DR. NANCY SUZANNE ONISKO D.O.
NPI 1104025337
Emergency Medicine in Dallas, TX

Active since July 17, 2007PECOS EnrolledAccepts Medicare Assignment
74.59/100
CMS Quality Rating
5323 HARRY HINES BLVD, MC 8890, DALLAS, TX 75390(623) 261-8154 Get Directions Write a Review

NPPES record last updated: March 17, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Nancy Suzanne Onisko D.o. NPPES

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

DR. NANCY SUZANNE ONISKO D.O. (NPI 1104025337) is an individual emergency medicine provider in Dallas, Texas, licensed in Texas (P7685) and active in the NPI registry since July 2007. She is enrolled in Medicare PECOS, is affiliated with Parkland Health & Hospital System, and is a graduate of Arizona College Of Osteopathic Medicine Mid Western University (2003).

NPPES Registry Identity

NPI1104025337
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameDR. NANCY SUZANNE ONISKOCredential: D.O.
Location Address5323 HARRY HINES BLVD, MC 8890Dallas, TX 75390-8890
Mailing Address5323 Harry Hines Blvd, Mc 8890Dallas, TX 75390-8890 · (623) 261-8154
Sole ProprietorNo
Medical School CMSArizona College Of Osteopathic Medicine Mid Western UniversityGraduated 2003
Enumeration DateJuly 17, 2007
Last NPPES UpdateMarch 17, 2026
NPPES CertifiedMarch 17, 2026
NPI 1104025337 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License Licensed in TX · P7685
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
5323 HARRY HINES BLVD, Dallas, TX 75390

Other Identifiers 1

Medicaid1104025337CA

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

Dr. Nancy Suzanne Onisko D.o. 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 ID1759431000
PECOS Enrollment IDI20140212001140
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 2

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.

Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
19 services19 patients
Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
19 services18 patients

Hospital Affiliations CMS Care Compare

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

Parkland Health & Hospital System

Acute Care Hospitals · Dallas, TX
2/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number450015
Location5200 Harry Hines BlvdDallas, TX 75235 · Dallas County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75390 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
$88.19 typical visit price
range $57.18 – $172.86
Typical copayment $22.04 (range $14.29 – $43.21)
Most-billed visit code 99203
Established Patient
$100.80 typical visit price
range $18.48 – $141.20
Typical copayment $25.20 (range $4.62 – $35.30)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

74.59/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality56.12
Promoting Interoperability100
Improvement Activities40
Cost59.2

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
5323 HARRY HINES BLVD
DALLAS, TX 75390
Anesthesiology
5323 HARRY HINES BLVD
DALLAS, TX 75390
Pediatrics
5323 HARRY HINES BLVD
DALLAS, TX 75390
Anesthesiology
5323 HARRY HINES BLVD
DALLAS, TX 75390
Internal Medicine (Infectious Disease)
5323 HARRY HINES BLVD
DALLAS, TX 75390
Pain Medicine (Interventional Pain Medicine)
5323 HARRY HINES BLVD
DALLAS, TX 75390
Internal Medicine (Hematology)
5323 HARRY HINES BLVD
DALLAS, TX 75390
Pediatrics
5323 HARRY HINES BLVD
DALLAS, TX 75390

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 Nancy Onisko's NPI number?

The NPI number for Nancy Onisko is 1104025337. It was assigned to this individual provider in the NPPES registry on July 17, 2007.

Where is Nancy Onisko located?

Nancy Onisko practices at 5323 Harry Hines Blvd Mc 8890, Dallas, TX 75390. The listed phone number is (623) 261-8154.

What is Nancy Onisko's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Nancy Onisko enrolled in Medicare?

Yes. Nancy Onisko 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 Nancy Onisko accept?

Health plans from Blue Cross and Blue Shield of Texas list Nancy Onisko 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 Nancy Onisko affiliated with any hospitals?

According to CMS data, Nancy Onisko is affiliated with Parkland Health & Hospital System.

When was this NPI record last updated?

The NPPES record for Nancy Onisko was last updated on March 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.