DR. NATHAN ALAN AARDSMA D.O.
NPI 1649579939
Pathology - Anatomic Pathology & Clinical Pathology in Dyer, IN

Q: What is Nathan Aardsma's NPI number?

The NPI number for Nathan Aardsma is 1649579939. It was assigned to this individual provider in the NPPES registry on March 25, 2011.

Q: What is Nathan Aardsma's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Q: When was this NPI record last updated?

The NPPES record for Nathan Aardsma was last updated on January 23, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since March 25, 2011PECOS EnrolledAccepts Medicare Assignment

80.97/100

CMS Quality Rating

24 JOLIET ST, DYER, IN 46311(219) 865-2141(219) 864-2136 Get Directions Write a Review

NPPES record last updated: January 23, 2024. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Aug 25, 2016, Nov 11, 2015 (2 updates tracked since 2015).

On this page

About Dr. Nathan Alan Aardsma D.o. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. NATHAN ALAN AARDSMA D.O. (NPI 1649579939) is an individual anatomic pathology & clinical pathology provider in Dyer, Indiana, licensed in Illinois (036.137383) and active in the NPI registry since March 2011. He is enrolled in Medicare PECOS, is affiliated with Franciscan Health Olympia & Chicago Heights, and is a graduate of Lake Erie College Of Osteopathic Medicine, Erie (2010).

NPPES Registry Identity

NPI1649579939

Entity TypeIndividualMale

Primary Taxonomy207ZP0102X

Provider Legal NameDR. NATHAN ALAN AARDSMACredential: D.O.

Location Address24 JOLIET STDyer, IN 46311-1705

Mailing Address5700 Southwyck BlvdToledo, OH 43614-1509 · (800) 288-8325 · Fax (419) 866-5453

Phone(219) 865-2141

Fax(219) 864-2136

Sole ProprietorNo

Medical School CMSLake Erie College Of Osteopathic Medicine, ErieGraduated 2010

Enumeration DateMarch 25, 2011

Last NPPES UpdateJanuary 23, 20242 updates tracked since enumeration

NPPES CertifiedJanuary 23, 2024

✔ NPI 1649579939 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians

Taxonomy Code207ZP0102X

License✔ Licensed in IL · 036.137383

Definition

A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

24 JOLIET ST, Dyer, IN 46311

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Nathan Alan Aardsma D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6406166883

PECOS Enrollment IDI20160718000927, I20180725000996

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 26

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Pathology examination of tissue using a microscope, intermediate complexity 88305

A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.

1,092 services594 patients

Special stained specimen slides to examine tissue, each additional procedure 88341

Special stained specimen slides are used to analyze tissue in detail. In this process, extra procedures may be needed for a more thorough examination. These involve applying special stains to the tissue on slides, enhancing specific elements for closer study.

658 services138 patients

Microscopic genetic analysis of tissue, manual, each additional multiplex stain procedure 88377

Microscopic genetic analysis of tissue is a detailed lab process that examines your cells' genetic material. If more than one stain procedure is needed, it's termed an 'additional multiplex stain procedure'. This helps to highlight different components within your cells, aiding in accurate diagnosis and treatment planning.

243 services54 patients

Special stained specimen slides to examine tissue, initial procedure 88342

This procedure involves the use of specially stained slides to examine tissue samples. The initial process involves obtaining a small tissue sample from your body. This sample is then placed on a slide and stained with special dyes to highlight different structures and elements. The stained slide is then examined under a microscope to help diagnose any potential health issues.

198 services166 patients

Special stained specimen slides to examine tissue including interpretation and report 88313

Special stained specimen slides are used to examine tissue samples. This involves applying special dyes to the tissue, which helps to highlight certain features under a microscope. The findings are then interpreted and a report is provided. This can aid in diagnosing various health conditions.

171 services58 patients

Blood smear interpretation by physician with written report 85060

Blood smear interpretation is a lab test where your doctor examines a sample of your blood under a microscope. They look for abnormalities in your blood cells which can help diagnose various conditions. You'll receive a written report of the findings.

164 services145 patients

Pathology examination of tissue using a microscope, moderately high complexity 88307

A pathology examination of tissue with moderate complexity involves a detailed study of a small tissue sample from your body. Using a microscope, experts analyze the tissue's structure and cells to identify any abnormalities. This helps in diagnosing various health conditions accurately.

