NPPES file of Aug 9, 2026

Karen Luo, MD

Internal Medicine Physician · El Paso, TX

Karen Luo, MD is an internal medicine physician with a practice address in El Paso, Texas, and NPI 1326676867, issued on Mar 30, 2020. Check the license 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
1326676867
Name
Karen Luo
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
324596 NY
01098426A IN
Self-reported in NPPES; status is on the state search
Practice location
10175 Gateway Blvd W Ste 100, El Paso, TX 79925
Phone
(915) 283-3965
Enumerated
Mar 30, 2020
Record last updated
Feb 18, 2026
Medicare enrollment
Enrolled (PECOS I20240402000298); accepts Medicare assignment
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 10175 Gateway Blvd W Ste 100

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

  1. Sarah BarrazaInternal Medicine Physician1619554383
  2. Harsimrandeep Bhatti, MDStudent in an Organized Health Care Education/Training Program1013594027
  3. Zefr Chao, MDStudent in an Organized Health Care Education/Training Program1508445164
  4. Mitchell DavisStudent in an Organized Health Care Education/Training Program1841878634
  5. Anaam Fayyaz, MDStudent in an Organized Health Care Education/Training Program1396322376
  6. Akash Hazari, MDNephrology Physician1730717240

Verify Karen Luo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical BoardCheck 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

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93% fewer Medicare Part D claims than the average internal medicine physician in 2024

224 Medicare Part D claims for 98 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.

  1. Karen Luo224
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium15 claims
  2. Pantoprazole Sodium13 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 2 group practices

  1. Galen Inpatient Physicians PCTerre Haute, IN
  2. New York Medical Physician Associates PCSuffern, NY

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

Karen Luo among 9,175 internal medicine physician records in Texas

Karen Luo, MD is one of 9,175 internal medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 85% of them.

  • NPI issued2020 · 85% of these records are older, 12% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2020 · median 2004 among the 6,088 with a school on file
  • Record last updated2026 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

262 internal medicine physician records list a practice address in El Paso

They are 262 of the 11,091 NPPES records with a practice address in El Paso, and 9,175 internal medicine physician records in Texas.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Blane Alost, MDEl Paso, TX 799251295239515
  2. Jose Barahona, M.D.El Paso, TX 799251720151509
  3. Cesar Calianga, M.D.El Paso, TX 799251255301834
  4. Gregorio Joel Castillo, M.D.El Paso, TX 799251184695488
  5. Gabriela Hunko, M.D.El Paso, TX 799251063427433
  6. Adam Lukasik, MDEl Paso, TX 799251497806202
  7. Gregory Martin, M.D.El Paso, TX 799251326107657
  8. Nilesh Mehta, M.D.El Paso, TX 799251225045735

Common questions

What is Karen Luo, MD's NPI number?

Karen Luo, MD's National Provider Identifier (NPI) is 1326676867, issued on Mar 30, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Karen Luo, MD located?

The NPPES record lists a practice address at 10175 Gateway Blvd W Ste 100, El Paso, TX, 79925. Phone: (915) 283-3965. Providers update this record themselves, so call before visiting.

How can I verify Karen Luo, MD's license?

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 Karen Luo, MD prescribe under Medicare Part D?

In 2024, Karen Luo, MD had 224 Medicare Part D claims for 98 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.