DR. PAUL STEPHEN PIENKOS M.D.
NPI 1508904186
Internal Medicine - Cardiovascular Disease in Grafton, WI

NPI Status: Active since February 03, 2007

Contact Information

975 PORT WASHINGTON RD
GRAFTON, WI
ZIP 53024
Phone: (262) 329-1000

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NPPES record last updated: December 1, 2021. Verified against the NPPES registry weekly; last sync: July 12, 2026.

Record update history: Dec 1, 2021, Jul 20, 2021 (2 updates tracked since 2021).

  • Individual
  • Male
  • Years of Experience 26
  • Internal Medicine
  • Cardiovascular Disease
  • Accepts Insurance
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About PAUL PIENKOS

This page provides the complete NPI Profile along with additional information for Paul Pienkos, an internist established in Grafton, Wisconsin with a medical specialization in Internal Medicine, focusing in cardiovascular disease and more than 26 years of experience. The healthcare provider is registered in the NPI registry with number 1508904186 assigned on February 2007. The practitioner's primary taxonomy code is 207RC0000X with license number 45931-20 (WI). The provider is registered as an individual and his NPI record was last updated 5 years ago.

NPI
1508904186
Provider Name
DR. PAUL STEPHEN PIENKOS M.D.
Gender
Male
Entity Type
Individual
Location Address
975 PORT WASHINGTON RD GRAFTON, WI 53024
Location Phone
(262) 329-1000
Mailing Address
3301 W FOREST HOME AVE MILWAUKEE, WI 53215
Mailing Phone
(262) 329-1000
Medical School Name
OTHER
Graduation Year
2001
Is Sole Proprietor?
No
Enumeration Date
02-03-2007
Last Update Date
12-01-2021
Code Navigator

An internist like Paul Pienkos is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

Location Map

Secondary Locations

  • 1821 S Webster Ave
    Green Bay, WI 54301
    (920) 496-4700

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Internal Medicine Cardiovascular Disease

Taxonomy Code
207RC0000X
Type
Allopathic & Osteopathic Physicians
License No.
45931-20
License State
WI
Taxonomy Description
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.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

45931-020 (WI)

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • Prestige Bronze $0 Medical Deductible - HMO
  • Prestige Bronze $0 Medical Deductible + Dental + Vision - HMO
  • Prestige Bronze $0 Medical Deductible + Dental +Vision - HMO
  • Prestige Bronze Essential + 3 Free PCP Visits - HMO
  • Prestige Bronze Essential + Dental + Vision + 3 Free PCP Visits - HMO
  • Prestige Bronze Plus - HMO
  • Prestige Gold - HMO
  • Prestige Gold 50 + 1 Free PCP Visit - HMO
  • Prestige Gold 50 + Dental + Vision + 1 Free PCP Visit - HMO
  • Prestige Gold 50 + Dental + Vision+ 1 Free PCP Visit - HMO
  • Prestige Gold Essential + 3Free PCP Visits - HMO
  • Prestige Gold Essential + Dental + Vision + 3 Free PCP Visits - HMO
  • Prestige Silver - HMO
  • Prestige Silver Essential + 3 Free PCP Visits - HMO
  • Prestige Silver Essential + Dental + Vision + 3 Free PCP Visits - HMO

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Medicare Participation & PECOS Enrollment Status

Paul Pienkos is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Paul Pienkos is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 3173661279

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20091110000623

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

3d radiographic procedure

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.

This service was performed 11 times for 11 patients

3d radiographic procedure

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.

This service was performed 17 times for 17 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

This service was performed 148 times for 99 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more

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.

This service was performed 126 times for 94 patients

Heart muscle strain imaging

Heart muscle strain imaging is a non-invasive test that uses sound waves to create pictures of your heart. It helps doctors evaluate how well your heart muscle is working and detect any damage or disease. This can aid in diagnosing heart conditions and guiding treatment plans.

This service was performed 37 times for 37 patients

Heart muscle strain imaging

Heart muscle strain imaging is a non-invasive test that uses sound waves to create pictures of your heart. It helps doctors evaluate how well your heart muscle is working and detect any damage or disease. This can aid in diagnosing heart conditions and guiding treatment plans.

This service was performed 28 times for 27 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

This service was performed 78 times for 74 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

This service was performed 49 times for 49 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

This service was performed 19 times for 19 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only

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.

This service was performed 246 times for 203 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only

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.

This service was performed 28 times for 26 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

This service was performed 136 times for 69 patients

Ultrasound of heart blood flow, valves and chambers

An ultrasound of your heart, also known as an echocardiogram, is a test that uses sound waves to create detailed images of your heart. It helps doctors check the health of your heart's chambers, valves, and blood flow.

This service was performed 11 times for 11 patients

Ultrasound of heart blood flow, valves and chambers, follow-up

This procedure, an echocardiogram, uses sound waves to create images of your heart. It aids in assessing your heart's blood flow, chambers, and valves. It's a follow-up procedure, ensuring that your heart is functioning properly post-treatment.

This service was performed 15 times for 15 patients

Ultrasound of heart with color-depicted blood flow, rate and valve function

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.

This service was performed 19 times for 19 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function

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.

This service was performed 82 times for 82 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function

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.

