MARY H NICHOLSON M.D.
NPI 1306839667
Radiology - Diagnostic Radiology in Munster, IN

Q: What is Mary Nicholson's NPI number?

The NPI number for Mary Nicholson is 1306839667. It was assigned to this individual provider in the NPPES registry on August 23, 2005. The provider is also known as Mary H. Lesnefsky M.D..

Q: What is Mary Nicholson's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Q: When was this NPI record last updated?

The NPPES record for Mary Nicholson was last updated on March 18, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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 August 23, 2005PECOS EnrolledAccepts Medicare Assignment

901 MACARTHUR BLVD, MUNSTER RADIOLOGY GROUP, MUNSTER, IN 46321(219) 836-4569 Get Directions Write a Review

NPPES record last updated: March 18, 2008. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Mary H Nicholson M.d. NPPES

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

MARY H NICHOLSON M.D. (NPI 1306839667) is an individual diagnostic radiology provider in Munster, Indiana, licensed in Indiana (0104881A) and active in the NPI registry since August 2005. She is enrolled in Medicare PECOS, is affiliated with St Catherine Hospital Inc, and is a graduate of Loyola University Of Chicago, Stritch School Of Medicine (1992).

NPPES Registry Identity

NPI1306839667

Entity TypeIndividualFemale

Primary Taxonomy2085R0202X

Provider Legal NameMARY H NICHOLSONCredential: M.D.

Location Address901 MACARTHUR BLVD, MUNSTER RADIOLOGY GROUPMunster, IN 46321-2901

Mailing Address9201 Calumet AveMunster, IN 46321-2807 · (219) 836-2022 · Fax (219) 806-0034

Phone(219) 836-4569

Sole ProprietorNo

Medical School CMSLoyola University Of Chicago, Stritch School Of MedicineGraduated 1992

Enumeration DateAugust 23, 2005

Last NPPES UpdateMarch 18, 2008

✔ NPI 1306839667 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0202X

License✔ Licensed in IN · 0104881A

Definition

A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

Also ListedRadiology · Body ImagingTaxonomy 2085B0100X · License 01048811A (IN)

901 MACARTHUR BLVD, Munster, IN 46321

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Other Names 1

Former Name (1)Mary H. Lesnefsky M.d.

Other Identifiers 3

Medicare PIN457260VIN

Medicare UPING69894

Medicare PIN191880SIN

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mary H Nicholson M.d. 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 ID2365474509

PECOS Enrollment IDI20100802000945

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.

Medicare Billing Reassignments

Medicare enrollment records show Mary Nicholson reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Powers Health Diagnostic Group LLC

Same address

Diagnostic Radiology

901 MACARTHUR BLVD
Munster, IN 46321

Reassigned Medicare billing, Indiana enrollment
26 clinicians in this Medicare group

NPI 1265391742 (219) 836-4569

Munster Radiology Group PC

0.1 mi

Diagnostic Radiology

901 MACARTHUR BLVD, RADIOLOGY DEPARTMENT
Munster, IN 46321

Reassigned Medicare billing, Indiana enrollment
28 clinicians in this Medicare group

NPI 1144207101 (219) 836-4569

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 24

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.

Screening mammography 77067

Screening mammography is a preventative measure that uses low-dose X-rays to take images of the chest area. It's a key tool in early detection of abnormalities, helping to identify issues before they become symptomatic. It is recommended annually for certain age groups.

2,355 services2,355 patients

Screening 3d breast mammography 77063

Screening 3D breast mammography is a procedure that uses low-dose X-rays to create detailed images of the breast. This allows for early detection of any unusual changes or growths. It's a non-invasive, outpatient procedure that typically takes about 30 minutes.

2,345 services2,345 patients

Screening mammography 77067

597 services597 patients

Screening 3d breast mammography 77063

592 services592 patients

Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) G0279

Diagnostic digital breast tomosynthesis is a 3D imaging test that allows doctors to examine your breast tissue layer by layer. It's performed on one or both sides. It helps in detecting abnormalities more accurately. It's often done in addition to other tests.

267 services263 patients

Diagnostic mammography of 1 breast 77065

Diagnostic mammography of 1 breast is a detailed imaging test that allows doctors to closely examine a specific area in the breast. It's often used when a routine screening reveals an abnormality. This test can help identify any unusual changes or issues.

240 services205 patients

Limited ultrasound scan of 1 breast 76642

A limited ultrasound scan of one breast is a non-invasive imaging test. It uses sound waves to create pictures of the inside of your breast. It helps identify any unusual growths or changes. It's safe, quick, and typically painless.

184 services182 patients

Diagnostic mammography of both breasts 77066

Diagnostic mammography involves using special imaging technology to capture detailed images of both breasts. This procedure helps in identifying any unusual changes or abnormalities. It's a crucial step in ensuring breast health and early detection of potential issues.

100 services99 patients

Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) G0279

87 services87 patients

Mri scan of both breasts 77049

An MRI scan of both breasts is a non-invasive procedure using magnetic fields and radio waves to create detailed images of your chest area. This aids in detecting any abnormalities, ensuring your health and well-being.

78 services75 patients

Diagnostic mammography of 1 breast 77065

75 services73 patients

Complete ultrasound scan of 1 breast 76641

A complete ultrasound scan of one breast is a non-invasive imaging test that uses sound waves to create detailed images of the inside of your breast. It helps in detecting any abnormalities or changes, ensuring your breast health.

73 services73 patients

Limited ultrasound scan of 1 breast 76642

62 services61 patients

Biopsy of breast and placement of locating device using ultrasound, first growth 19083

A breast biopsy with locating device placement involves taking a small sample from an unusual growth, using ultrasound for precise targeting. This sample is studied for any abnormal cells. A locating device is also placed to mark the area for future reference.

