DR. OSAMA TARIQ SIDDIQUI MD
NPI 1124944988
General Practice in Seattle, WA
About Dr. Osama Tariq Siddiqui Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. OSAMA TARIQ SIDDIQUI MD (NPI 1124944988) is an individual general practice provider in Seattle, Washington, licensed in Washington (MDCE.ML.70118123) and active in the NPI registry since June 2026. He is enrolled in Medicare PECOS, maintains a secondary practice location in Seattle, and is a graduate of Other (2012).
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
Dr. Osama Tariq 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
2Medicare enrollment records show Osama Siddiqui reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Everett, WA 98203
- Reassigned Medicare billing, Washington enrollment
- 166 clinicians in this Medicare group
Lanham, MD 20706
- Reassigned Medicare billing, Washington enrollment
- 239 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.
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.
SEATTLE, WA 98101
SEATTLE, WA 98101
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 Osama Siddiqui's NPI number?
The NPI number for Osama Siddiqui is 1124944988. It was assigned to this individual provider in the NPPES registry on June 26, 2026.
Where is Osama Siddiqui located?
Osama Siddiqui practices at 1334 Terry Ave, Seattle, WA 98101. The listed phone number is (206) 682-2661.
What is Osama Siddiqui's specialty?
The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.
Is Osama Siddiqui enrolled in Medicare?
Yes. Osama 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 Osama Siddiqui's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Osama Siddiqui reassigns Medicare benefits to 2 organizations: Altea Medical Washington PLLC (Everett, WA) and Post Acute Medical PLLC (Lanham, MD). 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 Osama Siddiqui'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 Osama Siddiqui was last updated on June 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Dr. Osama Tariq Siddiqui, MD · NPI 1124944988
General Practice physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since June 26, 2026.
## Identity
- **NPI:** 1124944988 (Entity type: Individual)
- **Enumerated:** June 26, 2026
- **Primary specialty:** General Practice · taxonomy 208D00000X
- **State license:** MDCE.ML.70118123 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 1334 TERRY AVE, Seattle, WA 98101-2747
- **Phone:** (206) 682-2661
## 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): Altea Medical Washington PLLC (NPI 1609655497, Everett, WA); Post Acute Medical PLLC (NPI 1730713025, Lanham, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** June 26, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1124944988) · Data from the CMS NPPES public registry.