DR. THOMAS W. PORTER III M.D.
NPI 1235230574
Internal Medicine in Pasadena, TX

Active since September 26, 2006PECOS EnrolledAccepts Medicare Assignment
84.05/100
CMS Quality Rating
927 SHAW AVE, PASADENA, TX 77506(713) 982-5900(281) 431-9181 Get Directions Write a Review

NPPES record last updated: February 28, 2011. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Thomas W. Porter Iii M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. THOMAS W. PORTER III M.D. (NPI 1235230574) is an individual internal medicine provider in Pasadena, Texas, licensed in Texas (J2743) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with Harris Health System, and is a graduate of University Of Michigan Medical School (1989).

NPPES Registry Identity

NPI1235230574
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. THOMAS W. PORTER IIICredential: M.D.
Location Address927 SHAW AVEPasadena, TX 77506-1430
Mailing Address7830 Moonlight CtMissouri City, TX 77459 · (281) 431-3488 · Fax (281) 431-4460
Fax(281) 431-9181
Sole ProprietorNo
Medical School CMSUniversity Of Michigan Medical SchoolGraduated 1989
Enumeration DateSeptember 26, 2006
Last NPPES UpdateFebruary 28, 2011
NPI 1235230574 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in TX · J2743
Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Also ListedEmergency MedicineTaxonomy 207P00000X · License J2743 (TX)
Also ListedPediatricsTaxonomy 208000000X · License J2742 (TX)
927 SHAW AVE, Pasadena, TX 77506

Other Identifiers 1

Medicare UPINF51671

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Thomas W. Porter Iii M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3375588254
PECOS Enrollment IDI20050621001284
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
293 services17 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
44 services29 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
33 services19 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Harris Health System

Acute Care Hospitals · Houston, TX
3/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number450289
Location2525 Holly HallHouston, TX 77054 · Harris County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77506 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$134.06 typical visit price
range $58.24 – $176.98
Typical copayment $33.51 (range $14.56 – $44.24)
Most-billed visit code 99204
Established Patient
$102.71 typical visit price
range $18.60 – $143.93
Typical copayment $25.67 (range $4.65 – $35.98)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

84.05/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality84.49
Improvement Activities40
Cost54.39

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Elevating leg rests, pair (for use with capped rental wheelchair base) K0195
DME-Wheelchairs · category DD021N
1 supplier20 claims20 services$5.32 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 10

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine
927 SHAW AVE
PASADENA, TX 77506
Nurse Practitioner (Family)
927 SHAW AVE
PASADENA, TX 77506
Family Medicine
927 SHAW AVE
PASADENA, TX 77506
Pharmacy (Clinic Pharmacy)
927 SHAW AVE, PHARMACY
PASADENA, TX 77506
Internal Medicine
927 SHAW AVE
PASADENA, TX 77506
Family Medicine
927 SHAW AVE
PASADENA, TX 77506
Internal Medicine
927 SHAW AVE
PASADENA, TX 77506
Internal Medicine
927 SHAW AVE
PASADENA, TX 77506

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Thomas Porter's NPI number?

The NPI number for Thomas Porter is 1235230574. It was assigned to this individual provider in the NPPES registry on September 26, 2006.

Where is Thomas Porter located?

Thomas Porter practices at 927 Shaw Ave, Pasadena, TX 77506. The listed phone number is (713) 982-5900.

What is Thomas Porter's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Thomas Porter enrolled in Medicare?

Yes. Thomas Porter is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Thomas Porter accept?

Health plans from Blue Cross and Blue Shield of Texas, Community Health Choice and Molina Healthcare list Thomas Porter as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Thomas Porter affiliated with any hospitals?

According to CMS data, Thomas Porter is affiliated with Harris Health System.

When was this NPI record last updated?

The NPPES record for Thomas Porter was last updated on February 28, 2011. NPI Profile syncs with the weekly NPPES data releases published by CMS.