Nathan Alan Aardsma, D.O.
Anatomic Pathology & Clinical Pathology Physician · Dyer, IN
Nathan Alan Aardsma, D.O. is an anatomic pathology & clinical pathology physician with a practice address in Dyer, Indiana, and NPI 1649579939, issued on Mar 25, 2011. Check the license on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Nathan Alan Aardsma
- Credential
- D.O.
- Primary taxonomy
- Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
- License number
- 036.137383 IL
Self-reported in NPPES; status is on the state search - Practice location
- 24 Joliet St, Dyer, IN 46311
- Phone
- (219) 865-2141
- Enumerated
- Mar 25, 2011
- Record last updated
- Jan 23, 2024
- Fax
- (219) 864-2136
- Medicare enrollment
- Enrolled (PECOS I20180725000996); accepts Medicare assignment
- Medical or professional school
- Lake Erie College Of Osteopathic Medicine, Erie, 2010
- Entity
- Type 1 · individual
8 nearest anatomic pathology & clinical pathology physician records → All 286 in Indiana → Look up another NPI →
Also registered at 24 Joliet St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ahmad Alsibai, M.D.Hospitalist Physician1265741235
- Amanda Arredondo, DNPCertified Registered Nurse Anesthetist1992484984
- Patricia Bailey-JohnsonClinical Social Worker1346647583
- George Bechir, M.D.Hospitalist Physician1649685306
- Umar Bhatti, DOHospitalist Physician1558802751
- Kidanu Birhanu, M.D.Internal Medicine Physician1710073952
Verify Nathan Alan Aardsma in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of IndianaCheck 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 practice group's MIPS final score for 2023 (Medicare payment program): 81 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).
Bills Medicare through 2 group practices
- Consultants IN Pathology SCOlympia Fields, IL
- Pathology Consultants IncCrown Point, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nathan Alan Aardsma among 286 anatomic pathology & clinical pathology physician records in Indiana
Nathan Alan Aardsma, D.O. is one of 286 anatomic pathology & clinical pathology physician records with a practice address in Indiana. 60% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 78% of them.
- NPI issued2011 · 78% of these records are older, 19% newer
- In a Medicare fileYes · 60% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2010 · median 1999 among the 162 with a school on file
- Record last updated2024 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0102X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anatomic Pathology & Clinical Pathology Physician providers in Indiana
There are 286 anatomic pathology & clinical pathology physician records in Indiana.
All 286 in Indiana → Every provider in Dyer → Anatomic Pathology & Clinical Pathology Physician nationwide →
The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes
- Ashley O'Bannon, MDDyer, IN 463111629248711
- David Cheng, MDCrown Point, IN 463071396738233
- Judy Lyzak, MDCrown Point, IN 463071902899891
- Carol Handelsman, MDHammond, IN 463201336224658
- Gitie Jaffe, MDHammond, IN 463201235221722
- Reshma Ariga, MDMunster, IN 463211558354456
- Florencio Carandang, MDMunster, IN 463211962497784
- Brenda Eriksen, MDMunster, IN 463211780679563
Common questions
What is Nathan Alan Aardsma, D.O.'s NPI number?
Nathan Alan Aardsma, D.O.'s National Provider Identifier (NPI) is 1649579939, issued on Mar 25, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Nathan Alan Aardsma, D.O. located?
The NPPES record lists a practice address at 24 Joliet St, Dyer, IN, 46311. Phone: (219) 865-2141. Providers update this record themselves, so call before visiting.
How can I verify Nathan Alan Aardsma, D.O.'s license?
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.
What is Nathan Alan Aardsma, D.O.'s MIPS final score?
The 2023 MIPS final score is 81 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.