Are you Gregory D. Mackay, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 3745 11Th Cir, Suite 101, Vero Beach, FL 32960
About Dr. Mackay
Based in Vero Beach, FL, Gregory D. Mackay, M.D. is listed in the NPI registry under gastroenterology. According to Medicare claims data, the services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes. NPI 1346277613 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (772) 299-3211
- Email not available
Practice Locations
3745 11TH CIR SUITE 101
Vero Beach, FL 32960
Conditions Commonly Evaluated or Treated
Within Gastroenterology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Acid reflux
- Celiac disease
- Crohn's disease
- Hemorrhoids
- IBS
- Swallowing difficulties
- Ulcerative colitis
Biliary and pancreas
Colon and anorectal
Esophagus and swallowing
Functional bowel and motility
Liver
- Ascites
- Autoimmune hepatitis
- Cirrhosis
- Fatty liver disease
- Hemochromatosis
- Hepatitis B
- Hepatitis C
- Portal hypertension
Stomach and duodenum
Bowel & Colon
Digestive Symptoms
Gallbladder & Bile Ducts
Procedures & services
Most searched procedures
Lower endoscopy
Upper endoscopy
Capsule and physiology testing
Diagnostic Testing
Liver procedures
Treatments
Procedures Most Often Billed to Medicare
22 services · 16 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
22 | Less often than most peers in Gastroenterology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other gastroenterologists at this location 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 3
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 5 related providers in 1 group
Common questions
What does Gregory D. Mackay specialize in?
Gregory D. Mackay is a gastroenterologist in Vero Beach, FL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
Where is Gregory D. Mackay located?
Gregory D. Mackay is listed at 3745 11Th Cir Suite 101, Vero Beach, FL 32960. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Gregory D. Mackay's phone number?
The number on file is (772) 299-3211. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Gregory D. Mackay?
Gregory D. Mackay's National Provider Identifier is 1346277613. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
How much experience does Gregory D. Mackay have?
Gregory D. Mackay has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What does Gregory D. Mackay do most often?
According to Medicare billing data, Gregory D. Mackay the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Gregory D. Mackay's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Gregory D. Mackay. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.