Kathleen Webb Mackey, PA-C
Physician Assistant · Marietta, GA
Kathleen Webb Mackey, PA-C is a physician assistant with a practice address in Marietta, Georgia, and NPI 1932104999, issued on Jun 16, 2005. Check the license (Georgia 004025, as entered in NPPES) with the Georgia board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kathleen Webb Mackey
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 004025 GA
Self-reported in NPPES; status is on the state search - Practice location
- 340 Kennestone Hospital Blvd Ste 100, Marietta, GA 30060
- Phone
- (770) 281-5100
- Enumerated
- Jun 16, 2005
- Record last updated
- Jan 3, 2023
- Fax
- (678) 581-7100
- Medicare enrollment
- Enrolled (PECOS I20090204000332); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,662 in Georgia → Look up another NPI →
Also registered at 340 Kennestone Hospital Blvd Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Kathleen Webb Mackey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Georgia board licenses this profession
Search for license 004025Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average physician assistant in 2024
24 Medicare Part D claims for 11 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 92.9 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $890.03
40 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Wellstar Medical Group LLCRoswell, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kathleen Webb Mackey among 4,662 physician assistant records in Georgia
Kathleen Webb Mackey, PA-C is one of 4,662 physician assistant records with a practice address in Georgia. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 97% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2002 · median 2018 among the 2,761 with a school on file
- Record last updated2023 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
209 physician assistant records list a practice address in Marietta
They are 209 of the 6,900 NPPES records with a practice address in Marietta, and 4,662 physician assistant records in Georgia.
All 4,662 in Georgia → Every provider in Marietta → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Windy Bernard, PA-CMarietta, GA 300601487698957
- Bruno Grillo, PA-CMarietta, GA 300601457435133
- Peter Hairston, PA-CMarietta, GA 300601386633832
- Erika Hammond, PAMarietta, GA 300601114996295
- Susan Hollander, PA-CMarietta, GA 300601891770327
- Carrie Huebner, PA-CMarietta, GA 300601407814742
- Jon Khoury, PAMarietta, GA 300601154424463
- Lam Phan, PAMarietta, GA 300601538114582
Common questions
What is Kathleen Webb Mackey, PA-C's NPI number?
Kathleen Webb Mackey, PA-C's National Provider Identifier (NPI) is 1932104999, issued on Jun 16, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Kathleen Webb Mackey, PA-C located?
The NPPES record lists a practice address at 340 Kennestone Hospital Blvd Ste 100, Marietta, GA, 30060. Phone: (770) 281-5100. Providers update this record themselves, so call before visiting.
How can I verify Kathleen Webb Mackey, PA-C's license?
NPPES lists Georgia license number 004025, as entered by the provider. Search the Georgia board that licenses this profession; the NPPES record confirms identity only.
How much does Kathleen Webb Mackey, PA-C prescribe under Medicare Part D?
In 2024, Kathleen Webb Mackey, PA-C had 24 Medicare Part D claims for 11 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Kathleen Webb Mackey, PA-C's MIPS final score?
The 2023 MIPS final score is 92.9 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.