Physician Profile
Based in Dallas, TX, Mariam El-Ashmawy, MD, PhD is listed in the NPI registry under hematology/oncology. Mariam is also listed as specializing in hematology & oncology. Medicare claims data shows Mariam provided 292 services to 119 patients. The services billed most often include established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, and prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or. NPI 1750816641 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
6202 HARRY HINES BLVD
Dallas, TX 75235
161 Fort Washington Ave
New York, NY 10032
Within Hematology and Oncology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
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292 services · 119 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
119 | As often as other peers in Hematology/Oncology |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
85 | As often as other peers in Hematology/Oncology |
| Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or | Billing code | G2212 |
35 | As often as other peers in Hematology/Oncology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
33 | Less often than most peers in Hematology/Oncology |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
20 | Less often than most peers in Hematology/Oncology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. El-Ashmawy is a hematology/oncology in Dallas, TX. That is the designation recorded for this NPI in the federal registry.
NPI registry
Dr. El-Ashmawy is listed at 6202 Harry Hines Blvd, Dallas, TX 75235. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (214) 645-3999. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. El-Ashmawy's National Provider Identifier is 1750816641. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. El-Ashmawy attended Other, graduating in 2017. This comes from the CMS National Downloadable File.
CMS public data
Dr. El-Ashmawy has 9 years experience. Calculated from a graduation year of 2017, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. El-Ashmawy the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. El-Ashmawy. If this is you, claiming it is free.
Guide.md
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