HAZIQ FAISAL SIDDIQI MD
NPI 1164009114
Internal Medicine in Stanford, CA
About Haziq Faisal Siddiqi Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HAZIQ FAISAL SIDDIQI MD (NPI 1164009114) is an individual internal medicine provider in Stanford, California, licensed in California (A191484) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Harvard Medical School (2021).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Haziq Faisal Siddiqi Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Haziq Siddiqi 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
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.
Areas of Expertise CMS Part B claims 4
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 Haziq Siddiqi's NPI number?
The NPI number for Haziq Siddiqi is 1164009114. It was assigned to this individual provider in the NPPES registry on March 25, 2021.
Where is Haziq Siddiqi located?
Haziq Siddiqi practices at 300 Pasteur Dr, Stanford, CA 94305. The listed phone number is (650) 723-4000.
What is Haziq Siddiqi's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Haziq Siddiqi enrolled in Medicare?
Yes. Haziq Siddiqi is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Haziq Siddiqi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Haziq Siddiqi reassigns Medicare benefits to 2 organizations: 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 Haziq Siddiqi'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 Haziq Siddiqi was last updated on July 17, 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.
# Haziq Faisal Siddiqi, MD · NPI 1164009114
Internal Medicine physician in Stanford, California. Individual provider, active in the CMS NPPES registry since March 25, 2021.
## Identity
- **NPI:** 1164009114 (Entity type: Individual)
- **Enumerated:** March 25, 2021
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** A191484 (California)
- **Sole proprietor:** No
## 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:** 2 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) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Harvard Medical School, class of 2021
## Record status
- **NPPES last updated:** July 17, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1164009114) · Data from the CMS NPPES public registry.