Andres J. Guillermo, M.D.
Family Medicine Physician · Lake Charles, LA
Andres J. Guillermo, M.D. is a family medicine physician with a practice address in Lake Charles, Louisiana, and NPI 1639379837, issued on Jul 25, 2007. Check the license (Louisiana MD.203910, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Andres J. Guillermo
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD.203910 LA
Self-reported in NPPES; status is on the state search - Practice location
- 501 Dr Michael Debakey Dr, Lake Charles, LA 70601
- Phone
- (337) 419-1958
- Enumerated
- Jul 25, 2007
- Record last updated
- Aug 17, 2022
- Fax
- (337) 419-1947
- Medicaid ID
- 1005690 LA
- Medicare enrollment
- Enrolled (PECOS I20101211000128); may accept Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,728 in Louisiana → Look up another NPI →
Also registered at 501 Dr Michael Debakey Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Heather Adams, N.P.Family Nurse Practitioner1962813105
- Kara Babaz, APRNAdult Health Nurse Practitioner1700164290
- Candice BoudreauxNurse Practitioner1780196907
- Jason Burklow, M.D.Family Medicine Physician1740600683
- Gerald Byrd, MDGastroenterology Physician1083676241
- Kelsey Cobb, FNPNurse Practitioner1336534064
Verify Andres J. Guillermo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license MD.203910Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average family medicine physician in 2024
8,862 Medicare Part D claims for 445 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 97 claims were for opioids.
Most prescribed
- Atorvastatin Calcium351 claims
- Amlodipine Besylate338 claims
- Rosuvastatin Calcium302 claims
- Levothyroxine Sodium284 claims
- Gabapentin211 claims
- Pantoprazole Sodium198 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: $2,550.89
172 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Imperial Health LLPJennings, LA
- Physical Therapy Services OF West Louisiana IncLeesville, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Andres J. Guillermo among 1,728 family medicine physician records in Louisiana
Andres J. Guillermo, M.D. is one of 1,728 family medicine physician records with a practice address in Louisiana. 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 2007, is newer than 44% of them.
- NPI issued2007 · 44% of these records are older, 45% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2010 · median 2006 among the 1,201 with a school on file
- Record last updated2022 · 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 207Q00000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
94 family medicine physician records list a practice address in Lake Charles
They are 94 of the 2,791 NPPES records with a practice address in Lake Charles, and 1,728 family medicine physician records in Louisiana.
All 1,728 in Louisiana → Every provider in Lake Charles → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Bryan Barootes, MDLake Charles, LA 706011326040858
- Richard Caldwell, M.D.Lake Charles, LA 706011952392532
- Dennis Fletcher, M.D.Lake Charles, LA 706011881668390
- Carolyn Hutchinson, M.D.Lake Charles, LA 706011609852839
- Percival Kane, M.D.Lake Charles, LA 706011780660910
- Alan Lebato, MDLake Charles, LA 706011528069739
- Keith Lechtenberg, M.D.Lake Charles, LA 706011720060346
- Danette Null, M.D.Lake Charles, LA 706011336129444
Common questions
What is Andres J. Guillermo, M.D.'s NPI number?
Andres J. Guillermo, M.D.'s National Provider Identifier (NPI) is 1639379837, issued on Jul 25, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Andres J. Guillermo, M.D. located?
The NPPES record lists a practice address at 501 Dr Michael Debakey Dr, Lake Charles, LA, 70601. Phone: (337) 419-1958. Providers update this record themselves, so call before visiting.
How can I verify Andres J. Guillermo, M.D.'s license?
NPPES lists Louisiana license number MD.203910, as entered by the provider. Search the Louisiana State Board of Medical Examiners at https://www.lsbme.la.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Andres J. Guillermo, M.D. prescribe under Medicare Part D?
In 2024, Andres J. Guillermo, M.D. had 8,862 Medicare Part D claims for 445 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.