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MRS. CATHERINE KRSEK PIERONI FNP
NPI 1427278308
Nurse Practitioner - Family in Merrillville, IN

Active since April 26, 2007PECOS EnrolledAccepts Medicare Assignment
9247 BROADWAY, SUITE B, MERRILLVILLE, IN 46410(219) 769-6970(219) 769-6768 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mrs. Catherine Krsek Pieroni Fnp NPPES

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

MRS. CATHERINE KRSEK PIERONI FNP (NPI 1427278308) is an individual family provider in Merrillville, Indiana, licensed in Indiana (71001516A) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS, is affiliated with St Mary Medical Center Inc, and is a graduate of Other (2002).

NPPES Registry Identity

NPI1427278308
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMRS. CATHERINE KRSEK PIERONICredential: FNP
Location Address9247 BROADWAY, SUITE BMerrillville, IN 46410-7018
Mailing Address9189 Vigo StCrown Point, IN 46307-8537 · (219) 947-1007 · Fax (219) 769-6768
Phone(219) 769-6970
Fax(219) 769-6768
Sole ProprietorNo
Medical School CMSOtherGraduated 2002
Enumeration DateApril 26, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1427278308 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in IN · 71001516A
9247 BROADWAY, Merrillville, IN 46410
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health.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

Mrs. Catherine Krsek Pieroni Fnp 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 ID1052481108
PECOS Enrollment IDI20080602000744
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 7

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
393 services342 patients
Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza 87428
This test uses a method called immunoassay to identify severe acute respiratory syndrome coronavirus and influenza. It works by detecting specific proteins (antigens) in a sample, like a nasal swab. It's a powerful tool in diagnosing these viral infections.
99 services92 patients
Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
65 services55 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
59 services57 patients
Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 87880
A detection test by immunoassay for Group A Strep is a quick procedure to identify a bacterial infection in your throat. It involves taking a throat swab and applying it to a test strip, which changes color if Strep bacteria are present.
42 services42 patients
X-ray of chest, 2 views 71046
A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.
38 services38 patients

Hospital Affiliations CMS Care Compare

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

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46410 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
$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.

Other Providers at the Same Location NPPES 3

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

DR. OREN MICHAEL CONWAY MD
Pediatrics
9247 BROADWAY, SUITE B
MERRILLVILLE, IN 46410
Lake County (219) 769-6970
BROADWAY DENTISTRY, PC
Dentist (General Practice)
9247 BROADWAY, SUITE C
MERRILLVILLE, IN 46410
Lake County (219) 769-1485
MRS. FRANCES L ESSARY RN CRNP
Pediatrics
9247 BROADWAY, SUITE B DR OREN M CONWAY MD PC
MERRILLVILLE, IN 46410
Lake County (219) 769-6970

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 Catherine Pieroni's NPI number?

The NPI number for Catherine Pieroni is 1427278308. It was assigned to this individual provider in the NPPES registry on April 26, 2007.

Where is Catherine Pieroni located?

Catherine Pieroni practices at 9247 Broadway Suite B, Merrillville, IN 46410. The listed phone number is (219) 769-6970.

What is Catherine Pieroni's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Catherine Pieroni enrolled in Medicare?

Yes. Catherine Pieroni 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 Catherine Pieroni accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan and Ambetter from Meridian list Catherine Pieroni 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 Catherine Pieroni affiliated with any hospitals?

According to CMS data, Catherine Pieroni is affiliated with St Mary Medical Center Inc.

When was this NPI record last updated?

The NPPES record for Catherine Pieroni was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.