131 services100 patients

Cell examination of specimen, selective cellular enhancement technique 88112

Cell examination of a specimen using selective cellular enhancement technique is a lab process that improves the visibility of certain cells in a sample. It helps in identifying abnormalities or diseases. The process is non-invasive, safe, and aids in accurate diagnosis.

103 services83 patients

Microscopic genetic analysis of tumor, manual 88360

Microscopic genetic analysis of a tumor involves examining your tumor's genes under a microscope. This helps identify specific genetic changes in the tumor cells. This information can aid in diagnosing, predicting disease progression, and determining the most effective treatment options.

92 services43 patients

Evaluation of fine needle aspirate with interpretation and report 88173

This procedure involves using a thin needle to collect a small sample from an abnormal area or lump. The sample is then examined under a microscope to identify any potential issues. A report of the findings is provided for further analysis.

91 services69 patients

Evaluation of fine needle aspirate 88172

Evaluation of fine needle aspirate is a diagnostic procedure where a thin needle is used to collect cells from a lump or mass. This sample is then examined under a microscope to determine the nature of the lump, whether it's benign (non-cancerous) or malignant (cancerous).

85 services62 patients

Pathology examination of tissue using a microscope, moderately low complexity 88304

A pathology examination of tissue, moderately low complexity, involves studying a small sample of your body tissue under a microscope. It helps to identify any abnormal cells or diseases. It's a routine procedure, not complex, and provides crucial insights for your diagnosis.

69 services62 patients

Preparation of tissue for examination by removing any calcium present 88311

This procedure involves treating tissue samples to remove any calcium, which can interfere with the examination. The tissue is soaked in a special solution that safely dissolves the calcium, leaving the tissue intact for accurate analysis. This helps in making precise diagnoses.

59 services52 patients

Special stained specimen slides to examine tissue, each multiplex procedure 88344

Special stained specimen slides are used to study tissue in detail. This multiplex procedure involves applying different dyes to the tissue sample on a slide to highlight specific elements. These colors help identify any abnormalities in the tissue, aiding in accurate diagnosis and treatment planning.

56 services44 patients

Special stained specimen slides to identify organisms including interpretation and report 88312

This service involves coloring specimen slides in a special way to help identify organisms. The colors make different parts of the organism stand out. Afterward, a detailed interpretation and report on the findings are provided.

54 services30 patients

Bone marrow, smear interpretation 85097

Bone marrow smear interpretation is a procedure where a small sample of your bone marrow is taken and examined under a microscope. This helps doctors identify any abnormal cells or signs of diseases such as anemia, leukemia, or infections. It's a crucial step in diagnosing various blood disorders.

42 services35 patients

Pathology cytologic examination of specimen during surgery, initial site 88333

A pathology cytologic examination during surgery involves taking a small sample of cells from the initial site of concern. This sample is then examined under a microscope by a pathologist to check for any abnormal or disease-causing cells. This helps guide the ongoing surgical procedure.

42 services35 patients

Pap test, evaluation of fine needle aspirate, immediate, each additional evaluation episode 88177

A Pap test is a procedure that checks for abnormal cells in the body, which could indicate a serious condition. The evaluation of a fine needle aspirate is a process where a small sample is taken with a thin needle for examination. This can be done multiple times for a thorough analysis.

34 services25 patients

Flow cytometry technique for dna or cell analysis, 16 or more markers 88189

Flow cytometry is a method used to measure and analyze cells. It uses a beam of light to detect up to 16 or more markers on cells, helping to identify their type, function, or abnormalities. This technique aids in diagnosing various health conditions.

34 services33 patients

Genetic sequencing localization, initial procedure 88365

Genetic sequencing localization is a process to identify where specific genes are located in your DNA. During the initial procedure, a sample of your cells is collected, usually through a simple swab or blood test. This data is then analyzed to pinpoint the location of certain genes. This can help understand your genetic makeup and potential health risks.

26 services23 patients

Pathology examination of tissue using a microscope, limited examination 88300

A pathology examination of tissue using a microscope is a procedure where a small sample of your tissue is observed under a microscope. This limited examination helps identify any abnormal cells or signs of disease, aiding in accurate diagnosis and treatment planning.

25 services24 patients

Pathology examination of tissue using a microscope, intermediate complexity 88305

25 services16 patients

Pathology examination of tissue using a microscope, high complexity 88309

A high complexity pathology examination involves studying body tissue under a microscope to identify any abnormalities. This intricate process helps in diagnosing various conditions and deciding on the best treatment plan.

