infectious Disease in San Jose, CA
About Abraar Karan Md, Mph NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ABRAAR KARAN MD, MPH (NPI 1023546009) is an individual infectious disease provider in San Jose, California, licensed in California (A172199) and active in the NPI registry since June 2017. He is enrolled in Medicare PECOS and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses 2
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
Abraar Karan Md, Mph 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
3Medicare enrollment records show Abraar Karan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Jose, CA 95116
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1679675698 (California), NPI 1043354020 (California)
- 1,232 clinicians in this Medicare group
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
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 95112 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.
SAN JOSE, CA 95112
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 Abraar Karan's NPI number?
The NPI number for Abraar Karan is 1023546009. It was assigned to this individual provider in the NPPES registry on June 2, 2017.
Where is Abraar Karan located?
Abraar Karan practices at 777 E Santa Clara St, San Jose, CA 95112. The listed phone number is (650) 723-4000.
What is Abraar Karan's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Abraar Karan enrolled in Medicare?
Yes. Abraar Karan 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 Abraar Karan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Abraar Karan reassigns Medicare benefits to 3 organizations: County Of Santa Clara (San Jose, CA), Stanford Health Care (Stanford, CA) and Lpch Medical Group Div Of Lucile (Palo Alto, 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 Abraar Karan'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 Abraar Karan was last updated on October 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 days 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.
# Abraar Karan, MD, MPH · NPI 1023546009
Infectious Disease physician in San Jose, California. Individual provider, active in the CMS NPPES registry since June 2, 2017.
## Identity
- **NPI:** 1023546009 (Entity type: Individual)
- **Enumerated:** June 2, 2017
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **State license:** A172199 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 777 E SANTA CLARA ST, San Jose, CA 95112-1934
- **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:** 3 organizations under Medicare reassignment (form CMS-855R): County Of Santa Clara (NPI 1629301346, San Jose, CA); Stanford Health Care (NPI 1437292927, Stanford, CA); Lpch Medical Group Div Of Lucile (NPI 1417907940, Palo Alto, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** October 6, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1023546009) · Data from the CMS NPPES public registry.