52 services50 patients

X-ray of surgical specimen 76098

An X-ray of a surgical specimen involves taking detailed images of the tissue or organ removed during surgery. This helps in examining the specimen more closely to understand the disease better. It's a safe, non-invasive procedure, providing valuable insights to your healthcare team.

36 services35 patients

Diagnostic mammography of both breasts 77066

33 services33 patients

Biopsy of breast and placement of locating device using x-ray with needle, first growth 19081

A biopsy of the breast involves extracting a small sample of tissue for examination. A locating device placement, guided by x-ray, aids in identifying the exact spot of the first growth. A needle is used in both processes to ensure precision and minimal discomfort.

29 services29 patients

Placement of locating device in breast using ultrasound guidance, first growth 19285

This procedure involves inserting a small locating device into the breast tissue using ultrasound. The device helps accurately mark the position of the first growth. This aids in precise treatment planning. It's a non-invasive process with minimal discomfort.

27 services27 patients

Mri scan of both breasts 77049

27 services27 patients

3d radiographic procedure with computerized image postprocessing 76377

A 3D radiographic procedure with computerized image postprocessing is a high-tech imaging test. It uses X-rays to create detailed 3D images of the body. The computerized postprocessing further enhances these images for more precise diagnosis and treatment planning.

23 services23 patients

Biopsy of breast and placement of locating device using ultrasound, first growth 19083

18 services18 patients

Complete ultrasound scan of 1 breast 76641

14 services14 patients

Injection of radioactive material for x-ray identification of lymph node 38792

This procedure involves injecting a safe radioactive substance into your body. It travels to your lymph nodes, making them visible on X-ray images. This helps in identifying any abnormal nodes for further examination. It's a standard part of many diagnostic processes.

13 services13 patients

3d radiographic procedure 76376

A 3D radiographic procedure is a non-invasive imaging test that helps doctors visualize the internal structures of your body in three dimensions. This advanced technology provides detailed images, aiding in accurate diagnosis and treatment planning. It involves exposure to minimal radiation.

12 services12 patients

Hospital Affiliations CMS Care Compare 3

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

St Catherine Hospital Inc

Acute Care Hospitals · East Chicago, IN

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number150008

Location4321 Fir StreetEast Chicago, IN 46312 · Lake County

Emergency services Birthing friendly

St Mary Medical Center Inc

Acute Care Hospitals · Hobart, IN

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number150034

Location1500 S Lake Park AveHobart, IN 46342 · Lake County

Emergency services Birthing friendly

Community Hospital

Acute Care Hospitals · Munster, IN

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number150125

Location901 Macarthur BlvdMunster, IN 46321 · Lake County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46321 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

$82.04 typical visit price

range $53.07 – $161.76

Typical copayment $20.51 (range $13.26 – $40.44)

Most-billed visit code 99203

Established Patient

$66.48 typical visit price

range $16.93 – $132.22

Typical copayment $16.62 (range $4.23 – $33.05)

Most-billed visit code 99213

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

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.

FARRUKH SALIM CHAUDHRY MD

Psychiatry & Neurology (Neurocritical Care)

901 MACARTHUR BLVD
MUNSTER, IN 46321

Lake County (219) 836-1600

DR. ALEKSANDAR GORESKI M.D.

Anesthesiology

901 MACARTHUR BLVD
MUNSTER, IN 46321

Lake County (219) 703-1443

DR. AVRAM ESTES M.D.

Emergency Medicine

901 MACARTHUR BLVD
MUNSTER, IN 46321

Lake County (219) 836-1600

MUNSTER MEDICAL RESEARCH FOUNDATION INC

General Acute Care Hospital

901 MACARTHUR BLVD
MUNSTER, IN 46321

Lake County (219) 836-1600

RICHARD HENRY LADAGA CRNA

Nurse Anesthetist, Certified Registered

901 MACARTHUR BLVD, ATTN ANESTHESIA
MUNSTER, IN 46321

Lake County (219) 836-7040

SUNNY PATEL MD

Anesthesiology

901 MACARTHUR BLVD
MUNSTER, IN 46321

Lake County (219) 703-1443

ESTEBAN E GOLOMBIEVSKI MD

Psychiatry & Neurology (Vascular Neurology)

901 MACARTHUR BLVD
MUNSTER, IN 46321

Lake County (219) 703-1991

ZACHARY ROSENFELDT PHARMD

Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)

901 MACARTHUR BLVD, ATTN: PHARMACY DEPARTMENT
MUNSTER, IN 46321

Lake County (219) 703-4048

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 Mary Nicholson's NPI number?

The NPI number for Mary Nicholson is 1306839667. It was assigned to this individual provider in the NPPES registry on August 23, 2005. The provider is also known as Mary H. Lesnefsky M.D..

Where is Mary Nicholson located?

Mary Nicholson practices at 901 Macarthur Blvd Munster Radiology Group, Munster, IN 46321. The listed phone number is (219) 836-4569.

What is Mary Nicholson's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Mary Nicholson enrolled in Medicare?

Yes. Mary Nicholson 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.

Which organizations bill Medicare for Mary Nicholson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Nicholson reassigns Medicare benefits to 2 organizations: Powers Health Diagnostic Group LLC (Munster, IN) and Munster Radiology Group PC (Munster, IN). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mary Nicholson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Mary Nicholson affiliated with any hospitals?

According to CMS data, Mary Nicholson is affiliated with St Catherine Hospital Inc, St Mary Medical Center Inc and Community Hospital.

When was this NPI record last updated?

The NPPES record for Mary Nicholson was last updated on March 18, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.