NPPES file of Aug 9, 2026

Christina C. Chiang, MD

Emergency Medicine Physician · Houston, TX

Christina C. Chiang, MD is an emergency medicine physician with a practice address in Houston, Texas, and NPI 1740429208, issued on Feb 6, 2009. Check the license (Texas M9923, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1740429208
Name
Christina C. Chiang
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
M9923 TX
Self-reported in NPPES; status is on the state search
Practice location
921 Gessner Road, Houston, TX 77024
Phone
(713) 242-3000
Enumerated
Feb 6, 2009
Record last updated
Sep 13, 2024
Fax
(713) 242-3887
Medicare enrollment
Enrolled (PECOS I20090728000642); accepts Medicare assignment
Medical or professional school
University Of Texas Medical Branch At Galveston, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Verify Christina C. Chiang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license M9923
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

37% fewer Medicare Part D claims than the average emergency medicine physician in 2024

142 Medicare Part D claims for 89 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 19 claims were for opioids.

  1. Christina Chiang142
  2. Specialty average226

Most prescribed

  1. Celecoxib16 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

  1. Memorial Hermann Hospital Based Physician GroupHouston, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Christina C. Chiang among 4,885 emergency medicine physician records in Texas

Christina C. Chiang, 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 2009, is newer than 45% of them.

  • NPI issued2009 · 45% of these records are older, 52% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2006 · median 2013 among the 2,779 with a school on file
  • Record last updated2024 · 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.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Michelle Armada, MDHouston, TX 770241245499235
  2. Adan Atriham, MDHouston, TX 770241114957305
  3. Rauvan Averick, MDHouston, TX 770241801871603
  4. Nika Brusatori, M.D.Houston, TX 770241417974965
  5. Michael Cantu, M.D.Houston, TX 770241558387407
  6. Robert Carpenter, D.O.Houston, TX 770241538184999
  7. William Edwards, M.D.Houston, TX 770241306863840
  8. Katherine Healey, M.D.Houston, TX 770241174549026

Common questions

What is Christina C. Chiang, MD's NPI number?

Christina C. Chiang, MD's National Provider Identifier (NPI) is 1740429208, issued on Feb 6, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Christina C. Chiang, MD located?

The NPPES record lists a practice address at 921 Gessner Road, Houston, TX, 77024. Phone: (713) 242-3000. Providers update this record themselves, so call before visiting.

How can I verify Christina C. Chiang, MD's license?

NPPES lists Texas license number M9923, 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 Christina C. Chiang, MD prescribe under Medicare Part D?

In 2024, Christina C. Chiang, MD had 142 Medicare Part D claims for 89 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.