Mark Crosby, D.O.
Emergency Medicine Physician · El Paso, TX
Mark Crosby, D.O. is an emergency medicine physician with a practice address in El Paso, Texas, and NPI 1477713154, issued on Jun 16, 2008. Check the license (Texas Q8456, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mark Crosby
- Credential
- D.O.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- Q8456 TX
011244 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 1801 N Oregon St, El Paso, TX 79902
- Phone
- (915) 521-1266
- Enumerated
- Jun 16, 2008
- Record last updated
- Apr 24, 2025
- Medicare enrollment
- Enrolled (PECOS I20160729000336); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 4,885 in Texas → Look up another NPI →
Also registered at 1801 N Oregon St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Josue Alvarado, CRNACertified Registered Nurse Anesthetist1003520461
- Scott Barnes, DOEmergency Medicine Physician1902223191
- Philip Becker, MDAnesthesiology Physician1891783460
- Cesar Berdeja, MDAnesthesiology Physician1144218561
Verify Mark Crosby in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license Q8456Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% more Medicare Part D claims than the average emergency medicine physician in 2024
418 Medicare Part D claims for 284 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 70 claims were for opioids.
Most prescribed
- Acetaminophen-Codeine67 claims
- Ondansetron Odt52 claims
- Ibuprofen48 claims
- Nitrofurantoin Mono-Macro38 claims
- Dicyclomine Hcl28 claims
- Sulfamethoxazole-Trimethoprim18 claims
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.
Bills Medicare through 2 group practices
- Emergency Services OF Texas PAEl Paso, TX
- Tec Emergency Physicians OF Arizona, LLCLaveen, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Crosby among 4,885 emergency medicine physician records in Texas
Mark Crosby, D.O. 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 fileYes · 57% of these records are
- Graduated2008 · median 2013 among the 2,779 with a school on file
- Record last updated2025 · 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).
179 emergency medicine physician records list a practice address in El Paso
They are 179 of the 11,091 NPPES records with a practice address in El Paso, and 4,885 emergency medicine physician records in Texas.
All 4,885 in Texas → Every provider in El Paso → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Emma Almanza, MDEl Paso, TX 799021184683419
- Armando Beltran, M.D.El Paso, TX 799021649267295
- Kenneth Berumen, M.D.El Paso, TX 799021588661243
- Suresh Chavda, M.D.El Paso, TX 799021689627846
- Randy Goldstein, M.D.El Paso, TX 799021487644498
- William Harper, MDEl Paso, TX 799021922060425
- Sergio Ibarra, MDEl Paso, TX 799021124067228
- Paul Mallett, MDEl Paso, TX 799021700809803
Common questions
What is Mark Crosby, D.O.'s NPI number?
Mark Crosby, D.O.'s National Provider Identifier (NPI) is 1477713154, issued on Jun 16, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Mark Crosby, D.O. located?
The NPPES record lists a practice address at 1801 N Oregon St, El Paso, TX, 79902. Phone: (915) 521-1266. Providers update this record themselves, so call before visiting.
How can I verify Mark Crosby, D.O.'s license?
NPPES lists Texas license number Q8456, 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 Mark Crosby, D.O. prescribe under Medicare Part D?
In 2024, Mark Crosby, D.O. had 418 Medicare Part D claims for 284 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.