Physician Profile
Unclaimed ProfileAbout GILBOY
John William Gilboy, MD is a healthcare provider in South Portland, ME specializing in internal medicine. John trained at Tufts University School of Medicine, graduating in 2018. John is also listed as specializing in pulmonary disease. Medicare claims data shows John provided 99 services to 85 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (207) 828-1122
- Email not available
Practice Locations
CHEST MEDICINE ASSOCIATES 100 FODEN ROAD SUITE 103
South Portland, ME 04106
Procedures Most Often Billed to Medicare
99 services · 85 patients · 4 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Critical care, first 30-74 minutes | Office visit | 99291 |
42 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
26 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
20 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
11 |
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 internal medicines in South Portland 8
Same specialty, same city.
Trained at Tufts University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2018 at Tufts University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Dr. Gilboy specialize in?
Dr. Gilboy is an internal medicine in South Portland, ME. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Where is Dr. Gilboy located?
Dr. Gilboy is listed at CHEST MEDICINE ASSOCIATES 100 FODEN ROAD SUITE 103, South Portland, ME 04106. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Gilboy's phone number?
The number on file is (207) 828-1122. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Gilboy?
Dr. Gilboy's National Provider Identifier is 1093210171. 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
Where did Dr. Gilboy go to medical school?
Dr. Gilboy attended Tufts University School of Medicine, graduating in 2018. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Gilboy have?
Dr. Gilboy has 8 years experience. Calculated from a graduation year of 2018, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Gilboy do most often?
According to Medicare billing data, Dr. Gilboy 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 Dr. Gilboy's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Gilboy. If this is you, claiming it is free.
Guide.md
Is this your profile?
Verify your identity to control how patients — and AI assistants — describe you.
Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.