DR. FIONA ZWALD MD
NPI 1487768883
Dermatology in Gainesville, GA

Active since August 19, 2006PECOS EnrolledAccepts Medicare Assignment
97.58/100
CMS Quality Rating
974 S ENOTA DR NE, GAINESVILLE, GA 30501(770) 536-7546 Get Directions Write a Review

NPPES record last updated: July 10, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 10, 2023, Nov 21, 2022, Feb 22, 2021 and 1 more (4 updates tracked since 2016).

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

NPI1487768883
Entity TypeIndividualFemale
Primary Taxonomy207N00000X
Provider Legal NameDR. FIONA ZWALDCredential: MD
Location Address974 S ENOTA DR NEGainesville, GA 30501-2429
Mailing AddressPo Box 110429Aurora, CO 80042-0429
Sole ProprietorNo
Medical School CMSOtherGraduated 1990
Enumeration DateAugust 19, 2006
Last NPPES UpdateJuly 10, 20234 updates tracked since enumeration
NPPES CertifiedJuly 10, 2023
✔ NPI 1487768883 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians
Taxonomy Code207N00000X
Licenses✔ Licensed in CO · DR.0064920✔ Licensed in GA · 0050418
Definition
A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.
Also ListedDermatology · MOHS-Micrographic SurgeryTaxonomy 207ND0101X · License 50418 (GA)
974 S ENOTA DR NE, Gainesville, GA 30501

Other Names 1

Other Name (5)Dr. Fiona Mary O'reilly Md

Secondary Practice Locations 2

Location 12045 PEACHTREE NERD 200ATLANTA, GA 30309-1497 · Phone (404) 351-7546 ext. 323 · Fax (404) 352-4706
Location 21665 Aurora CtAurora, CO 80045-2517 · Phone (720) 848-0000

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.

PECOS PAC ID4082619606
PECOS Enrollment IDI20201016002278
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

5

Medicare 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.

Same address
Specialist
974 S ENOTA DR NE
Gainesville, GA 30501
  • Reassigned Medicare billing, Georgia enrollment
  • 35 clinicians in this Medicare group
Dermatology
3280 HOWELL MILL RD NW STE 211
Atlanta, GA 30327
  • Reassigned Medicare billing, Georgia enrollment
  • Medicare enrollment name: Dermatology Consultants PC
  • 18 clinicians in this Medicare group
Obstetrics & Gynecology
4125 BRIARGATE PKWY UNIT 350
Colorado Springs, CO 80920
  • Reassigned Medicare billing, Colorado enrollment
  • 4,283 clinicians in this Medicare group
Dermatology
501 S CHERRY ST STE 310
Glendale, CO 80246
  • Reassigned Medicare billing, Colorado enrollment
  • 4 clinicians in this Medicare group
Dermatology
3455 S YARROW ST
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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
186 services157 patients
Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks 17311
This procedure involves the careful removal of a growth from the head, neck, hands, or feet. The removed tissue, divided into 1-5 blocks, is then examined under a microscope to study its characteristics and determine the nature of the growth.
137 services116 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
74 services74 patients
Destruction of precancer skin growth, 2-14 growths 17003
This procedure involves removing 2-14 precancerous skin growths. The growths are treated to prevent them from potentially developing into skin cancer. The process is safe, with minimal discomfort, and promotes healthier skin.
66 services40 patients
Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks 17312
This procedure involves the careful removal of abnormal growths from the head, neck, hands, or feet. The removed tissues, divided into 1-5 blocks, are then examined under a microscope to identify any irregularities. The process may be carried out in multiple stages for thorough examination.
66 services45 patients
Destruction of precancer skin growth, 1 growth 17000
"Destruction of precancer skin growth" is a procedure that eliminates a single precancerous skin growth. This is done to prevent it from developing into skin cancer. The growth may be removed using various methods such as cryotherapy (freezing), laser therapy, or topical medications.
49 services46 patients

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.

New Patient
$83.23 typical visit price
range $53.31 – $164.04
Typical copayment $20.80 (range $13.32 – $41.01)
Most-billed visit code 99203
Established Patient
$66.89 typical visit price
range $16.68 – $133.24
Typical copayment $16.72 (range $4.17 – $33.31)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

97.58/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality86.53
Promoting Interoperability100
Improvement Activities40

Reported Quality Measures

Care Plan
Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…
100%43 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

Dermatology
974 S ENOTA DR NE
GAINESVILLE, GA 30501
Specialist
974 S ENOTA DR NE
GAINESVILLE, GA 30501
Physician Assistant (Medical)
974 S ENOTA DR NE
GAINESVILLE, GA 30501
Nurse Practitioner
974 S ENOTA DR NE
GAINESVILLE, GA 30501
Physician Assistant
974 S ENOTA DR NE
GAINESVILLE, GA 30501
Specialist
974 S ENOTA DR NE
GAINESVILLE, GA 30501
Nurse Practitioner (Family)
974 S ENOTA DR NE
GAINESVILLE, GA 30501

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.