DR. MACIEJ PIOTR WALCZYSZYN M.D.
NPI 1295977858
Internal Medicine - Critical Care Medicine in Matthews, NC

Q: What is Maciej Walczyszyn's NPI number?

The NPI number for Maciej Walczyszyn is 1295977858. It was assigned to this individual provider in the NPPES registry on March 29, 2009.

Q: What is Maciej Walczyszyn's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Q: When was this NPI record last updated?

The NPPES record for Maciej Walczyszyn was last updated on September 5, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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 29, 2009PECOS EnrolledAccepts Medicare Assignment

1450 MATTHEWS TOWNSHIP PKWY STE 380, MATTHEWS, NC 28105(704) 384-9200(704) 384-6588 Get Directions Write a Review

NPPES record last updated: September 5, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 5, 2023, Sep 14, 2021, Aug 10, 2021 and 1 more (4 updates tracked since 2017).

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About Dr. Maciej Piotr Walczyszyn M.d. NPPES

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

DR. MACIEJ PIOTR WALCZYSZYN M.D. (NPI 1295977858) is an individual critical care medicine provider in Matthews, North Carolina, licensed in North Carolina (2021-01907) and active in the NPI registry since March 2009. He is enrolled in Medicare PECOS, is affiliated with Novant Health Presbyterian Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1295977858

Entity TypeIndividualMale

Primary Taxonomy207RC0200X

Provider Legal NameDR. MACIEJ PIOTR WALCZYSZYNCredential: M.D.

Location Address1450 MATTHEWS TOWNSHIP PKWY STE 380Matthews, NC 28105-2389

Mailing AddressPo Box 60447Charlotte, NC 28260-0447 · (704) 384-9200 · Fax (704) 384-6588

Phone(704) 384-9200

Fax(704) 384-6588

Sole ProprietorNo

Medical School CMSOtherGraduated 2009

Enumeration DateMarch 29, 2009

Last NPPES UpdateSeptember 5, 20234 updates tracked since enumeration

NPPES CertifiedSeptember 5, 2023

✔ NPI 1295977858 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207RC0200X

License✔ Licensed in NC · 2021-01907

Definition

An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.

Also ListedSpecialistTaxonomy 174400000X · License 271108 (NY)

Also ListedInternal MedicineTaxonomy 207R00000X · License 2021-01907 (NC)

Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X · License 2021-01907 (NC)

1450 MATTHEWS TOWNSHIP PKWY STE 380, Matthews, NC 28105

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Secondary Practice Locations 2

Location 14500 Parsons Blvd, Department of Medicine rm 3-6Flushing, NY 11355-2205 · Phone (718) 670-3012 · Fax (718) 670-5221

Location 21918 Randolph Rd Ste 580Charlotte, NC 28207-1116 · Phone (704) 384-9900 · Fax (704) 384-9919

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of NC, Cigna Healthcare.Insurance ›

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

Dr. Maciej Piotr Walczyszyn 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 ID4981853553

PECOS Enrollment IDI20210727002156

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 Maciej Walczyszyn reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Novant Medical Group, Inc.

Same address

Maternal & Fetal Medicine

1450 MATTHEWS TOWNSHIP PKWY, SUITE 410
Matthews, NC 28105

Reassigned Medicare billing, North Carolina enrollment
Medicare enrollment name: Novant Health Medical Group, LLC
2,998 clinicians in this Medicare group

NPI 1033566526 (704) 384-7680

The Presbyterian Hospital

Same address

Nurse Practitioner

1401 MATTHEWS TOWNSHIP PKWY, SUITE 380
Matthews, NC 28105

Reassigned Medicare billing, North Carolina enrollment
926 clinicians in this Medicare group

NPI 1861752586 (704) 384-7292

Novant Health Matthews Medical Center LLC

0.1 mi

Specialist

1500 MATTHEWS TOWNSHIP PKWY
Matthews, NC 28105

Reassigned Medicare billing, North Carolina enrollment
649 clinicians in this Medicare group

NPI 1184782419 (704) 384-6500

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 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.

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

99 services47 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

96 services57 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.

85 services72 patients

Test to measure expiratory airflow and volume 94010

This test, known as spirometry, assesses how well your lungs work. It measures how much air you can inhale, how much you can exhale and how quickly you can exhale. It's non-invasive and helps diagnose conditions like asthma or COPD.

59 services59 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.

54 services50 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

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.

54 services44 patients

Test to examine how well the lungs exchange gases 94729

This is a test called a pulmonary function test, which helps understand the efficiency of your lungs. It measures how much air your lungs can hold, how quickly you can move air in and out of your lungs, and how well your lungs put oxygen into and remove carbon dioxide from your blood.

