NPPES file of Aug 9, 2026

Christopher G. Porter

Surgical Oncology Physician · San Antonio, TX

Christopher G. Porter is a surgical oncology physician with a practice address in San Antonio, Texas, and NPI 1639674609, issued on Mar 29, 2018. Check the license (Texas W3300, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1639674609
Name
Christopher G. Porter
Primary taxonomy
Surgical Oncology Physician 2086X0206X
License number
W3300 TX
Self-reported in NPPES; status is on the state search
Practice location
11130 Christus Hls Ste 210, San Antonio, TX 78251
Phone
(210) 245-2000
Enumerated
Mar 29, 2018
Record last updated
Feb 4, 2026
Medicare enrollment
Enrolled (PECOS I20240911002276); accepts Medicare assignment
Medical or professional school
Texas A & M University System, Hsc, College Of Medicine, 2018
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 11130 Christus Hls Ste 210

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Oluwatobi AfolayanThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1972966554
  2. Edsel Hesita, M.D.Medical Oncology Physician1639102064
  3. Liudmyla Ingle, FNPFamily Nurse Practitioner1467047266
  4. Caroline Sipili, PAMedical Physician Assistant1013450568
  5. Eswar TipirneniHematology & Oncology Physician1558503888

Verify Christopher G. Porter in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license W3300
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through 2 group practices

  1. Ochsner Clinic LLCCovington, LA
  2. St Tammany Parish Hospital Service District NO 1Covington, LA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Christopher G. Porter among 206 surgical oncology physician records in Texas

Christopher G. Porter is one of 206 surgical oncology physician records with a practice address in Texas. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 93% of them.

  • NPI issued2018 · 93% of these records are older, 4% newer
  • In a Medicare fileYes · 87% of these records are
  • In the CMS Doctors and Clinicians fileYes · 78% of these records are
  • Graduated2018 · median 2005 among the 161 with a school on file
  • Record last updated2026 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086X0206X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgical Oncology Physician providers in Texas

There are 206 surgical oncology physician records in Texas.

The 8 surgical oncology physician records with the nearest ZIP codes

  1. Alison Barron, MDSan Antonio, TX 782581790041085
  2. Alfredo Santillan-Gomez, M.D., M.P.H:San Antonio, TX 782401124213400
  3. Chittamuru Surendranath, M.D.San Antonio, TX 782381720106107
  4. Guy Clifton, M.D,Fort Sam Houston, TX 782341790964963
  5. Erek Nelson, MD, MS, USAF, MCFort Sam Houston, TX 782341588043855
  6. George Peoples, M.D.Fort Sam Houston, TX 782341023036241
  7. Carissia Calvo-Strube, M.D.San Antonio, TX 782291508209966
  8. Colin Court, MDSan Antonio, TX 782291669738308

Common questions

What is Christopher G. Porter's NPI number?

Christopher G. Porter's National Provider Identifier (NPI) is 1639674609, issued on Mar 29, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Christopher G. Porter located?

The NPPES record lists a practice address at 11130 Christus Hls Ste 210, San Antonio, TX, 78251. Phone: (210) 245-2000. Providers update this record themselves, so call before visiting.

How can I verify Christopher G. Porter's license?

NPPES lists Texas license number W3300, 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.

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.