John P. Lacson, MD
Internal Medicine Physician · Houston, TX
John P. Lacson, MD is an internal medicine physician with a practice address in Houston, Texas, and NPI 1053498287, issued on Nov 1, 2006. Check the license (Texas J7806, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- John P. Lacson
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- J7806 TX
Self-reported in NPPES; status is on the state search - Practice location
- 4126 Southwest Fwy Ste 600C, Houston, TX 77027
- Phone
- (713) 626-9971
- Enumerated
- Nov 1, 2006
- Record last updated
- Apr 16, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (713) 626-9981
- Medicare enrollment
- Enrolled (PECOS I20040224000555); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At San Antonio, 1993
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Verify John P. Lacson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license J7806Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,362 Medicare Part D claims for 103 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 26 claims were for opioids.
Most prescribed
- Atorvastatin Calcium90 claims
- Lisinopril38 claims
- Hydroxyzine Hcl37 claims
- Losartan Potassium37 claims
- Cyclobenzaprine Hcl34 claims
- Ozempic33 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
- Legacy Community Health Services, IncHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John P. Lacson among 9,175 internal medicine physician records in Texas
John P. Lacson, 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 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1993 · median 2004 among the 6,088 with a school on file
- Record last updated2008 · 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).
1,488 internal medicine physician records list a practice address in Houston
They are 1,488 of the 61,221 NPPES records with a practice address in Houston, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Houston → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Srijhansi Adusumilli, M.D.Houston, TX 770271144260944
- Shezi Ali-Kirmani, MDHouston, TX 770271235123811
- Rene Del Valle, MDHouston, TX 770271669419966
- Michael Eisenberg, M.D.Houston, TX 770271609817162
- Nam Hoang, M.D.Houston, TX 770271578563524
- Terence Holmes, M.D.Houston, TX 770271134106651
- Scott Lisse, MDHouston, TX 770271346245818
- Shi-Tze Lu, M.D.Houston, TX 770271215932900
Common questions
What is John P. Lacson, MD's NPI number?
John P. Lacson, MD's National Provider Identifier (NPI) is 1053498287, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John P. Lacson, MD located?
The NPPES record lists a practice address at 4126 Southwest Fwy Ste 600C, Houston, TX, 77027. Phone: (713) 626-9971. Providers update this record themselves, so call before visiting.
How can I verify John P. Lacson, MD's license?
NPPES lists Texas license number J7806, 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 John P. Lacson, MD prescribe under Medicare Part D?
In 2024, John P. Lacson, MD had 1,362 Medicare Part D claims for 103 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.