SHAWNA MILLS GREINER CRNA
NPI 1154468460
Nurse Anesthetist, Certified Registered in Travis Afb, CA
About Shawna Mills Greiner Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SHAWNA MILLS GREINER CRNA (NPI 1154468460) is an individual nurse anesthetist, certified registered in Travis Afb, California, licensed in California (521870) and active in the NPI registry since January 2007.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Shawna Mills Greiner Crna is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
5Medicare enrollment records show Shawna Greiner reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hurst, TX 76054
- Reassigned Medicare billing, Florida enrollment
- 107 clinicians in this Medicare group
Tampa, FL 33614
- Reassigned Medicare billing, Florida enrollment
- 151 clinicians in this Medicare group
Tampa, FL 33603
- Reassigned Medicare billing, Florida enrollment
- 160 clinicians in this Medicare group
Maitland, FL 32751
- Reassigned Medicare billing, Florida enrollment
- 2,356 clinicians in this Medicare group
Orlando, FL 32806
- Reassigned Medicare billing, Florida enrollment
- 45 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.
TRAVIS AFB, CA 94535
TRAVIS AFB, 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 Shawna Greiner's NPI number?
The NPI number for Shawna Greiner is 1154468460. It was assigned to this individual provider in the NPPES registry on January 30, 2007. The provider is also known as Shawna Lee Mills Crna.
Where is Shawna Greiner located?
Shawna Greiner practices at 101 Bodin Cir, Travis Afb, CA 94535. The listed phone number is (707) 423-3583.
What is Shawna Greiner's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Shawna Greiner enrolled in Medicare?
Yes. Shawna Greiner is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Shawna Greiner's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Shawna Greiner reassigns Medicare benefits to 5 organizations: Physician Partners Of America Crna Operations LLC (Hurst, TX), Florida Pain Relief Group PLLC (Tampa, FL), Anesthesiology Professional Services, Inc. (Tampa, FL), Us Anesthesia Partners Of Florida Inc. (Maitland, FL) and Ophthalmology Anesthesia Services LLC (Orlando, FL). 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 Shawna Greiner'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 Shawna Greiner was last updated on February 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.
# Shawna Mills Greiner, CRNA · NPI 1154468460
Nurse Anesthetist, Certified Registered physician in Travis Afb, California. Individual provider, active in the CMS NPPES registry since January 30, 2007.
## Identity
- **NPI:** 1154468460 (Entity type: Individual)
- **Enumerated:** January 30, 2007
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 521870 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 101 BODIN CIR, Travis Afb, CA 94535-1809
- **Phone:** (707) 423-3583
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Physician Partners Of America Crna Operations LLC (NPI 1992129365, Hurst, TX); Florida Pain Relief Group PLLC (NPI 1376994608, Tampa, FL); Anesthesiology Professional Services, Inc. (NPI 1902856891, Tampa, FL); Us Anesthesia Partners Of Florida Inc. (NPI 1518910520, Maitland, FL); Ophthalmology Anesthesia Services LLC (NPI 1093741753, Orlando, FL) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 19, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1154468460) · Data from the CMS NPPES public registry.