ABDULLAH M N S ALSHAMMARI MD, FRCSC
NPI 1437982477
Orthopaedic Surgery - Orthopaedic Surgery of the Spine in San Francisco, CA
About Abdullah M N S Alshammari Md, Frcsc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ABDULLAH M N S ALSHAMMARI MD, FRCSC (NPI 1437982477) is an individual orthopaedic surgery of the spine provider in San Francisco, California, licensed in California (A198639) and active in the NPI registry since August 2024. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Abdullah M N S Alshammari Md, Frcsc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Abdullah Alshammari reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
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
- 81 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 2
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.
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.
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
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 Abdullah Alshammari's NPI number?
The NPI number for Abdullah Alshammari is 1437982477. It was assigned to this individual provider in the NPPES registry on August 23, 2024.
Where is Abdullah Alshammari located?
Abdullah Alshammari practices at 500 Parnassus Ave, San Francisco, CA 94143. The listed phone number is (415) 476-6548.
What is Abdullah Alshammari's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Orthopaedic Surgery of the Spine, with taxonomy code 207XS0117X.
Is Abdullah Alshammari enrolled in Medicare?
Yes. Abdullah Alshammari is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Abdullah Alshammari's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Abdullah Alshammari reassigns Medicare benefits to 4 organizations: 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 Abdullah Alshammari'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 Abdullah Alshammari was last updated on August 23, 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.
# Abdullah M N S Alshammari, MD, FRCSC · NPI 1437982477
Orthopaedic Surgery of the Spine physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since August 23, 2024.
## Identity
- **NPI:** 1437982477 (Entity type: Individual)
- **Enumerated:** August 23, 2024
- **Primary specialty:** Orthopaedic Surgery - Orthopaedic Surgery of the Spine · taxonomy 207XS0117X
- **State license:** A198639 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 500 PARNASSUS AVE, San Francisco, CA 94143-2203
- **Phone:** (415) 476-6548
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): 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 1760457816, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 23, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1437982477) · Data from the CMS NPPES public registry.