Doctor profile · Federal record
Dr. Nancy Onisko, D.O.
Emergency Medicine Physician (CMS: Emergency Medicine) · Dallas, TX
- NPI 1104025337
- Accepts Medicare
- MIPS 74.6 / 100 · 2023
- 23 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
5323 Harry Hines Blvd, Mc 8890
Dallas, TX 753908890
(623) 261-8154
Credentials & registration
- NPI registered
- July 2007 — 19 yrs on file
- Profile last updated
- March 17, 2026
- Year of graduation
- 2003 — 23 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- Texas #P7685
- Medicaid
- CA #1104025337
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1104025337. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
48
Distinct HCPCS
3
Medicare allowed
$5,866
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99284 |
Emergency department visit with moderate level of medical decision making | 21 | 21 | $120 | |
99285 |
Emergency department visit with high level of medical decision making | 14 | 13 | $174 | |
99283 |
Emergency department visit with low level of medical decision making | 13 | 13 | $71 |
In context: peer comparison
Among 162 peers in Dallas Emergency Medicine Physician, average services per provider: 94. This provider delivers 0.5× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Nancy Onisko's medical specialty?
Dr. Nancy Onisko practices Emergency Medicine Physician in Dallas, TX.
Where does Dr. Nancy Onisko practice?
Dr. Nancy Onisko practices at 5323 Harry Hines Blvd, Dallas, TX 753908890. Office phone: 6232618154.
What is Dr. Nancy Onisko's NPI?
Dr. Nancy Onisko's National Provider Identifier (NPI) is 1104025337, issued by NPPES.
Does Dr. Nancy Onisko accept Medicare assignment?
Yes. Dr. Nancy Onisko accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nancy Onisko commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with low level of medical decision making (HCPCS 99283). Source: CMS Medicare Physician & Other Practitioners file.