Thomas Mellow, M.D.
Pediatric Pulmonology Physician · South Portland, ME
Thomas Mellow, M.D. is a pediatric pulmonology physician with a practice address in South Portland, Maine, and NPI 1003846361, issued on Jul 3, 2006. Check the license (Maine 016021, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Thomas Mellow
- Credential
- M.D.
- Primary taxonomy
- Pediatric Pulmonology Physician 2080P0214X
- License number
- 016021 ME
Self-reported in NPPES; status is on the state search - Practice location
- 100 Foden RD Ste 103, South Portland, ME 04106
- Phone
- (207) 828-1122
- Enumerated
- Jul 3, 2006
- Record last updated
- Mar 24, 2026
- Fax
- (207) 828-0188
- Medicaid IDs
- 30203388 NH
331790099 ME - Medicare enrollment
- Enrolled (PECOS I20050607000256); accepts Medicare assignment
- Medical or professional school
- University Of Virginia School Of Medicine, 1992
- Entity
- Type 1 · individual
4 nearest pediatric pulmonology physician records → All 5 in Maine → Look up another NPI →
Also registered at 100 Foden RD Ste 103
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Adam Alter, MDPulmonary Disease Physician1437478138
- Daniel Bulanowski, M.D.Pulmonary Disease Physician1508246620
- Jonathan Evans, M.D.Pulmonary Disease Physician1568460640
- Colman Hatton, MDCritical Care Medicine (Internal Medicine) Physician1194178616
- Joshua Hughes, PA-CPhysician Assistant1780463208
- Michael JaegerPulmonary Disease Physician1194189753
Verify Thomas Mellow in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license 016021Check 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): 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).
Bills Medicare through one group practice
- Chest Medicine Associates PASouth Portland, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Pediatric Pulmonology Physician providers in Maine
There are 5 pediatric pulmonology physician records in Maine.
All 5 in Maine → Every provider in South Portland → Pediatric Pulmonology Physician nationwide →
The 4 pediatric pulmonology physician records with the nearest ZIP codes
- Anne Coates, M.D.Portlanad, ME 041021043417116
- Lilah Melzer, DOPortland, ME 041021215496161
- Ina St. Onge, DOPortland, ME 041021730591074
- Colby Wyatt, MD PHDPortland, ME 041021073788956
Common questions
What is Thomas Mellow, M.D.'s NPI number?
Thomas Mellow, M.D.'s National Provider Identifier (NPI) is 1003846361, issued on Jul 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Mellow, M.D. located?
The NPPES record lists a practice address at 100 Foden RD Ste 103, South Portland, ME, 04106. Phone: (207) 828-1122. Providers update this record themselves, so call before visiting.
How can I verify Thomas Mellow, M.D.'s license?
NPPES lists Maine license number 016021, 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.
What is Thomas Mellow, M.D.'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.