Mariam El-Ashmawy, MD, PHD
Hematology & Oncology Physician · Dallas, TX
Mariam El-Ashmawy, MD, PHD is a hematology & oncology physician with a practice address in Dallas, Texas, and NPI 1750816641, issued on Apr 27, 2017. Check the license (Texas W3253, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mariam El-Ashmawy
- Credential
- MD, PHD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- W3253 TX
Self-reported in NPPES; status is on the state search - Practice location
- 6202 Harry Hines Blvd, Dallas, TX 75235
- Phone
- (214) 645-3999
- Enumerated
- Apr 27, 2017
- Record last updated
- Mar 9, 2026
- Medicare enrollment
- Enrolled (PECOS I20260313002832); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 922 in Texas → Look up another NPI →
Also registered at 6202 Harry Hines Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mariam El-Ashmawy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license W3253Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
24 Medicare Part D claims for 15 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Trustees OF Columbia University IN The City OF New YorkNew York, NY
- University OF Texas Southwestern Medical Center AT DallasDallas, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mariam El-Ashmawy among 922 hematology & oncology physician records in Texas
Mariam El-Ashmawy, MD, PHD is one of 922 hematology & oncology physician records with a practice address in Texas. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 88% of them.
- NPI issued2017 · 88% of these records are older, 10% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated2017 · median 2004 among the 691 with a school on file
- Record last updated2026 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Texas
There are 922 hematology & oncology physician records in Texas.
All 922 in Texas → Every provider in Dallas → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Glenda Delgado Ramos, M.D.Dallas, TX 752351356793319
- Clayton Jackson, MDDallas, TX 752351689029126
- Changchuan Jiang, M.D, MPHDallas, TX 752351881125011
- Amy Jones, MDDallas, TX 752351720422074
- Adeel Khan, MD MPHDallas, TX 752351376962357
- Jude Khatib, M.D.Dallas, TX 752351780054726
- Yazan Madanat, M.DDallas, TX 752351003256553
- Alka Mallik, M.D.Dallas, TX 752351215146386
Common questions
What is Mariam El-Ashmawy, MD, PHD's NPI number?
Mariam El-Ashmawy, MD, PHD's National Provider Identifier (NPI) is 1750816641, issued on Apr 27, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Mariam El-Ashmawy, MD, PHD located?
The NPPES record lists a practice address at 6202 Harry Hines Blvd, Dallas, TX, 75235. Phone: (214) 645-3999. Providers update this record themselves, so call before visiting.
How can I verify Mariam El-Ashmawy, MD, PHD's license?
NPPES lists Texas license number W3253, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mariam El-Ashmawy, MD, PHD prescribe under Medicare Part D?
In 2024, Mariam El-Ashmawy, MD, PHD had 24 Medicare Part D claims for 15 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Mariam El-Ashmawy, MD, PHD's MIPS final score?
The 2023 MIPS final score is 100 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.