Gregory Davis Mackay, M.D.
Gastroenterology Physician · Vero Beach, FL
Gregory Davis Mackay, M.D. is a gastroenterology physician with a practice address in Vero Beach, Florida, and NPI 1346277613, issued on Jun 26, 2006. Check the license (Florida ME 60347, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Gregory Davis Mackay
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- ME 60347 FL
Self-reported in NPPES; status is on the state search - Practice location
- 3745 11TH Cir, Vero Beach, FL 32960
- Phone
- (772) 299-3211
- Enumerated
- Jun 26, 2006
- Record last updated
- Jan 22, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (772) 299-3517
- Medicaid ID
- O55359000 FL
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,513 in Florida → Look up another NPI →
Also registered at 3745 11TH Cir
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gregory Davis Mackay in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license ME 60347Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 89.9 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).
Gregory Davis Mackay among 1,513 gastroenterology physician records in Florida
Gregory Davis Mackay, M.D. is one of 1,513 gastroenterology physician records with a practice address in Florida. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 17% of them.
- NPI issued2006 · 17% of these records are older, 45% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileNo · 76% of these records are
- Record last updated2018 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Florida
There are 1,513 gastroenterology physician records in Florida.
All 1,513 in Florida → Every provider in Vero Beach → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Michelle Botti, MDVero Beach, FL 329601922538800
- Ashley CanipeVero Beach, FL 329601164680641
- Charles Eberhart, M.D.Vero Beach, FL 329601255367660
- Nicholas Golden, M.D.Vero Beach, FL 329601619978343
- Bruce Grossman, MDVero Beach, FL 329601851359731
- Alec Lui, MDVero Beach, FL 329601871671727
- William McCormack, M.D., PAVero Beach, FL 329601922102292
- Phuong Nguyen, MDVero Beach, FL 329601528529567
Common questions
What is Gregory Davis Mackay, M.D.'s NPI number?
Gregory Davis Mackay, M.D.'s National Provider Identifier (NPI) is 1346277613, issued on Jun 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Davis Mackay, M.D. located?
The NPPES record lists a practice address at 3745 11TH Cir, Vero Beach, FL, 32960. Phone: (772) 299-3211. Providers update this record themselves, so call before visiting.
How can I verify Gregory Davis Mackay, M.D.'s license?
NPPES lists Florida license number ME 60347, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Gregory Davis Mackay, M.D.'s MIPS final score?
The 2023 MIPS final score is 89.9 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.