Kathryn Hess Libby
Pulmonary Disease Physician · South Portland, ME
Kathryn Hess Libby is a pulmonary disease physician with a practice address in South Portland, Maine, and NPI 1689109423, issued on May 1, 2017. Check the license (Maine MD27841, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Kathryn Hess Libby
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- MD27841 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
- May 1, 2017
- Record last updated
- Jun 27, 2024
- Medicare enrollment
- Enrolled (PECOS I20240725002650); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 83 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 Kathryn Hess Libby in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license MD27841Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average pulmonary disease physician in 2024
217 Medicare Part D claims for 60 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 44% of claims.
Most prescribed
- Trelegy Ellipta35 claims
- Montelukast Sodium31 claims
- Fluticasone Propionate24 claims
- Albuterol Sulfate Hfa23 claims
- Fluticasone-Salmeterol13 claims
- Spiriva Respimat12 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 3 group practices
- Chest Medicine Associates PASouth Portland, ME
- MainehealthLivermore Falls, ME
- Mercy HospitalPortland, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kathryn Hess Libby among 83 pulmonary disease physician records in Maine
Kathryn Hess Libby 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 2017, is newer than 90% of them.
- NPI issued2017 · 90% of these records are older, 4% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2017 · median 2002 among the 56 with a school on file
- Record last updated2024 · 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 Kathryn Hess Libby's NPI number?
Kathryn Hess Libby's National Provider Identifier (NPI) is 1689109423, issued on May 1, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Kathryn Hess Libby 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 Kathryn Hess Libby's license?
NPPES lists Maine license number MD27841, 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 Kathryn Hess Libby prescribe under Medicare Part D?
In 2024, Kathryn Hess Libby had 217 Medicare Part D claims for 60 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.