This service was performed 32 times for 30 patients

Ultrasound of heart with continuous electrocardiogram (ecg) during rest, exercise and/or drug induced stress with review and report

This procedure involves using ultrasound technology to create images of your heart while you rest, exercise, or undergo drug-induced stress. An ECG continuously monitors your heart's electrical activity. It helps doctors assess heart health and function.

This service was performed 13 times for 13 patients

Ultrasound of heart, follow-up

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.

This service was performed 11 times for 11 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $30.92 for a new patient copayment and $16.84 for an established patient copayment.

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 53024 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99204

  • Average New Patient Price $123.69
  • Minimum New Patient Price $53.9
  • Maximum New Patient Price $163.24
  • Average New Patient Copayment $30.92
  • Minimum New Patient Copayment $13.47
  • Maximum New Patient Copayment $40.81

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99213

  • Average Established Patient Price $67.37
  • Minimum Established Patient Price $17.4
  • Maximum Established Patient Price $133.76
  • Average Established Patient Copayment $16.84
  • Minimum Established Patient Copayment $4.35
  • Maximum Established Patient Copayment $33.44

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

Find Provider Hospital Affiliations - Privileges

Doctors and physicians must apply for hospital privileges to treat patients at hospitals. Find out if your doctor has privileges to practice at your preferred hospital by using the hospital affiliation information below based on recent medical claims.

Hospital affiliation is identified through self-reporting data, inpatient, outpatient, physician and ancillary service claims linked by the medical claims NPI number and place of service code. Additionally, to further determine provider hospital affiliation the clinician must have provided services to at least three patients on three different dates in the last 12 months. Paul Pienkos is affiliated with the following medical facilities:

Hospital Name Address Phone Hospital Type Overall Rating
ASCENSION COLUMBIA ST MARY'S HOSPITAL MILWAUKEE2323 N LAKE DR
MILWAUKEE, WI 53211
(414) 585-1374Acute Care Hospitals
FROEDTERT MEMORIAL LUTHERAN HOSPITAL9200 W WISCONSIN AVE
MILWAUKEE, WI 53226
(414) 805-3000Acute Care Hospitals
ORTHOPAEDIC HOSPITAL OF WISCONSIN475 W RIVER WOODS PKWY
GLENDALE, WI 53212
(414) 961-6803Acute Care Hospitals

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NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1508904186, we treat the final digit (6) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
5
Unchanged
Pos 3
0
Doubled → 0
Pos 4
8
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
0
Unchanged
Pos 7
4
Doubled → 8
Pos 8
1
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
6
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 0 → 0 9 → 18 → 9 4 → 8 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 5 + 0 + 8 + 1 + 8 + 0 + 8 + 1 + 1 + 6 + 24 = 64

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1508904186.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Internal Medicine
975 PORT WASHINGTON RD
GRAFTON, WI 53024
Pharmacist
975 PORT WASHINGTON RD
GRAFTON, WI 53024
Internal Medicine (Pulmonary Disease)
975 PORT WASHINGTON RD, CRITICAL CARE MEDICINE
GRAFTON, WI 53024
Physical Therapist
975 PORT WASHINGTON RD
GRAFTON, WI 53024
Psychiatry & Neurology (Neurology)
975 PORT WASHINGTON RD, SUITE 320
GRAFTON, WI 53024
Physical Therapist (Orthopedic)
975 PORT WASHINGTON RD
GRAFTON, WI 53024
Nurse Practitioner
975 PORT WASHINGTON RD, SUITE 320
GRAFTON, WI 53024
Physical Therapist
975 PORT WASHINGTON RD
GRAFTON, WI 53024
Physical Therapist
975 PORT WASHINGTON RD
GRAFTON, WI 53024
Specialist/Technologist (Athletic Trainer)
975 PORT WASHINGTON RD
GRAFTON, WI 53024
Internal Medicine (Clinical Cardiac Electrophysiology)
975 PORT WASHINGTON RD, SUITE 310
GRAFTON, WI 53024
Genetic Counselor, MS
975 PORT WASHINGTON RD, SUITE 420
GRAFTON, WI 53024
Physical Therapist
975 PORT WASHINGTON RD
GRAFTON, WI 53024
Occupational Therapist
975 PORT WASHINGTON RD
GRAFTON, WI 53024
Physical Therapist (Orthopedic)
975 PORT WASHINGTON RD
GRAFTON, WI 53024
Physical Therapist
975 PORT WASHINGTON RD
GRAFTON, WI 53024
Internal Medicine (Infectious Disease)
975 PORT WASHINGTON RD
GRAFTON, WI 53024
Physical Therapist
975 PORT WASHINGTON RD
GRAFTON, WI 53024
Physician Assistant (Medical)
975 PORT WASHINGTON RD
GRAFTON, WI 53024
Rehabilitation Unit
975 PORT WASHINGTON RD
GRAFTON, WI 53024

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1508904186, enumerated as an "individual" on February 03, 2007.

The provider is located at 975 PORT WASHINGTON RD GRAFTON, WI 53024 and the phone number is (262) 329-1000.

Internal Medicine with taxonomy code 207RC0000X and a focus in Cardiovascular Disease.

The provider might be accepting Accepts: Network Health. Please consult your insurance carrier or call the provider to verify.

Paul Pienkos is affiliated with: ASCENSION COLUMBIA ST MARY'S HOSPITAL MILWAUKEE, FROEDTERT MEMORIAL LUTHERAN HOSPITAL and ORTHOPAEDIC HOSPITAL OF WISCONSIN.