Otto Marquez, MD
Emergency Medicine Physician · Dallas, TX
Otto Marquez, MD is an emergency medicine physician with a practice address in Dallas, Texas, and NPI 1942243365, issued on Jun 14, 2006. Check the license (Texas H9466, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Otto Marquez
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- H9466 TX
Self-reported in NPPES; status is on the state search - Practice location
- 8200 Walnut Hill LN, Dallas, TX 75231
- Phone
- (214) 345-6789
- Enumerated
- Jun 14, 2006
- Record last updated
- Feb 11, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicaid ID
- 137902606 TX
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 4,885 in Texas → Look up another NPI →
Also registered at 8200 Walnut Hill LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Otto Marquez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license H9466Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average emergency medicine physician in 2024
25 Medicare Part D claims for 12 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Otto Marquez among 4,885 emergency medicine physician records in Texas
Otto Marquez, MD 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 67% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2008 · 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).
512 emergency medicine physician records list a practice address in Dallas
They are 512 of the 36,304 NPPES records with a practice address in Dallas, and 4,885 emergency medicine physician records in Texas.
All 4,885 in Texas → Every provider in Dallas → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Christopher Black, M.D.Dallas, TX 752311801872551
- Albert Broders, MDDallas, TX 752311699721415
- Stephen Burgher, MDDallas, TX 752311215927017
- Jeffery Butterfield, MDDallas, TX 752311689620445
- Samuel Crowley, M.D.Dallas, TX 752311215991021
- Michael Fawcett, MDDallas, TX 752311114974748
- Lawrence Hum, MDDallas, TX 752311326089459
- Isaac Jhingree, M.D.Dallas, TX 752311679559181
Common questions
What is Otto Marquez, MD's NPI number?
Otto Marquez, MD's National Provider Identifier (NPI) is 1942243365, issued on Jun 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Otto Marquez, MD located?
The NPPES record lists a practice address at 8200 Walnut Hill LN, Dallas, TX, 75231. Phone: (214) 345-6789. Providers update this record themselves, so call before visiting.
How can I verify Otto Marquez, MD's license?
NPPES lists Texas license number H9466, 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 Otto Marquez, MD prescribe under Medicare Part D?
In 2024, Otto Marquez, MD had 25 Medicare Part D claims for 12 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.