DR. HASSIB WALI M.D.
NPI 1821222878
Hospitalist in Vacaville, CA
About Dr. Hassib Wali M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HASSIB WALI M.D. (NPI 1821222878) is an individual hospitalist provider in Vacaville, California, licensed in California (C151018) and active in the NPI registry since May 2009. He is enrolled in Medicare PECOS and is a graduate of Other (2009).
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 and accepts Medicare assignment
Dr. Hassib Wali M.d. 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 Reassignment
Medicare enrollment records show Hassib Wali reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Vallejo, CA 94589
- Reassigned Medicare billing, California enrollment
- 20,078 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 95688 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.
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 Hassib Wali's NPI number?
The NPI number for Hassib Wali is 1821222878. It was assigned to this individual provider in the NPPES registry on May 6, 2009.
Where is Hassib Wali located?
Hassib Wali practices at 1 Quality Dr, Vacaville, CA 95688. The listed phone number is (707) 624-4000.
What is Hassib Wali's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Hassib Wali enrolled in Medicare?
Yes. Hassib Wali 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 organization bills Medicare for Hassib Wali's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hassib Wali reassigns Medicare benefits to Permanente Medical Group Inc (Vallejo, CA). The 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 Hassib Wali'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 Hassib Wali was last updated on February 11, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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. Hassib Wali, M.D. · NPI 1821222878
Hospitalist physician in Vacaville, California. Individual provider, active in the CMS NPPES registry since May 6, 2009.
## Identity
- **NPI:** 1821222878 (Entity type: Individual)
- **Enumerated:** May 6, 2009
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** C151018 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1 QUALITY DR, Vacaville, CA 95688-9494
- **Phone:** (707) 624-4000
## 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:** Permanente Medical Group Inc (NPI 1336222397, Vallejo, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2009
## Record status
- **NPPES last updated:** February 11, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1821222878) · Data from the CMS NPPES public registry.