DR. ADNAN ALI ALSEIDI MD
NPI 1821078379
Surgery in Seattle, WA
About Dr. Adnan Ali Alseidi Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ADNAN ALI ALSEIDI MD (NPI 1821078379) is an individual surgery provider in Seattle, Washington, licensed in California (C167415) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS and is a graduate of Pennsylvania State University College Of Medicine (2000).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
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. Adnan Ali Alseidi 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
5Medicare enrollment records show Adnan Alseidi reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94133
- Reassigned Medicare billing, California enrollment
- 1,573 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 761 clinicians in this Medicare group
San Francisco, CA 94110
- Reassigned Medicare billing, California enrollment
- 87 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 98101 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
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 Adnan Alseidi's NPI number?
The NPI number for Adnan Alseidi is 1821078379. It was assigned to this individual provider in the NPPES registry on January 19, 2006.
Where is Adnan Alseidi located?
Adnan Alseidi practices at 1100 9th Ave, Seattle, WA 98101. The listed phone number is (206) 341-0060.
What is Adnan Alseidi's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Adnan Alseidi enrolled in Medicare?
Yes. Adnan Alseidi 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 Adnan Alseidi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Adnan Alseidi reassigns Medicare benefits to 5 organizations: City & County Of San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA), University Of California San Francisco (San Francisco, CA), Ucsf Dept Of Surgery (San Francisco, CA) and University Of California Sfgh Medical Group (San Francisco, 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 Adnan Alseidi'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 Adnan Alseidi was last updated on January 16, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Dr. Adnan Ali Alseidi, MD · NPI 1821078379
Surgery physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since January 19, 2006.
## Identity
- **NPI:** 1821078379 (Entity type: Individual)
- **Enumerated:** January 19, 2006
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** C167415 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1100 9TH AVE, Seattle, WA 98101-2756
- **Phone:** (206) 341-0060
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): City & County Of San Francisco (NPI 1023579356, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA); University Of California San Francisco (NPI 1164512851, San Francisco, CA); Ucsf Dept Of Surgery (NPI 1477627537, San Francisco, CA); University Of California Sfgh Medical Group (NPI 1033913959, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Pennsylvania State University College Of Medicine, class of 2000
## Record status
- **NPPES last updated:** January 16, 2020
- **Other identifiers:** Other 1821078379 (WA); Medicaid 1821078379 (WA); Other P01248168 (WA); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1821078379) · Data from the CMS NPPES public registry.