Javier Caldera-Nieves, MD
Emergency Medicine Physician · Dallas, TX
Javier Caldera-Nieves, MD is an emergency medicine physician with a practice address in Dallas, Texas, and NPI 1053358606, issued on Jun 1, 2006. Check the license (Texas L8634, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Javier Caldera-Nieves
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- L8634 TX
Self-reported in NPPES; status is on the state search - Practice location
- 3500 Gaston Ave, Dallas, TX 75246
- Phone
- (214) 820-2505
- Enumerated
- Jun 1, 2006
- Record last updated
- Oct 2, 2007 (not updated in 19 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 3500 Gaston Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Javier Caldera-Nieves in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license L8634Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
37% fewer Medicare Part D claims than the average emergency medicine physician in 2024
142 Medicare Part D claims for 25 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Levothyroxine Sodium20 claims
- Lovastatin12 claims
- Gemfibrozil11 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.
Javier Caldera-Nieves among 4,885 emergency medicine physician records in Texas
Javier Caldera-Nieves, 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 updated2007 · 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
- Edwin Austin, MDDallas, TX 752461255658555
- Jacquelyn Bowers, M.D.Dallas, TX 752461891906327
- James D'Etienne, MDDallas, TX 752461003834714
- Ali Farzad, M.D.Dallas, TX 752461457676892
- Nelson Jaeggli, M.D.Dallas, TX 752461972640472
- Brian Mayer, D.O.Dallas, TX 752461245546357
- David Mendelson, M.D.Dallas, TX 752461295793610
- Benjamin Morrissey, MDDallas, TX 752461023364866
Common questions
What is Javier Caldera-Nieves, MD's NPI number?
Javier Caldera-Nieves, MD's National Provider Identifier (NPI) is 1053358606, issued on Jun 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Javier Caldera-Nieves, MD located?
The NPPES record lists a practice address at 3500 Gaston Ave, Dallas, TX, 75246. Phone: (214) 820-2505. Providers update this record themselves, so call before visiting.
How can I verify Javier Caldera-Nieves, MD's license?
NPPES lists Texas license number L8634, 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 Javier Caldera-Nieves, MD prescribe under Medicare Part D?
In 2024, Javier Caldera-Nieves, MD had 142 Medicare Part D claims for 25 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.