DR. FIONA ZWALD MD
NPI 1487768883
Dermatology in Gainesville, GA
About Dr. Fiona Zwald Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. FIONA ZWALD MD (NPI 1487768883) is an individual dermatology provider in Gainesville, Georgia, licensed in Colorado (DR.0064920) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (1990).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Secondary Practice Locations 2
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
Dr. Fiona Zwald 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
5Medicare enrollment records show Fiona Zwald reassigns Medicare billing to 5 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
- 35 clinicians in this Medicare group
Atlanta, GA 30327
- Reassigned Medicare billing, Georgia enrollment
- Medicare enrollment name: Dermatology Consultants PC
- 18 clinicians in this Medicare group
Colorado Springs, CO 80920
- Reassigned Medicare billing, Colorado enrollment
- 4,283 clinicians in this Medicare group
Glendale, CO 80246
- Reassigned Medicare billing, Colorado enrollment
- 4 clinicians in this Medicare group
Lakewood, CO 80227
- Reassigned Medicare billing, Colorado enrollment
- 16 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 19
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 30501 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Other Providers at the Same Location NPPES 7
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 Fiona Zwald's NPI number?
The NPI number for Fiona Zwald is 1487768883. It was assigned to this individual provider in the NPPES registry on August 19, 2006. The provider is also known as Dr. Fiona Mary O'reilly MD.
Where is Fiona Zwald located?
Fiona Zwald practices at 974 S Enota Dr NE, Gainesville, GA 30501. The listed phone number is (770) 536-7546.
What is Fiona Zwald's specialty?
The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.
Is Fiona Zwald enrolled in Medicare?
Yes. Fiona Zwald 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 Fiona Zwald's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Fiona Zwald reassigns Medicare benefits to 5 organizations: Metroderm, P.C. (Gainesville, GA), Dermatology Consultants, P.C. (Atlanta, GA), University Physicians Incorporated (Colorado Springs, CO), Samantha Ghiselli MD PLLC (Glendale, CO) and Center For Advanced Dermatology LLC (Lakewood, CO). 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 Fiona Zwald's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Fiona Zwald accept?
Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee list Fiona Zwald 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 Fiona Zwald was last updated on July 10, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.