Donald A. Mahler, M.D.
Pulmonary Disease Physician · Lebanon, NH
Donald A. Mahler, M.D. is a pulmonary disease physician with a practice address in Lebanon, New Hampshire, and NPI 1518075159, issued on Aug 25, 2006. Check the license (New Hampshire 6535, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Donald A. Mahler
- Credential
- M.D.
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- 6535 NH
Self-reported in NPPES; status is on the state search - Practice location
- 1 Medical Center Dr, Lebanon, NH 03756
- Phone
- (603) 650-5533
- Enumerated
- Aug 25, 2006
- Record last updated
- Jul 8, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (603) 650-0580
- Medicaid IDs
- 1000682 VT
00000113 NH - Medicare enrollment
- Enrolled (PECOS I20081203000107); accepts Medicare assignment
- Medical or professional school
- Loyola University Of Chicago, Stritch School Of Medicine, 1972
- Entity
- Type 1 · individual
Also registered at 1 Medical Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maria Abbate, NPFamily Nurse Practitioner1669683637
- McCall Abbott, APRNFamily Nurse Practitioner1396292454
- Lauren AbbuhlStudent in an Organized Health Care Education/Training Program1760322986
- William Abdu, M.D.Orthopaedic Surgery of the Spine Physician1134162324
- Iryna Aberkorn, MDFamily Medicine Physician1780846071
- Majd Aboul Hosn, MDStudent in an Organized Health Care Education/Training Program1932901949
Verify Donald A. Mahler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 6535Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
37% fewer Medicare Part D claims than the average pulmonary disease physician in 2024
900 Medicare Part D claims for 134 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 75% of claims.
Most prescribed
- Stiolto Respimat139 claims
- Albuterol Sulfate Hfa95 claims
- Trelegy Ellipta91 claims
- Prednisone72 claims
- Anoro Ellipta69 claims
- Bevespi Aerosphere45 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 practice group's MIPS final score for 2023 (Medicare payment program): 73.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $13,123.39
14 payments; by number, the most common kind was food and beverage; the largest payer was Mylan Specialty L.P. The 8,806 providers of this specialty with any payment received $5,159.88 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Valley Regional Hospital IncClaremont, NH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Pulmonary Disease Physician providers in New Hampshire
There are 86 pulmonary disease physician records in New Hampshire.
Other pulmonary disease physician records in New Hampshire
- Anna AbbasiManchester, NH1770039091
- Danilo Ablan, MDPortsmouth, NH1972608032
- Fady Abou Rizk, MDLaconia, NH1518124189
- Ojobumijo Agbaji, MDLaconia, NH1689195042
- D. Akey, MDConcord, NH1629015995
- Haitham Al Ashry, MDManchester, NH1932464211
- Ali Al-Alwan, MDDover, NH1235320318
- Naim Aoun, M.D.Nashua, NH1457323354
- Daniel Aridgides, M.D. PH.D.Lebanon, NH1083001275
- Alix Ashare, MDLebanon, NH1417937038
Common questions
What is Donald A. Mahler, M.D.'s NPI number?
Donald A. Mahler, M.D.'s National Provider Identifier (NPI) is 1518075159, issued on Aug 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Donald A. Mahler, M.D. located?
The NPPES record lists a practice address at 1 Medical Center Dr, Lebanon, NH, 03756. Phone: (603) 650-5533. Providers update this record themselves, so call before visiting.
How can I verify Donald A. Mahler, M.D.'s license?
NPPES lists New Hampshire license number 6535, as entered by the provider. Search the New Hampshire Board of Medicine at https://www.oplc.nh.gov/board-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Donald A. Mahler, M.D. prescribe under Medicare Part D?
In 2024, Donald A. Mahler, M.D. had 900 Medicare Part D claims for 134 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.
What is Donald A. Mahler, M.D.'s MIPS final score?
The 2023 MIPS final score is 73.1 of 100, reported for the practice group. 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.