Robert Szema, M.D., PH.D.
Emergency Medicine Physician · Houston, TX
Robert Szema, M.D., PH.D. is an emergency medicine physician with a practice address in Houston, Texas, and NPI 1639335417, issued on Jul 31, 2008. Check the license (Texas N4144, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Robert Szema
- Credential
- M.D., PH.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- N4144 TX
Self-reported in NPPES; status is on the state search - Practice location
- 921 Gessner RD, Houston, TX 77024
- Phone
- (713) 242-3070
- Enumerated
- Jul 31, 2008
- Record last updated
- Aug 5, 2010 (not updated in 16 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 4,885 in Texas → Look up another NPI →
Also registered at 921 Gessner RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Saikrishna Aleti, M.D.Internal Medicine Physician1497770077
- Marisol ArroyoGerontology Nurse Practitioner1699308601
- Muhammad AsifHospitalist Physician1578916490
- Rauvan Averick, MDEmergency Medicine Physician1801871603
- Karen Aycock, CRNACertified Registered Nurse Anesthetist1114379849
Verify Robert Szema in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license N4144Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average emergency medicine physician in 2024
50 Medicare Part D claims for 34 beneficiaries, against an average of 226 among the 54,106 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.
Robert Szema among 4,885 emergency medicine physician records in Texas
Robert Szema, M.D., PH.D. is one of 4,885 emergency medicine physician records with a practice address in Texas. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 41% of them.
- NPI issued2008 · 41% of these records are older, 55% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2010 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
818 emergency medicine physician records list a practice address in Houston
They are 818 of the 61,221 NPPES records with a practice address in Houston, and 4,885 emergency medicine physician records in Texas.
All 4,885 in Texas → Every provider in Houston → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Michelle Armada, MDHouston, TX 770241245499235
- Adan Atriham, MDHouston, TX 770241114957305
- Rauvan Averick, MDHouston, TX 770241801871603
- Nika Brusatori, M.D.Houston, TX 770241417974965
- Michael Cantu, M.D.Houston, TX 770241558387407
- Robert Carpenter, D.O.Houston, TX 770241538184999
- William Edwards, M.D.Houston, TX 770241306863840
- Katherine Healey, M.D.Houston, TX 770241174549026
Common questions
What is Robert Szema, M.D., PH.D.'s NPI number?
Robert Szema, M.D., PH.D.'s National Provider Identifier (NPI) is 1639335417, issued on Jul 31, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Robert Szema, M.D., PH.D. located?
The NPPES record lists a practice address at 921 Gessner RD, Houston, TX, 77024. Phone: (713) 242-3070. Providers update this record themselves, so call before visiting.
How can I verify Robert Szema, M.D., PH.D.'s license?
NPPES lists Texas license number N4144, 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 Robert Szema, M.D., PH.D. prescribe under Medicare Part D?
In 2024, Robert Szema, M.D., PH.D. had 50 Medicare Part D claims for 34 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
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.