25 services23 patients

Pathology cytologic examination of specimen during surgery, each additional site 88334

A Pathology Cytologic Examination is a test performed during surgery to examine cells from an additional site in your body. This helps identify any abnormal or diseased cells. It's an important tool in diagnosing and managing various conditions.

24 services13 patients

Pathology examination of specimen during surgery, first tissue block 88331

A pathology examination during surgery involves the immediate analysis of a removed tissue sample. This helps the surgeon make decisions during your operation. The "first tissue block" refers to the initial sample examined. It's a vital step to ensure your health.

19 services16 patients

Genetic sequencing localization, each additional procedure 88364

Genetic sequencing localization is a process where specific regions of your DNA are identified and studied. If you're having additional procedures, it simply means that more areas of your DNA are being examined. This helps to understand your genetic makeup better and can assist in identifying potential health risks.

19 services16 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Franciscan Health Olympia & Chicago Heights

Acute Care Hospitals · Olympia Fields, IL

2/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140172

Location20201 S Crawford AvenueOlympia Fields, IL 60461 · Cook County

Emergency services Birthing friendly

Franciscan Health Michigan City

Acute Care Hospitals · Michigan City, IN

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number150015

Location3500 Franciscan WayMichigan City, IN 46360 · La Porte County

Emergency services Birthing friendly

Franciscan Health Dyer

Acute Care Hospitals · Dyer, IN

2/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number150090

Location24 Joliet StDyer, IN 46311 · Lake County

Emergency services Birthing friendly

Franciscan Health Lafayette

Acute Care Hospitals · Lafayette, IN

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number150109

Location1701 S Creasy LnLafayette, IN 47905 · Tippecanoe County

Emergency services Birthing friendly

Franciscan Health Munster

Acute Care Hospitals · Munster, IN

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number150165

Location701 Superior AveMunster, IN 46321 · Lake County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46311 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$122.49 typical visit price

range $53.07 – $161.76

Typical copayment $30.62 (range $13.26 – $40.44)

Most-billed visit code 99204

Established Patient

$94.22 typical visit price

range $16.93 – $132.22

Typical copayment $23.55 (range $4.23 – $33.05)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

80.97/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

77.62

Improvement Activities

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

FRED ANTHONY LEPORE JR.

Emergency Medicine

24 JOLIET ST
DYER, IN 46311

Lake County (708) 895-9385

FRANCISCAN PHYSICIANS HOSPITAL, LLC

Orthopaedic Surgery (Orthopaedic Surgery of the Spine)

24 JOLIET ST, SUITE 101
DYER, IN 46311

Lake County (219) 864-2059

GAIL LYNN NORTON-HALE LMFT,LCSW

Social Worker (Clinical)

24 JOLIET ST
DYER, IN 46311

Lake County (219) 322-5747

DR. BRIAN P JULA PSYD

Psychologist (Clinical)

24 JOLIET ST
DYER, IN 46311

Lake County (219) 322-5747

JEANNIE BORAM UR MD

Hospitalist

24 JOLIET ST
DYER, IN 46311

Lake County (219) 852-1524

CHRISTOPHER FRANCIS SHAHZAAD M.D.

Psychiatry & Neurology (Psychiatry)

24 JOLIET ST
DYER, IN 46311

Lake County (219) 322-5747

ESHWAR NAGRAJ MURTHY

Hospitalist

24 JOLIET ST
DYER, IN 46311

Lake County (219) 852-1524

KYSE OSSAMA ZORUB

Student in an Organized Health Care Education/Training Program

24 JOLIET ST
DYER, IN 46311

Lake County (708) 307-5098

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Nathan Aardsma's NPI number?

The NPI number for Nathan Aardsma is 1649579939. It was assigned to this individual provider in the NPPES registry on March 25, 2011.

Where is Nathan Aardsma located?

Nathan Aardsma practices at 24 Joliet St, Dyer, IN 46311. The listed phone number is (219) 865-2141.

What is Nathan Aardsma's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Is Nathan Aardsma enrolled in Medicare?

Yes. Nathan Aardsma is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Nathan Aardsma accept?

Health plans from CareSource list Nathan Aardsma as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Nathan Aardsma affiliated with any hospitals?

According to CMS data, Nathan Aardsma is affiliated with Franciscan Health Olympia & Chicago Heights, Franciscan Health Michigan City, Franciscan Health Dyer, Franciscan Health Lafayette and Franciscan Health Munster.

When was this NPI record last updated?

The NPPES record for Nathan Aardsma was last updated on January 23, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.