SARIYA ALI SIDDIQUI MD
NPI 1679195259
Radiology - Diagnostic Radiology in Stanford, CA
About Sariya Ali Siddiqui Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SARIYA ALI SIDDIQUI MD (NPI 1679195259) is an individual diagnostic radiology provider in Stanford, California, licensed in California (A188731) and active in the NPI registry since May 2020. She is enrolled in Medicare PECOS, is affiliated with Skagit Valley Hospital, and maintains 2 additional practice locations.
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 and accepts Medicare assignment
Sariya Ali Siddiqui 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
9Medicare enrollment records show Sariya Siddiqui reassigns Medicare billing to 9 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
Santa Paula, CA 93060
- Reassigned Medicare billing, California enrollment
- 3 clinicians in this Medicare group
Silverdale, WA 98383
- Reassigned Medicare billing, Washington enrollment
- Also billed through NPI 1356492953 (Washington)
- 208 clinicians in this Medicare group
Mount Vernon, WA 98274
- Reassigned Medicare billing, Alaska, California and Washington enrollments
- 40 clinicians in this Medicare group
Mount Vernon, WA 98274
- Reassigned Medicare billing, Alaska, California and Washington enrollments
- 40 clinicians in this Medicare group
Mount Vernon, WA 98273
- Reassigned Medicare billing, Alaska, California and Washington enrollments
- 40 clinicians in this Medicare group
Bellingham, WA 98229
- Reassigned Medicare billing, Alaska, California and Washington enrollments
- 46 clinicians in this Medicare group
Fairbanks, AK 99709
- Reassigned Medicare billing, Alaska, California and Washington enrollments
- 46 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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Skagit Valley Hospital
Acute Care Hospitals · Mount Vernon, WAIsland Hospital
Acute Care Hospitals · Anacortes, WACascade Valley Hospital
Acute Care Hospitals · Arlington, WAPhysician 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 Sariya Siddiqui's NPI number?
The NPI number for Sariya Siddiqui is 1679195259. It was assigned to this individual provider in the NPPES registry on May 18, 2020.
Where is Sariya Siddiqui located?
Sariya Siddiqui practices at 300 Pasteur Dr, Stanford, CA 94305. The listed phone number is (650) 723-4000.
What is Sariya Siddiqui's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Sariya Siddiqui enrolled in Medicare?
Yes. Sariya Siddiqui 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 Sariya Siddiqui's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sariya Siddiqui reassigns Medicare benefits to 9 organizations: Stanford Health Care (Stanford, CA), Lpch Medical Group Div Of Lucile (Palo Alto, CA), Whidbey Island Public Hospital District (Santa Paula, CA), Jefferson County Public Hospital District No 2 (Silverdale, WA), Skagit Radiology Inc P S (Mount Vernon, WA) and 4 more organizations, listed in the Medicare section above. 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 Sariya Siddiqui's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Sariya Siddiqui affiliated with any hospitals?
According to CMS data, Sariya Siddiqui is affiliated with Skagit Valley Hospital, Island Hospital and Cascade Valley Hospital.
When was this NPI record last updated?
The NPPES record for Sariya Siddiqui was last updated on March 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Sariya Ali Siddiqui, MD · NPI 1679195259
Diagnostic Radiology physician in Stanford, California. Individual provider, active in the CMS NPPES registry since May 18, 2020.
## Identity
- **NPI:** 1679195259 (Entity type: Individual)
- **Enumerated:** May 18, 2020
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** A188731 (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:** 9 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); Whidbey Island Public Hospital District (NPI 1386351476, Santa Paula, CA); Jefferson County Public Hospital District No 2 (NPI 1467664631, Silverdale, WA); Skagit Radiology Inc P S (NPI 1932218757, Mount Vernon, WA); and 4 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Illinois College Of Med, class of 2020
## Record status
- **NPPES last updated:** March 26, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1679195259) · Data from the CMS NPPES public registry.