OmentumPlastic Surgery ProceduresPostoperative Complications
Dr. Gregory J. MacKay, MD
NPI1386686491PAC ID9638107105
- Medicare services, 2019
- 16
- Part D claims, 2024
- 97
- Publications
- 8
- Hospital affiliations
- 1
- Industry payments
- $24,539
- Practice address
- 1000 Johnson Ferry Road, NE, Atlanta, GA 30342
- Practice phone
- Call (404) 851-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. MacKay's professional email, personal email and mobile number
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Dr. Gregory J. MacKay is a plastic surgeon in Atlanta, Georgia
Dr. MacKay practices at Northside Hospital Atlanta in Atlanta, Georgia, part of Northside Hospital.
Dr. MacKay's NPI, 1386686491, was assigned on June 12, 2006. Dr. MacKay graduated from Medical University of South Carolina (MUSC) in 1987. Dr. MacKay's Georgia license number on file is 032241.
NPI and contact details
- NPI
- 1386686491NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9638107105
- NPI enumeration date
- June 12, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (404) 851-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory J. MacKay practices at Northside Hospital Atlanta in Atlanta, Georgia
Dr. MacKay's primary practice is Northside Hospital Atlanta, at 1000 Johnson Ferry Road, NE, Atlanta, GA 30342 in Fulton County. The practice phone is (404) 851-8000.
- Northside Hospital Atlanta1000 Johnson Ferry Road, NE, Atlanta, GA 30342 · Fulton CountyPhone(404) 851-8000
Source: Dmand AI Affiliation Data
Dr. Gregory J. MacKay is affiliated with 4 sites of care and 3 medical groups
Dr. MacKay's primary practice is Northside Hospital Atlanta in Atlanta, Georgia, part of Northside Hospital. The medical group on file is Northside Hospital. Dmand AI also links Dr. MacKay to 3 more group practices and clinics and 2 medical groups, each named with a free account.
Northside Hospital3 group practices and clinicsNames with a free account2 medical groupsNames with a free account
See all 7 affiliations for Dr. MacKaySources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gregory J. MacKay's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. MacKay practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northside Hospital Atlanta | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory J. MacKay is one of 158 plastic surgeons in Georgia
Plastic surgery is Dr. MacKay's primary specialty in the NPI Registry, under taxonomy code 208200000X. Dr. MacKay is board certified in plastic surgery by the American Board of Plastic Surgery. Dmand AI has Dr. MacKay's licenses on file in 5 states: Georgia, Utah, Arizona, North Carolina and Pennsylvania.
Specialties and state licenses
- Plastic surgery, GeorgiaPrimary
- Utah license
- Arizona license
- North Carolina license
- Pennsylvania license
Clinical focus
Dmand AI lists breast reconstruction among the conditions Dr. MacKay treats.
Plastic surgeons near Dr. MacKay
Counts of plastic surgeons with a Dmand AI profile, by place and practice. Each opens the list.
158plastic surgeons in Georgia58plastic surgeons in Atlanta22plastic surgeons at Northside Hospital Atlanta
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Gregory J. MacKay billed Medicare for 16 services in 2019
CMS data shows 16 Medicare services from Dr. MacKay across 1 procedure code in 2019, all of them office visits. Medicare paid $1,836 for them. Every service was in an office.
Medicare services, 201916
Paid by Medicare$1,836
Procedure codes1
Dr. MacKay's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Office and hospital visits
- 2018: 292019: 1645%
Dr. MacKay compared with the Georgia median for plastic surgeons, 2019
- Dr. MacKay
- Georgia median
- Medicare services
- 16vs 5269% below
- Part D claims
- 22vs 6164% below
Medians across 129 plastic surgeons in Georgia with Dmand AI profiles that report each measure.
Dr. MacKay's most billed Medicare procedure codes, 2019
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. MacKay?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. MacKay and other plastic surgeons in Georgia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory J. MacKay's patients have a median age of 50
Across all payers, Dmand AI patient panel data puts Dr. MacKay's median patient age at 50, with 88% women.
Dr. MacKay's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 50
Patient panel by sex, all payers
- Women88%
- Men12%
Source: Dmand AI Patient Panel Data
Dr. Gregory J. MacKay wrote 97 Medicare Part D claims in 2024
In 2024, Dr. MacKay wrote 97 Medicare Part D claims for 33 patients. 95% of them were for generic drugs. CMS names the drug for 22 of them, across 2 drugs with 11 or more claims each, at $40 in total drug cost. In 2023, CMS named 26 claims across 2 drugs.
Part D claims, 202497
Drugs named by CMS2
Total drug cost$40
Part D patients33
Dr. MacKay's Part D claims by kind of drug, 2024
- Generic92 claims95%
- Brand-name and other5 claims5%
Dr. MacKay's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. MacKay's Part D claims, 2024
- Opioids23%22 of 97 claims
- Antibiotics15%15 of 97 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 262024: 2215%
Drugs named by CMS: 2 in 2024, 2 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Gregory J. MacKay takes part in Medicare
Dr. MacKay accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Mastectomy: 1 to 10 procedures (CMS shows small counts as a range)
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Gregory J. MacKay has 8 publications on record
Dmand AI links 8 papers to Dr. MacKay. The most frequent topics are Liver Circulation, Portal Vein and Hepatic Artery. Dr. MacKay has published most often in Ann Surg. Dr. MacKay's most frequent co-authors are Grant W. Carlson, MD, Jaimie MacDonald Henderson, MD and Alan B. Lumsden, MD.
