Alan Kilby, MD
Gastroenterology Physician · Portland, ME
Alan Kilby, MD is a gastroenterology physician with a practice address in Portland, Maine, and NPI 1558456442, issued on Oct 4, 2006. Check the license (Maine 012088, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Alan Kilby
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 012088 ME
Self-reported in NPPES; status is on the state search - Practice location
- 161 Marginal Way, Portland, ME 04101
- Phone
- (207) 773-7964
- Enumerated
- Oct 4, 2006
- Record last updated
- Sep 8, 2022
- Fax
- (207) 773-9073
- Medicaid ID
- 294890099 ME
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 86 in Maine → Look up another NPI →
Also registered at 161 Marginal Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Noemi Baffy, MDGastroenterology Physician1164710075
- Richard Bazarian, MDRetina Specialist (Ophthalmology) Physician1891791455
- Fernando Calmet, M.D.Gastroenterology Physician1659690956
- Melanie Connors, FNPFamily Nurse Practitioner1497881833
- Vicki Cook, NP-CNurse Practitioner1548820384
- John Erkkinen, M.D.Gastroenterology Physician1154429918
Verify Alan Kilby in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license 012088Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average gastroenterology physician in 2024
22 Medicare Part D claims, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 73% of 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.
The MIPS final score for 2023 (Medicare payment program): 98.1 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).
Alan Kilby among 86 gastroenterology physician records in Maine
Alan Kilby, MD is one of 86 gastroenterology physician records with a practice address in Maine. 80% 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 15% of them.
- NPI issued2006 · 15% of these records are older, 44% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 71% of these records are
- Record last updated2022 · 41% 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 Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Maine
There are 86 gastroenterology physician records in Maine.
All 86 in Maine → Every provider in Portland → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Noemi Baffy, MDPortland, ME 041011164710075
- Fernando Calmet, M.D.Portland, ME 041011659690956
- John Erkkinen, M.D.Portland, ME 041011154429918
- Joshua Goldman, M.D.Portland, ME 041011558396523
- Douglas Howell, MDPortland, ME 041011902904758
- Kate Kennedy, MDPortland, ME 041011134325806
- Thalia Mayes, M.D.Portland, ME 041011033126826
- Gordon Millspaugh, M.D.Portland, ME 041011114025988
Common questions
What is Alan Kilby, MD's NPI number?
Alan Kilby, MD's National Provider Identifier (NPI) is 1558456442, issued on Oct 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Alan Kilby, MD located?
The NPPES record lists a practice address at 161 Marginal Way, Portland, ME, 04101. Phone: (207) 773-7964. Providers update this record themselves, so call before visiting.
How can I verify Alan Kilby, MD's license?
NPPES lists Maine license number 012088, 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 Alan Kilby, MD prescribe under Medicare Part D?
In 2024, Alan Kilby, MD had 22 Medicare Part D claims; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Alan Kilby, MD's MIPS final score?
The 2023 MIPS final score is 98.1 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.