NPPES file of Aug 9, 2026

Christien Kluwe, MD

Radiation Oncology Physician · San Antonio, TX

Christien Kluwe, MD is a radiation oncology physician with a practice address in San Antonio, Texas, and NPI 1023498748, issued on Jun 8, 2015. Check the license (Texas T8861, 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
1023498748
Name
Christien Kluwe
Credential
MD
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License number
T8861 TX
Self-reported in NPPES; status is on the state search
Practice location
7979 Wurzbach RD FL 2, San Antonio, TX 78229
Phone
(210) 450-6490
Enumerated
Jun 8, 2015
Record last updated
Jul 26, 2023
Medicare enrollment
Enrolled (PECOS I20220923002535); accepts Medicare assignment
Medical or professional school
University Of Texas Medical Branch At Galveston, 2015
Telehealth
Offers telehealth (CMS)
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.
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Also registered at 7979 Wurzbach RD FL 2

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

  1. Mohamad Fakhreddine, M.D.Radiation Oncology Physician1790128783
  2. Eva Galvan, M.D.Radiation Oncology Physician1275910390
  3. Timothy Wagner, MD, MBARadiation Oncology Physician1619169935

Verify Christien Kluwe in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license T8861
    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.

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1% fewer Medicare Part D claims than the average radiation oncology physician in 2024

133 Medicare Part D claims for 51 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims. 14 claims were for opioids.

  1. Christien Kluwe133
  2. Specialty average134

Most prescribed

  1. Orgovyx24 claims
  2. Tamsulosin Hcl23 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: $101.48

1 payment: food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Christien Kluwe$101.48
  2. Specialty average$1,897.85

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

Bills Medicare through one group practice

  1. University OF Texas Health Science Center AT San AntonioSan Antonio, TX

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

Christien Kluwe among 449 radiation oncology physician records in Texas

Christien Kluwe, MD is one of 449 radiation oncology physician records with a practice address in Texas. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 79% of them.

  • NPI issued2015 · 79% of these records are older, 16% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 78% of these records are
  • Graduated2015 · median 2004 among the 348 with a school on file
  • Record last updated2023 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Radiation Oncology Physician providers in Texas

There are 449 radiation oncology physician records in Texas.

The 8 radiation oncology physician records with the nearest ZIP codes

  1. Ardow Ameduri, M.D.San Antonio, TX 782291861412348
  2. Mark Bonnen, M.D.San Antonio, TX 782291215962287
  3. Keith Eyre, M.D.San Antonio, TX 782291841223351
  4. Mohamad Fakhreddine, M.D.San Antonio, TX 782291790128783
  5. Eva Galvan, M.D.San Antonio, TX 782291275910390
  6. Chul Ha, M.D.San Antonio, TX 782291891894705
  7. William Jones, MDSan Antonio, TX 782291952583148
  8. Gary Lewis, MDSan Antonio, TX 782291831509330

Common questions

What is Christien Kluwe, MD's NPI number?

Christien Kluwe, MD's National Provider Identifier (NPI) is 1023498748, issued on Jun 8, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Christien Kluwe, MD located?

The NPPES record lists a practice address at 7979 Wurzbach RD FL 2, San Antonio, TX, 78229. Phone: (210) 450-6490. Providers update this record themselves, so call before visiting.

How can I verify Christien Kluwe, MD's license?

NPPES lists Texas license number T8861, 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 Christien Kluwe, MD prescribe under Medicare Part D?

In 2024, Christien Kluwe, MD had 133 Medicare Part D claims for 51 beneficiaries; the average among radiation oncology physician prescribers was 134. 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.