WILLIAM RONAN ASH
NPI 1780229310
Nurse Anesthetist, Certified Registered in Atlanta, GA
About William Ronan Ash NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM RONAN ASH (NPI 1780229310) is an individual nurse anesthetist, certified registered in Atlanta, Georgia, licensed in Georgia (240715) and active in the NPI registry since November 2019. He is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
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
William Ronan Ash 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 William Ash reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Gainesville, GA 30501
- Reassigned Medicare billing, Georgia enrollment
- 489 clinicians in this Medicare group
Savannah, GA 31404
- Reassigned Medicare billing, Georgia enrollment
- 468 clinicians in this Medicare group
Bradenton, FL 34208
- Reassigned Medicare billing, Georgia enrollment
- 386 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 30342 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 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ATLANTA, GA 30342
ATLANTA, GA 30342
ATLANTA, GA 30342
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 William Ash's NPI number?
The NPI number for William Ash is 1780229310. It was assigned to this individual provider in the NPPES registry on November 7, 2019.
Where is William Ash located?
William Ash practices at 5671 Peachtree Dunwoody Rd Ste 610, Atlanta, GA 30342. The listed phone number is (404) 257-1415.
What is William Ash's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is William Ash enrolled in Medicare?
Yes. William Ash 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 William Ash's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Ash reassigns Medicare benefits to 3 organizations: Gi Anesthesia Of Georgia LLC (Gainesville, GA), Coastal Ambulatory Anesthesia LLC (Savannah, GA) and Anesthesia Dynamics LLC (Bradenton, 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 William Ash's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Ash accept?
Health plans from Oscar Insurance Company list William Ash as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for William Ash was last updated on November 7, 2019. 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.
# William Ronan Ash · NPI 1780229310
Nurse Anesthetist, Certified Registered physician in Atlanta, Georgia. Individual provider, active in the CMS NPPES registry since November 7, 2019.
## Identity
- **NPI:** 1780229310 (Entity type: Individual)
- **Enumerated:** November 7, 2019
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 240715 (Georgia)
- **Sole proprietor:** No
## Practice location
- **Address:** 5671 PEACHTREE DUNWOODY RD STE 610, Atlanta, GA 30342-5013
- **Phone:** (404) 257-1415
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Gi Anesthesia Of Georgia LLC (NPI 1326569187, Gainesville, GA); Coastal Ambulatory Anesthesia LLC (NPI 1750753786, Savannah, GA); Anesthesia Dynamics LLC (NPI 1073001012, Bradenton, FL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** November 7, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1780229310) · Data from the CMS NPPES public registry.