John William Gilboy, MD
Pulmonary Disease Physician · South Portland, ME
John William Gilboy, MD is a pulmonary disease physician with a practice address in South Portland, Maine, and NPI 1093210171, issued on Mar 29, 2018. Check the license (Maine MD28023, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- John William Gilboy
- Credential
- MD
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- MD28023 ME
Self-reported in NPPES; status is on the state search - Practice location
- Chest Medicine Associates, South Portland, ME 04106
- Phone
- (207) 828-1122
- Enumerated
- Mar 29, 2018
- Record last updated
- Jan 7, 2025
- Medicare enrollment
- Enrolled (PECOS I20240624004562); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 2018
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 83 in Maine → Look up another NPI →
Verify John William Gilboy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license MD28023Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average pulmonary disease physician in 2024
161 Medicare Part D claims for 46 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 65% of claims.
Most prescribed
- Trelegy Ellipta46 claims
- Incruse Ellipta15 claims
- Omeprazole15 claims
- Anoro Ellipta14 claims
- Prednisone14 claims
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.
Bills Medicare through 2 group practices
- Chest Medicine Associates PASouth Portland, ME
- Mercy HospitalPortland, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John William Gilboy among 83 pulmonary disease physician records in Maine
John William Gilboy, MD is one of 83 pulmonary disease physician records with a practice address in Maine. 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 2018, is newer than 96% of them.
- NPI issued2018 · 96% of these records are older, 2% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2018 · median 2002 among the 56 with a school on file
- Record last updated2025 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
24 pulmonary disease physician records list a practice address in South Portland
They are 24 of the 1,143 NPPES records with a practice address in South Portland, and 83 pulmonary disease physician records in Maine.
All 83 in Maine → Every provider in South Portland → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Peter Bates, M.D.South Portland, ME 041061649203373
- George Bokinsky, M.D.South Portland, ME 041061568574853
- Jonathan Evans, M.D.South Portland, ME 041061568460640
- Stephen Gorman, D.O.South Portland, ME 041061811931876
- M. Knauft, M.D.South Portland, ME 041061316040538
- Stephen Mette, M.D.South Portland, ME 041061134231418
- Luke Pluto, M.D.South Portland, ME 041061851350854
- Richard Riker, M.D.South Portland, ME 041061972615235
Common questions
What is John William Gilboy, MD's NPI number?
John William Gilboy, MD's National Provider Identifier (NPI) is 1093210171, issued on Mar 29, 2018. An NPI identifies a provider in billing; it is not a license.
Where is John William Gilboy, MD located?
The NPPES record lists a practice address at Chest Medicine Associates, South Portland, ME, 04106. Phone: (207) 828-1122. Providers update this record themselves, so call before visiting.
How can I verify John William Gilboy, MD's license?
NPPES lists Maine license number MD28023, as entered by the provider. Search the Maine Board of Licensure in Medicine at https://www.maine.gov/md/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John William Gilboy, MD prescribe under Medicare Part D?
In 2024, John William Gilboy, MD had 161 Medicare Part D claims for 46 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.
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.