NASEEM ABBASALI RANGWALA MD
NPI 1629775598
Internal Medicine in Stanford, CA
About Naseem Abbasali Rangwala Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NASEEM ABBASALI RANGWALA MD (NPI 1629775598) is an individual internal medicine provider in Stanford, California, licensed in California (A201811) and active in the NPI registry since February 2023. She is enrolled in Medicare PECOS, maintains a secondary practice location in Los Angeles, and is a graduate of University Of California, Geffen School Of Medicine (2023).
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 (PECOS)
Naseem Abbasali Rangwala Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Naseem Rangwala reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Stanford, CA 94305
- Reassigned Medicare billing, California enrollment
- 4,258 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 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 Naseem Rangwala's NPI number?
The NPI number for Naseem Rangwala is 1629775598. It was assigned to this individual provider in the NPPES registry on February 10, 2023.
Where is Naseem Rangwala located?
Naseem Rangwala practices at 300 Pasteur Dr, Stanford, CA 94305. The listed phone number is (650) 723-4000.
What is Naseem Rangwala's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Naseem Rangwala enrolled in Medicare?
Yes. Naseem Rangwala is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Naseem Rangwala's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Naseem Rangwala reassigns Medicare benefits to Stanford Health Care (Stanford, CA). The 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 Naseem Rangwala'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 Naseem Rangwala was last updated on July 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Naseem Abbasali Rangwala, MD · NPI 1629775598
Internal Medicine physician in Stanford, California. Individual provider, active in the CMS NPPES registry since February 10, 2023.
## Identity
- **NPI:** 1629775598 (Entity type: Individual)
- **Enumerated:** February 10, 2023
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** A201811 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 300 PASTEUR DR, Stanford, CA 94305-2200
- **Phone:** (650) 723-4000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Stanford Health Care (NPI 1437292927, Stanford, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, Geffen School Of Medicine, class of 2023
## Record status
- **NPPES last updated:** July 10, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1629775598) · Data from the CMS NPPES public registry.