Thomas W. Porter, M.D.
Internal Medicine Physician · Pasadena, TX
Thomas W. Porter, M.D. is an internal medicine physician with a practice address in Pasadena, Texas, and NPI 1235230574, issued on Sep 26, 2006. Check the license (Texas J2743, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Thomas W. Porter
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- J2743 TX
J2742 TX
Self-reported in NPPES; status is on the state search - Practice location
- 927 Shaw Ave, Pasadena, TX 77506
- Phone
- (713) 982-5900
- Enumerated
- Sep 26, 2006
- Record last updated
- Feb 28, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (281) 431-9181
- Medicare enrollment
- Enrolled (PECOS I20050621001284); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 1989
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 927 Shaw Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Karla Alba, M.D.Family Medicine Physician1184079485
- Yusra Azhar, MDInternal Medicine Physician1306454392
- Tara Cantieri, PHARMDPharmacist1962603449
- Joan Domingo, MDInternal Medicine Physician1548340888
- Douglas Hamilton, MDInternal Medicine Physician1033299391
- Melissa Johnson, FNPFamily Nurse Practitioner1134466741
Verify Thomas W. Porter in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license J2743Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.9 times the Medicare Part D claims of the average internal medicine physician in 2024
9,306 Medicare Part D claims for 232 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 48 claims were for opioids.
Most prescribed
- Atorvastatin Calcium677 claims
- Amlodipine Besylate306 claims
- Eliquis270 claims
- Donepezil Hcl231 claims
- Lisinopril230 claims
- Levothyroxine Sodium227 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 84.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Baylor College OF MedicineHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas W. Porter among 9,175 internal medicine physician records in Texas
Thomas W. Porter, 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 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
- Graduated1989 · median 2004 among the 6,088 with a school on file
- Record last updated2011 · 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).
32 internal medicine physician records list a practice address in Pasadena
They are 32 of the 1,245 NPPES records with a practice address in Pasadena, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Pasadena → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Yusra Azhar, MDPasadena, TX 775061306454392
- Joan Domingo, MDPasadena, TX 775061548340888
- Douglas Hamilton, MDPasadena, TX 775061033299391
- Thomas Masciangelo, MDPasadena, TX 775061629158035
- Silvia Boccardo-Sabatini, MDPasadena, TX 775051861480204
- Jaime Chavarria, MDPasadena, TX 775051457382970
- Timberly Gilford, M.D.Pasadena, TX 775051346560638
- Adriana Gonzalez, M.D.Pasadena, TX 775051588919120
Common questions
What is Thomas W. Porter, M.D.'s NPI number?
Thomas W. Porter, M.D.'s National Provider Identifier (NPI) is 1235230574, issued on Sep 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas W. Porter, M.D. located?
The NPPES record lists a practice address at 927 Shaw Ave, Pasadena, TX, 77506. Phone: (713) 982-5900. Providers update this record themselves, so call before visiting.
How can I verify Thomas W. Porter, M.D.'s license?
NPPES lists Texas license number J2743, 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 Thomas W. Porter, M.D. prescribe under Medicare Part D?
In 2024, Thomas W. Porter, M.D. had 9,306 Medicare Part D claims for 232 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Thomas W. Porter, M.D.'s MIPS final score?
The 2023 MIPS final score is 84.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.