Papers8
Topics Dr. MacKay writes about most
- Liver Circulation
- Portal Vein
- Hepatic Artery
- Surgical Flaps
- Blood Pressure
- Breast Neoplasms
- Denervation
- Liver
Dr. MacKay's most frequent co-authors
- Grant W. Carlson, MD2 shared papers
- Jaimie MacDonald Henderson, MD2 shared papers
- Alan B. Lumsden, MD2 shared papers
Recent publications by Dr. MacKay
Blood PressureDenervationHemodynamics
Blood Flow VelocityDenervationHepatic Artery
Breast NeoplasmsFat NecrosisMammaplasty
Blood VolumeGalactoseHepatic Artery
See who Dr. MacKay researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. MacKay works with, so you can find a warm path to the right plastic surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Gregory J. MacKay received $24,539 in industry payments from 2016 to 2025
CMS Open Payments shows 445 general payments to Dr. MacKay from 22 drug and device companies from 2016 to 2025. Gifts make up the largest share, 58% of the total. Allergan Inc. paid the most, $16,083.
General payments to Dr. MacKay by program year, 2016 to 2025
General payments to Dr. MacKay by kind, 2016 to 2025
$24.5Kin total
- Gifts$14,26158%
- Food and beverage$8,85036%
- Travel and lodging$1,4286%
Companies that paid Dr. MacKay the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gregory J. MacKay has 3 awards and honors on record
Dmand AI lists 3 awards for Dr. MacKay, most recently Regional Top Doctor in 2023.
Awards and honors for Dr. MacKay
- 2023
- Regional Top Doctor
- Undated
- Checkbook Top Doc
- Super Doc
Source: Dmand AI Professional Profile Data
Dr. Gregory J. MacKay graduated from Medical University of South Carolina (MUSC)
Dr. MacKay graduated from Medical University of South Carolina (MUSC) in 1987. Dr. MacKay is a member of ASPS.
- Medical school
- Board certified in plastic surgery
Source: Dmand AI Professional Profile Data
Dr. Gregory J. MacKay accepts plans from 9 insurance carriers
Dr. MacKay is in network with 9 carriers, including Aetna, Cigna and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- Cigna
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Humana
- Regence Health Plans
- CMS Medicare
- GA State Medicaid
- +1 more carriersWith a free account
Plan types Dr. MacKay accepts, by number of carriers
- Medicare7
- PPO7
- HMO2
- EPO1
- Medicaid1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Gregory J. MacKay's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Gregory J. MacKay
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Gregory J. MacKay's NPI number?
Dr. Gregory J. MacKay's NPI number is 1386686491. It was assigned on June 12, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory J. MacKay?
Dr. Gregory J. MacKay is a plastic surgeon in Atlanta, Georgia. The primary specialty in the NPI Registry is Plastic Surgery Physician (taxonomy code 208200000X).
Where does Dr. Gregory J. MacKay practice?
Dr. MacKay practices at 1000 Johnson Ferry Road, NE, Atlanta, GA 30342. Dr. MacKay's primary practice is Northside Hospital Atlanta in Atlanta, Georgia, part of Northside Hospital. Dmand AI also links Dr. MacKay to 3 group practices and clinics and 2 medical groups.
What is Dr. Gregory J. MacKay's office phone number?
The practice phone on file for Dr. MacKay is (404) 851-8000.
What is Dr. Gregory J. MacKay's medical license number?
Dr. MacKay's Georgia license number on file is 032241, one of the licenses on file in 5 states.
Which states has Dr. Gregory J. MacKay been licensed in?
Dmand AI has state licenses on file for Dr. MacKay in Georgia (1989 to 2025), Utah (2024 to 2026), Arizona (1998 to 2011), North Carolina (1996 to 2008) and Pennsylvania (1995 to 1996).
Which hospitals is Dr. Gregory J. MacKay affiliated with?
Dr. MacKay practices at Northside Hospital Atlanta in Atlanta, Georgia.
What medical group is Dr. Gregory J. MacKay part of?
Dr. MacKay is linked to Northside Hospital. Dmand AI links Dr. MacKay to 2 more medical groups.
Does Dr. Gregory J. MacKay accept Medicare?
Yes. CMS data shows Dr. MacKay billed Medicare for 16 services in 2019, and Dr. MacKay accepts Medicare assignment.
Is Dr. Gregory J. MacKay board certified?
Yes. Dr. MacKay is board certified in plastic surgery by the American Board of Plastic Surgery.
Show 8 more questionsShow fewer questions
What services does Dr. Gregory J. MacKay bill to Medicare?
In 2019, Dr. MacKay's most billed Medicare services were office visit, new patient (99204).
Where did Dr. Gregory J. MacKay go to medical school?
Dr. MacKay graduated from Medical University of South Carolina (MUSC) in 1987.
What drugs does Dr. Gregory J. MacKay prescribe most?
In 2024 Medicare Part D data, Dr. MacKay's most prescribed drugs by claims were Alprazolam and Oxycodone HCl.
Has Dr. Gregory J. MacKay received payments from drug or device companies?
CMS Open Payments shows $24,539 in general payments to Dr. MacKay from 22 companies from 2016 to 2025. The largest total came from Allergan Inc.
How long has Dr. Gregory J. MacKay been practicing?
Dr. MacKay graduated from medical school in 1987, 39 years ago.
Does Dr. Gregory J. MacKay do research?
Dmand AI links 8 publications to Dr. MacKay.
Who does Dr. Gregory J. MacKay publish with?
Dr. MacKay's most frequent co-authors are Grant W. Carlson, MD (2 shared papers), Jaimie MacDonald Henderson, MD (2 shared papers) and Alan B. Lumsden, MD (2 shared papers).
What insurance does Dr. Gregory J. MacKay accept?
Dr. MacKay is in network with 9 carriers, including Aetna, Cigna and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
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