Long Thanh Nguyendo, M.D.
Internal Medicine Physician · Fort Sam Houston, TX
Long Thanh Nguyendo, M.D. is an internal medicine physician with a practice address in Fort Sam Houston, Texas, and NPI 1285969162, issued on Oct 9, 2009. Check the license on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Long Thanh Nguyendo
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- C162879 CA
65981 GA
Self-reported in NPPES; status is on the state search - Practice location
- 3551 Roger Brooke Dr, Fort Sam Houston, TX 78234
- Phone
- (210) 916-5000
- Enumerated
- Oct 9, 2009
- Record last updated
- Apr 12, 2024
- Fax
- (210) 916-2777
- Medicare enrollment
- Enrolled (PECOS I20200728001613); accepts Medicare assignment
- Medical or professional school
- Uniformed Services Uhs Fe Hebert School Of Med, 2009
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 3551 Roger Brooke Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Adrianna Adams, LCSWClinical Social Worker1275265456
- John AdamsGeneral Practice Physician1134754898
- Jordan Adams, PAPhysician Assistant1336876598
- Oluwole Afuape, OTR/LOccupational Therapist1033593561
- Pierre Monverdy Agnant, MD, MPH, MBA, MACCInternal Medicine Physician1669868568
- Della Agquiz, PHARMDOncology Pharmacist1700538741
Verify Long Thanh Nguyendo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% more Medicare Part D claims than the average internal medicine physician in 2024
5,577 Medicare Part D claims for 971 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 441 claims were for opioids.
Most prescribed
- Atorvastatin Calcium380 claims
- Hydrocodone-Acetaminophen217 claims
- Amlodipine Besylate205 claims
- Losartan Potassium194 claims
- Lisinopril187 claims
- Rosuvastatin Calcium166 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 one group practice
- Southern California Permanente Medical GroupFontana, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Long Thanh Nguyendo among 9,175 internal medicine physician records in Texas
Long Thanh Nguyendo, M.D. 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 2009, is newer than 54% of them.
- NPI issued2009 · 54% of these records are older, 42% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2009 · median 2004 among the 6,088 with a school on file
- Record last updated2024 · 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).
46 internal medicine physician records list a practice address in Fort Sam Houston
They are 46 of the 2,124 NPPES records with a practice address in Fort Sam Houston, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Fort Sam Houston → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Timothy Acel, M.D.San Antonio, TX 782341043284797
- Himabindu Borra, MDForst Sam Houston, TX 782341710936596
- Misty Carlson, DOFt Sam Houston, TX 782341083662324
- Roberta Ficke, MDSan Antonio, TX 782341013996735
- Kirsten Goldhammer, MDSan Antonio, TX 782341558351114
- Rosalynn Kim, DOFort Sam Houston, TX 782341285605022
- Doreen Lounsbery, MDFort Sam Houston, TX 782341912903931
- Andre Ognibene, MDFort Sam Houston, TX 782341013908805
Common questions
What is Long Thanh Nguyendo, M.D.'s NPI number?
Long Thanh Nguyendo, M.D.'s National Provider Identifier (NPI) is 1285969162, issued on Oct 9, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Long Thanh Nguyendo, M.D. located?
The NPPES record lists a practice address at 3551 Roger Brooke Dr, Fort Sam Houston, TX, 78234. Phone: (210) 916-5000. Providers update this record themselves, so call before visiting.
How can I verify Long Thanh Nguyendo, M.D.'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 Long Thanh Nguyendo, M.D. prescribe under Medicare Part D?
In 2024, Long Thanh Nguyendo, M.D. had 5,577 Medicare Part D claims for 971 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.