MS. BARBARA DUDCZAK MD
NPI 1821026246
Internal Medicine - Cardiovascular Disease in Billings, MT

Active since June 28, 2006PECOS EnrolledAccepts Medicare Assignment
801 N 29TH ST, BILLINGS, MT 59101(406) 238-2500 Get Directions Write a Review

NPPES record last updated: February 7, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Feb 7, 2022, Jul 30, 2020 (2 updates tracked since 2020).

About Ms. Barbara Dudczak Md NPPES

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

MS. BARBARA DUDCZAK MD (NPI 1821026246) is an individual cardiovascular disease provider in Billings, Montana, licensed in Illinois (036088321) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS, is affiliated with Billings Clinic, and is a graduate of Other.

NPPES Registry Identity

NPI1821026246
Entity TypeIndividualFemale
Primary Taxonomy207RC0000X
Provider Legal NameMS. BARBARA DUDCZAKCredential: MD
Location Address801 N 29TH STBillings, MT 59101-0905
Mailing AddressPo Box 35100Billings, MT 59107-5100 · (406) 238-2500
Sole ProprietorNo
Medical School CMSOther
Enumeration DateJune 28, 2006
Last NPPES UpdateFebruary 7, 20222 updates tracked since enumeration
NPPES CertifiedFebruary 7, 2022
NPI 1821026246 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License Licensed in IL · 036088321
Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

801 N 29TH ST, Billings, MT 59101

Other Identifiers 1

Medicaid036088321IL

Accepted 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

Ms. Barbara Dudczak Md 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 ID5496731119
PECOS Enrollment IDI20061031000158, I20080124000135
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 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.

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.
585 services441 patients
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306
This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.
439 services434 patients
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.
388 services316 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
194 services185 patients
Ultrasound of heart with color-depicted blood flow, rate and valve function 93325
An ultrasound of the heart, also known as an echocardiogram, uses sound waves to create pictures of your heart. It shows the structure, movement, and blood flow within your heart. This helps assess the heart's health and function, including the valves and rate.
189 services186 patients
Ultrasound of heart, follow-up 93308
A follow-up ultrasound of the heart, also known as an echocardiogram, is a non-invasive test that uses sound waves to create images of your heart. It helps doctors monitor your heart's function and structures after initial assessment or treatment.
176 services173 patients

Hospital Affiliations CMS Care Compare 5

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

Billings Clinic

Acute Care Hospitals · Billings, MT
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number270004
Location2800 10th Ave NBillings, MT 59101 · Yellowstone County
Emergency services Birthing friendly

Phillips County Hospital - Cah

Critical Access Hospitals · Malta, MT
OwnershipVoluntary non-profit - Private
CMS Certification Number271312
Location311 S 8th Ave EMalta, MT 59538 · Phillips County
Emergency services

Frances Mahon Deaconess Hospital

Critical Access Hospitals · Glasgow, MT
OwnershipVoluntary non-profit - Private
CMS Certification Number271316
Location621 3rd St SGlasgow, MT 59230 · Valley County
Emergency services

North Big Horn Hospital District

Critical Access Hospitals · Lovell, WY
OwnershipGovernment - Hospital District or Authority
CMS Certification Number531309
Location1115 Lane 12Lovell, WY 82431 · Big Horn County
Emergency services

Powell Valley Hospital

Critical Access Hospitals · Powell, WY
OwnershipGovernment - Hospital District or Authority
CMS Certification Number531310
Location777 Avenue HPowell, WY 82435 · Park County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 59101 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
$130.52 typical visit price
range $56.81 – $172.26
Typical copayment $32.63 (range $14.20 – $43.06)
Most-billed visit code 99204
Established Patient
$70.82 typical visit price
range $18.24 – $140.32
Typical copayment $17.70 (range $4.56 – $35.08)
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.

Physician Assistant
801 N 29TH ST
BILLINGS, MT 59101
Audiologist
801 N 29TH ST
BILLINGS, MT 59101
Occupational Therapist
801 N 29TH ST
BILLINGS, MT 59101
Speech-Language Pathologist
801 N 29TH ST
BILLINGS, MT 59101
Advanced Practice Midwife
801 N 29TH ST
BILLINGS, MT 59101
Speech-Language Pathologist
801 N 29TH ST
BILLINGS, MT 59101
Student in an Organized Health Care Education/Training Program
801 N 29TH ST
BILLINGS, MT 59101
Pharmacist
801 N 29TH ST, ATTN: PHARMACY
BILLINGS, MT 59101

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 Barbara Dudczak's NPI number?

The NPI number for Barbara Dudczak is 1821026246. It was assigned to this individual provider in the NPPES registry on June 28, 2006.

Where is Barbara Dudczak located?

Barbara Dudczak practices at 801 N 29th St, Billings, MT 59101. The listed phone number is (406) 238-2500.

What is Barbara Dudczak's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Barbara Dudczak enrolled in Medicare?

Yes. Barbara Dudczak 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 Barbara Dudczak accept?

Health plans from Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans and Providence Health Plan list Barbara Dudczak 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 Barbara Dudczak affiliated with any hospitals?

According to CMS data, Barbara Dudczak is affiliated with Billings Clinic, Phillips County Hospital - Cah, Frances Mahon Deaconess Hospital, North Big Horn Hospital District and Powell Valley Hospital.

When was this NPI record last updated?

The NPPES record for Barbara Dudczak was last updated on February 7, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.