Margi Mckellar, PA-C
NPI 1902076433 · Medical Physician Assistant · Atlanta, GA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margi Mckellar, PA-C is a Medical Physician Assistant provider in Atlanta, GA (NPI 1902076433).
Provider details
- NPI number
- 1902076433
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- 005273 (GA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
196 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 73 | $14 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 66 | $68 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 22 | $100 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 19 | $56 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 16 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-03-12
- Last updated
- 2011-09-15
Frequently asked questions
- What is Margi Mckellar's NPI number?
- Margi Mckellar's National Provider Identifier (NPI) is 1902076433, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margi Mckellar's specialty?
- Margi Mckellar is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Margi Mckellar located?
- Margi Mckellar's practice location on file with NPPES is 1365 Clifton Rd Ne, Atlanta, GA 30322-1013.
- What is Margi Mckellar's phone number?
- The practice phone number listed in the NPPES registry for Margi Mckellar is (404) 778-1900.
- Does Margi Mckellar accept Medicare?
- Margi Mckellar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margi Mckellar's NPI active?
- Yes — Margi Mckellar's NPI (1902076433) is active in the NPPES registry as of the last update on 2011-09-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.