Loui Chan Gatdula, MD
Internal Medicine Physician · Longview, TX
Loui Chan Gatdula, MD is an internal medicine physician with a practice address in Longview, Texas, and NPI 1528314721, issued on Jul 25, 2012. Check the license (Texas Q3516, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Loui Chan Gatdula
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- Q3516 TX
BP10044198 TX
Self-reported in NPPES; status is on the state search - Practice location
- 2101 W Loop 281, Longview, TX 75604
- Phone
- (903) 315-5600
- Enumerated
- Jul 25, 2012
- Record last updated
- Jun 17, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (903) 315-2757
- Medicare enrollment
- Enrolled (PECOS I20150611002572); accepts Medicare assignment
- 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 2101 W Loop 281
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Loui Chan Gatdula in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license Q3516Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average internal medicine physician in 2024
7,001 Medicare Part D claims for 509 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. 290 claims were for opioids.
Most prescribed
- Atorvastatin Calcium451 claims
- Amlodipine Besylate290 claims
- Pantoprazole Sodium208 claims
- Lisinopril178 claims
- Losartan Potassium171 claims
- Levothyroxine Sodium162 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: $211.50
2 payments; by number, the most common kind was food and beverage; the largest payer was Madrigal Pharmaceuticals. The 50,334 providers of this specialty with any payment received $1,303.06 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 one group practice
- Christus Trinity ClinicHenderson, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Loui Chan Gatdula among 9,175 internal medicine physician records in Texas
Loui Chan Gatdula, 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 2012, is newer than 63% of them.
- NPI issued2012 · 63% of these records are older, 34% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2005 · median 2004 among the 6,088 with a school on file
- Record last updated2016 · 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).
99 internal medicine physician records list a practice address in Longview
They are 99 of the 2,066 NPPES records with a practice address in Longview, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Longview → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jose Acevedo, M.D.Longview, TX 756041295869006
- Stacey Holder, MDLongview, TX 756041891820353
- John McDonald, DOLongview, TX 756041225012701
- Joseph Bell, MDLongview, TX 756051205803079
- Sita Devulapalli, M.D.Longview, TX 756051578558904
- Ifeanyi Elueze, MD PHDLongview, TX 756051396734802
- Roger Kiser, MDLongview, TX 756051154398840
- Kenneth McClure, MDLongview, TX 756051770550311
Common questions
What is Loui Chan Gatdula, MD's NPI number?
Loui Chan Gatdula, MD's National Provider Identifier (NPI) is 1528314721, issued on Jul 25, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Loui Chan Gatdula, MD located?
The NPPES record lists a practice address at 2101 W Loop 281, Longview, TX, 75604. Phone: (903) 315-5600. Providers update this record themselves, so call before visiting.
How can I verify Loui Chan Gatdula, MD's license?
NPPES lists Texas license number Q3516, 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 Loui Chan Gatdula, MD prescribe under Medicare Part D?
In 2024, Loui Chan Gatdula, MD had 7,001 Medicare Part D claims for 509 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.