MICHAEL ANTHONY NASIAK M.D.
NPI 1821076449
Internal Medicine in Las Vegas, NV

Active since January 04, 2006PECOS EnrolledAccepts Medicare Assignment
5755 E CHARLESTON BLVD, LAS VEGAS, NV 89142(702) 383-6250(702) 224-7194 Get Directions Write a Review

NPPES record last updated: January 7, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jan 7, 2026, Mar 7, 2023, Mar 31, 2016 (3 updates tracked since 2016).

About Michael Anthony Nasiak M.d. NPPES

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

MICHAEL ANTHONY NASIAK M.D. (NPI 1821076449) is an individual internal medicine provider in Las Vegas, Nevada, licensed in Nevada (8337) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS and is a graduate of State University Of New York At Buffalo School Of Medicine (1994).

NPPES Registry Identity

NPI1821076449
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMICHAEL ANTHONY NASIAKCredential: M.D.
Location Address5755 E CHARLESTON BLVDLas Vegas, NV 89142-1004
Mailing Address1800 W Charleston BlvdLas Vegas, NV 89102-2386 · (702) 383-2000
Fax(702) 224-7194
Sole ProprietorNo
Medical School CMSState University Of New York At Buffalo School Of MedicineGraduated 1994
Enumeration DateJanuary 4, 2006
Last NPPES UpdateJanuary 7, 20263 updates tracked since enumeration
NPPES CertifiedJanuary 7, 2026
NPI 1821076449 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in NV · 8337
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
5755 E CHARLESTON BLVD, Las Vegas, NV 89142

Other Identifiers 2

Medicaid002002827NV
Medicaid100500484NV

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

Michael Anthony Nasiak 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 ID9133257629
PECOS Enrollment IDI20100504000162
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 6

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.
170 services118 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.
61 services52 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.
52 services45 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.
28 services27 patients
Routine electrocardiogram (ecg) using at least 12 leads with tracing 93005
An Electrocardiogram (ECG) is a simple, painless test that records the heart's electrical activity. Using 12 leads attached to your skin, it generates a tracing of your heart rhythm. It helps detect any heart problems by showing the timing and strength of electrical signals passing through each part of your heart.
15 services15 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.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 89142 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
$131.25 typical visit price
range $57.07 – $173.24
Typical copayment $32.81 (range $14.26 – $43.31)
Most-billed visit code 99204
Established Patient
$100.60 typical visit price
range $18.27 – $140.96
Typical copayment $25.15 (range $4.56 – $35.24)
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 8

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

Nurse Practitioner (Family)
5755 E CHARLESTON BLVD
LAS VEGAS, NV 89142
Emergency Medicine
5755 E CHARLESTON BLVD
LAS VEGAS, NV 89142
Family Medicine
5755 E CHARLESTON BLVD
LAS VEGAS, NV 89142
Nurse Practitioner (Family)
5755 E CHARLESTON BLVD
LAS VEGAS, NV 89142
Nurse Practitioner (Family)
5755 E CHARLESTON BLVD
LAS VEGAS, NV 89142
Nurse Practitioner (Family)
5755 E CHARLESTON BLVD
LAS VEGAS, NV 89142
Internal Medicine
5755 E CHARLESTON BLVD
LAS VEGAS, NV 89142
Hospitalist
5755 E CHARLESTON BLVD
LAS VEGAS, NV 89142

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 Michael Nasiak's NPI number?

The NPI number for Michael Nasiak is 1821076449. It was assigned to this individual provider in the NPPES registry on January 4, 2006.

Where is Michael Nasiak located?

Michael Nasiak practices at 5755 E Charleston Blvd, Las Vegas, NV 89142. The listed phone number is (702) 383-6250.

What is Michael Nasiak's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Michael Nasiak enrolled in Medicare?

Yes. Michael Nasiak 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 Michael Nasiak accept?

Health plans from Ambetter from Arizona Complete Health list Michael Nasiak 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.

When was this NPI record last updated?

The NPPES record for Michael Nasiak was last updated on January 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.