Christopher David Diaz, M.D.
Emergency Medicine Physician · Tyler, TX
Christopher David Diaz, M.D. is an emergency medicine physician with a practice address in Tyler, Texas, and NPI 1376530188, issued on Oct 6, 2005. Check the license (Texas N9692, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Christopher David Diaz
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- N9692 TX
35.085504 OH
Self-reported in NPPES; status is on the state search - Practice location
- 800 E Dawson St, Tyler, TX 75701
- Phone
- (903) 593-8441
- Enumerated
- Oct 6, 2005
- Record last updated
- Jul 10, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicaid IDs
- 283196801 TX
283196802 TX
283196803 TX
283196809 TX - Medicare enrollment
- Enrolled (PECOS I20110805000511); accepts Medicare assignment
- Medical or professional school
- University Of Toledo College Of Medicine, 2003
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 4,885 in Texas → Look up another NPI →
Also registered at 800 E Dawson St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Christopher David Diaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license N9692Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% fewer Medicare Part D claims than the average emergency medicine physician in 2024
201 Medicare Part D claims for 133 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 39 claims were for opioids.
Most prescribed
- Prednisone35 claims
- Hydrocodone-Acetaminophen33 claims
- Albuterol Sulfate Hfa19 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 one group practice
- Integrative Emergency Services Physician Group-Houston PLLCPasadena, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christopher David Diaz among 4,885 emergency medicine physician records in Texas
Christopher David Diaz, M.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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 94% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2003 · median 2013 among the 2,779 with a school on file
- Record last updated2015 · 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).
86 emergency medicine physician records list a practice address in Tyler
They are 86 of the 5,531 NPPES records with a practice address in Tyler, and 4,885 emergency medicine physician records in Texas.
All 4,885 in Texas → Every provider in Tyler → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Mark Anderson, MDTyler, TX 757011346289055
- Daniel Baber, MDTyler, TX 757011538112024
- Martin Baum, MDTyler, TX 757011508805755
- Robert CreathTyler, TX 757011972542587
- Luis Haro, MDTyler, TX 757011093794109
- Bradley King, MDTyler, TX 757011639118367
- Colin Marino, MDTyler, TX 757011578519849
- William Moore, MDTyler, TX 757011811936438
Common questions
What is Christopher David Diaz, M.D.'s NPI number?
Christopher David Diaz, M.D.'s National Provider Identifier (NPI) is 1376530188, issued on Oct 6, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Christopher David Diaz, M.D. located?
The NPPES record lists a practice address at 800 E Dawson St, Tyler, TX, 75701. Phone: (903) 593-8441. Providers update this record themselves, so call before visiting.
How can I verify Christopher David Diaz, M.D.'s license?
NPPES lists Texas license number N9692, 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 Christopher David Diaz, M.D. prescribe under Medicare Part D?
In 2024, Christopher David Diaz, M.D. had 201 Medicare Part D claims for 133 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.