41 services40 patients

Test for exercise-induced lung stress 94618

An exercise-induced lung stress test assesses how your lungs respond to physical activity. During the test, you'll exercise on a treadmill or stationary bike while your heart rate, breathing, blood pressure, and oxygen levels are monitored. This helps identify any abnormal lung responses to exercise.

39 services36 patients

Test to determine lung volumes using sensors 94726

This test, called spirometry, measures lung capacity using sensors. You breathe into a mouthpiece attached to a device that records the amount and rate of air you inhale and exhale. It helps diagnose and monitor lung conditions.

37 services36 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

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.

37 services37 patients

Test to measure the level of nitric oxide gas 95012

A test to measure the level of nitric oxide gas helps assess inflammation in the lungs, often linked with asthma. You'll breathe into a device, and it'll provide a reading of nitric oxide levels. This helps monitor and manage respiratory conditions.

36 services31 patients

Test to measure expiratory airflow and volume changes before and after medication administration 94060

This procedure measures how air flows in and out of your lungs. It's done before and after medication to see if the treatment improves your breathing. It's a simple, non-invasive test that involves breathing into a device called a spirometer.

33 services33 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

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.

32 services31 patients

Test to determine lung volumes using sensors 94726

31 services31 patients

Test to examine how well the lungs exchange gases 94729

31 services31 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

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.

28 services28 patients

Test to measure expiratory airflow and volume 94010

27 services27 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

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.

27 services23 patients

Assessment of emotional or behavioral problems 96127

Assessment of emotional or behavioral problems involves a thorough evaluation of your feelings, thoughts, and behaviors. It's a process where professionals study patterns over time to identify potential issues like anxiety, depression, or other mental health conditions.

26 services26 patients

Critical care, each additional 30 minutes 99292

Critical care refers to special attention given to patients facing life-threatening conditions. Each additional 30 minutes indicates the extension of this specialized care. This might include close monitoring, medication adjustments, and immediate interventions as needed.

25 services17 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

24 services24 patients

Evaluation of use of breathing device 94664

The evaluation of a breathing device involves checking how effectively you're using it to manage your respiratory condition. It assesses the device's fit, your comfort, and your technique to ensure optimal results.

23 services22 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

17 services16 patients

Test to measure expiratory airflow and volume changes before and after medication administration 94060

16 services16 patients

Smoking and tobacco use intensive counseling, more than 10 minutes 99407

This service involves an in-depth discussion about the risks of smoking and tobacco use, spanning over 10 minutes. It provides personalized strategies to quit smoking, including coping techniques for withdrawal symptoms and triggers. The goal is to support your journey towards a healthier lifestyle.

16 services12 patients

Irrigation and suction of lung airways to obtain cells using an endoscope 31624

This is a procedure where a thin, flexible tube called an endoscope is inserted through your mouth into the lungs. A small amount of saline is then introduced to wash the airways. The fluid, along with cells from the lung, is suctioned back for analysis.

12 services12 patients

Hospital Affiliations CMS Care Compare 4

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

Novant Health Presbyterian Medical Center

Acute Care Hospitals · Charlotte, NC

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number340053

Location200 Hawthorne Lane Box 33549Charlotte, NC 28233 · Mecklenburg County

Emergency services Birthing friendly

Novant Health Matthews Medical Center

Acute Care Hospitals · Matthews, NC

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number340171

Location1500 Matthews Twnshp Prkwy Box 3310Matthews, NC 28106 · Mecklenburg County

Emergency services Birthing friendly

Novant Health Mint Hill Medical Center

Acute Care Hospitals · Charlotte, NC

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number340190

Location8201 Healthcare LoopCharlotte, NC 28215 · Mecklenburg County

Emergency services Birthing friendly

Novant Health Ballantyne Medical Center

Acute Care Hospitals · Charlotte, NC

OwnershipVoluntary non-profit - Private

CMS Certification Number340195

Location10905 Providence Road WCharlotte, NC 28277 · Mecklenburg County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 28105 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

$125.01 typical visit price

range $54.12 – $165.09

Typical copayment $31.25 (range $13.53 – $41.27)

Most-billed visit code 99204

Established Patient

$95.94 typical visit price

range $17.21 – $134.61

Typical copayment $23.98 (range $4.30 – $33.65)

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.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

2 suppliers12 claims14 services$63.33 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 7

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

NOVANT HEALTH MEDICAL GROUP, LLC

Thoracic Surgery (Cardiothoracic Vascular Surgery)