Martin J. Maassen, M.D.
Emergency Medicine Physician · West Lafayette, IN
Martin J. Maassen, M.D. is an emergency medicine physician with a practice address in West Lafayette, Indiana, and NPI 1306865746, issued on Jul 18, 2006. Check the license (Indiana 01025400A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Martin J. Maassen
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 01025400A IN
Self-reported in NPPES; status is on the state search - Practice location
- 1340 Fawn Ridge Dr, West Lafayette, IN 47906
- Phone
- (765) 491-1422
- Enumerated
- Jul 18, 2006
- Record last updated
- Oct 18, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (765) 742-7258
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,293 in Indiana → Look up another NPI →
Verify Martin J. Maassen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01025400ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7% more Medicare Part D claims than the average emergency medicine physician in 2024
241 Medicare Part D claims for 19 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 99 claims were for opioids.
Most prescribed
- Oxycodone Hcl73 claims
- Ibuprofen20 claims
- Cyclobenzaprine Hcl13 claims
- Oxycodone-Acetaminophen13 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.
Martin J. Maassen among 1,293 emergency medicine physician records in Indiana
Martin J. Maassen, M.D. is one of 1,293 emergency medicine physician records with a practice address in Indiana. 83% 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 10% of them.
- NPI issued2006 · 10% of these records are older, 55% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2012 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Indiana
There are 1,293 emergency medicine physician records in Indiana.
All 1,293 in Indiana → Every provider in West Lafayette → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- David Mitchell-Flynn, MDWest Lafayette, IN 479061073572012
- Margo Taylor, MDWest Lafayette, IN 479061548229123
- Gordon Welk, MDWest Lafayette, IN 479061912966748
- Tasneem Ahmed, MDLafayette, IN 479051578023701
- Carly Allen, DOLafayette, IN 479051033772587
- Siddharth Bangar, M.D.Lafayette, IN 479051386091957
- Nirav Chheda, DOLafayette, IN 479051144725896
- David GayWest Lafayette, IN 479071538546593
Common questions
What is Martin J. Maassen, M.D.'s NPI number?
Martin J. Maassen, M.D.'s National Provider Identifier (NPI) is 1306865746, issued on Jul 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Martin J. Maassen, M.D. located?
The NPPES record lists a practice address at 1340 Fawn Ridge Dr, West Lafayette, IN, 47906. Phone: (765) 491-1422. Providers update this record themselves, so call before visiting.
How can I verify Martin J. Maassen, M.D.'s license?
NPPES lists Indiana license number 01025400A, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Martin J. Maassen, M.D. prescribe under Medicare Part D?
In 2024, Martin J. Maassen, M.D. had 241 Medicare Part D claims for 19 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.