Claudia Estefania Guillen Lopez, MD
Student in an Organized Health Care Education/Training Program · Houston, TX
Claudia Estefania Guillen Lopez, MD is a student in an organized health care education/training program with a practice address in Houston, Texas, and NPI 1881335073, issued on Apr 5, 2022. Check the license with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Claudia Estefania Guillen Lopez
- Credential
- MD
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- License number
- 125079457 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1 Baylor Plz # Bcm185, Houston, TX 77030
- Phone
- (713) 798-4795
- Enumerated
- Apr 5, 2022
- Record last updated
- Sep 11, 2025
- Fax
- (713) 798-0223
- Entity
- Type 1 · individual
8 nearest student in an organized health care education/training program records → All 17,605 in Texas → Look up another NPI →
Verify Claudia Estefania Guillen Lopez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
20% more Medicare Part D claims than the average student in an organized health care education/training program in 2024
222 Medicare Part D claims for 55 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium24 claims
- Losartan Potassium17 claims
- Metformin Hcl11 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.
Claudia Estefania Guillen Lopez among 17,605 student in an organized health care education/training program records in Texas
Claudia Estefania Guillen Lopez, 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 2022, is newer than 20% of them.
- NPI issued2022 · 20% of these records are older, 71% newer
- In a Medicare fileYes · 23% of these records are
- In the CMS Doctors and Clinicians fileNo · 2% of these records are
- Record last updated2025 · 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.
All 17,605 in Texas → Every provider in Houston → Student in an Organized Health Care Education/Training Program nationwide →
The 8 student in an organized health care education/training program records with the nearest ZIP codes
- Grazia ArpinoHouston, TX 770301518118967
- Bridget Bennett, MDHouston, TX 770301073717559
- Michael Condron, MDHouston, TX 770301013162569
- John Fermo, MDHouston, TX 770301447464722
- Jose Gonzalez Berjon, M.D.Houston, TX 770301215182761
- Seiichi Kitahama, M.D.Houston, TX 770301295069086
- Khurram Mazhar, M.D.Houston, TX 770301184861841
- Masanori Mori, M.D.Houston, TX 770301366615262
Common questions
What is Claudia Estefania Guillen Lopez, MD's NPI number?
Claudia Estefania Guillen Lopez, MD's National Provider Identifier (NPI) is 1881335073, issued on Apr 5, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Claudia Estefania Guillen Lopez, MD located?
The NPPES record lists a practice address at 1 Baylor Plz # Bcm185, Houston, TX, 77030. Phone: (713) 798-4795. Providers update this record themselves, so call before visiting.
How can I verify Claudia Estefania Guillen Lopez, MD's license?
Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Claudia Estefania Guillen Lopez, MD prescribe under Medicare Part D?
In 2024, Claudia Estefania Guillen Lopez, MD had 222 Medicare Part D claims for 55 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.