ANGELA SABRINA GIESE MD
NPI 1003266701
Surgery - Vascular Surgery in Fairfield, CA
About Angela Sabrina Giese Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANGELA SABRINA GIESE MD (NPI 1003266701) is an individual vascular surgery provider in Fairfield, California, licensed in California (A189817) and active in the NPI registry since June 2016. She is enrolled in Medicare PECOS, maintains 4 additional practice locations, and is a graduate of Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University (2016).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Secondary Practice Locations 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
Angela Sabrina Giese 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
3Medicare enrollment records show Angela Giese reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fairfield, CA 94533
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Northbay Physicians Surgery Center, LLC
- 516 clinicians in this Medicare group
Fairfield, CA 94534
- Reassigned Medicare billing, California enrollment
- 225 clinicians in this Medicare group
Davis, CA 95616
- Reassigned Medicare billing, California enrollment
- 2,570 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 11
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94535 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.
TRAVIS AFB, CA 94535
TRAVIS AFB, CA 94535
FAIRFIELD, CA 94535
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 Angela Giese's NPI number?
The NPI number for Angela Giese is 1003266701. It was assigned to this individual provider in the NPPES registry on June 14, 2016. The provider is also known as Angela Sabrina Arreola.
Where is Angela Giese located?
Angela Giese practices at 101 Bodin Cir, Fairfield, CA 94535. The listed phone number is (707) 423-3000.
What is Angela Giese's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.
Is Angela Giese enrolled in Medicare?
Yes. Angela Giese 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 Angela Giese's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Angela Giese reassigns Medicare benefits to 3 organizations: Northbay Healthcare Group (Fairfield, CA), Northbay Health Medical Foundation (Fairfield, CA) and Regents Of The Univ Of Ca (Davis, 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 Angela Giese'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 Angela Giese was last updated on October 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 days 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.
# Angela Sabrina Giese, MD · NPI 1003266701
Vascular Surgery physician in Fairfield, California. Individual provider, active in the CMS NPPES registry since June 14, 2016.
## Identity
- **NPI:** 1003266701 (Entity type: Individual)
- **Enumerated:** June 14, 2016
- **Primary specialty:** Surgery - Vascular Surgery · taxonomy 2086S0129X
- **State license:** A189817 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 101 BODIN CIR, Fairfield, CA 94535-1809
- **Phone:** (707) 423-3000
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Northbay Healthcare Group (NPI 1821147786, Fairfield, CA); Northbay Health Medical Foundation (NPI 1760283527, Fairfield, CA); Regents Of The Univ Of Ca (NPI 1053304071, Davis, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, class of 2016
## Record status
- **NPPES last updated:** October 12, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1003266701) · Data from the CMS NPPES public registry.