NPPES file of Aug 9, 2026

Christen Chalmers, MD

Student in an Organized Health Care Education/Training Program · Houston, TX

Christen Chalmers, MD is a student in an organized health care education/training program with a practice address in Houston, Texas, and NPI 1265011217, issued on Apr 6, 2021. Check the license with the Texas board that licenses this profession; 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
1265011217
Name
Christen Chalmers
Credential
MD
Primary taxonomy
Student in an Organized Health Care Education/Training Program 390200000X
Practice location
6431 Fannin St Ste Jjl 310, Houston, TX 77030
Phone
(713) 486-6998
Enumerated
Apr 6, 2021
Record last updated
Apr 6, 2026
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 6431 Fannin St Ste Jjl 310

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Hisham Abdelmotilib, MD, PHDNeurology Physician1417445677
  2. Benjamin AbrahamStudent in an Organized Health Care Education/Training Program1366282469
  3. Kumail Ali, DOStudent in an Organized Health Care Education/Training Program1568105773
  4. Azael Arizpe, M.DSports Medicine (Orthopaedic Surgery) Physician1518491588
  5. Angela Ballesteros, MDStudent in an Organized Health Care Education/Training Program1124913231
  6. Garrett BensonStudent in an Organized Health Care Education/Training Program1033868195

Verify Christen Chalmers in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Texas board licenses this professionCheck 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
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63% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024

69 Medicare Part D claims for 26 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 13 claims were for opioids.

  1. Christen Chalmers69
  2. Specialty average185

Most prescribed

  1. Oxycodone Hcl12 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.

Industry payments in 2024: $633.50

14 payments; by number, the most common kind was food and beverage; the largest payer was Stryker Corporation. The 13,278 providers of this specialty with any payment received $608.08 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Christen Chalmers$633.50
  2. Specialty average$608.08

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Christen Chalmers among 17,605 student in an organized health care education/training program records in Texas

Christen Chalmers, MD is one of 17,605 student in an organized health care education/training program records with a practice address in Texas. 23% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 14% of them.

  • NPI issued2021 · 14% of these records are older, 80% newer
  • In a Medicare fileYes · 23% of these records are
  • In the CMS Doctors and Clinicians fileNo · 2% of these records are
  • Record last updated2026 · 15% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

3,913 student in an organized health care education/training program records list a practice address in Houston

They are 3,913 of the 61,221 NPPES records with a practice address in Houston, and 17,605 student in an organized health care education/training program records in Texas.

The 8 student in an organized health care education/training program records with the nearest ZIP codes

  1. Grazia ArpinoHouston, TX 770301518118967
  2. Bridget Bennett, MDHouston, TX 770301073717559
  3. Michael Condron, MDHouston, TX 770301013162569
  4. John Fermo, MDHouston, TX 770301447464722
  5. Jose Gonzalez Berjon, M.D.Houston, TX 770301215182761
  6. Seiichi Kitahama, M.D.Houston, TX 770301295069086
  7. Khurram Mazhar, M.D.Houston, TX 770301184861841
  8. Masanori Mori, M.D.Houston, TX 770301366615262

Common questions

What is Christen Chalmers, MD's NPI number?

Christen Chalmers, MD's National Provider Identifier (NPI) is 1265011217, issued on Apr 6, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Christen Chalmers, MD located?

The NPPES record lists a practice address at 6431 Fannin St Ste Jjl 310, Houston, TX, 77030. Phone: (713) 486-6998. Providers update this record themselves, so call before visiting.

How can I verify Christen Chalmers, MD's license?

Search the Texas board that licenses this profession; the NPPES record confirms identity only.

How much does Christen Chalmers, MD prescribe under Medicare Part D?

In 2024, Christen Chalmers, MD had 69 Medicare Part D claims for 26 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. 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.