CHRISTOPHER G PORTER
NPI 1639674609
Surgery - Surgical Oncology in San Antonio, TX

Q: What is Christopher Porter's NPI number?

The NPI number for Christopher Porter is 1639674609. It was assigned to this individual provider in the NPPES registry on March 29, 2018.

Q: What is Christopher Porter's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Surgical Oncology, with taxonomy code 2086X0206X.

Active since March 29, 2018PECOS EnrolledAccepts Medicare Assignment

11130 CHRISTUS HLS STE 210, SAN ANTONIO, TX 78251(210) 245-2000 Get Directions Write a Review

NPPES record last updated: February 4, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Feb 4, 2026, Jul 25, 2023, Mar 29, 2018 (3 updates tracked since 2018).

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About Christopher G Porter NPPES

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

CHRISTOPHER G PORTER (NPI 1639674609) is an individual surgical oncology provider in San Antonio, Texas, licensed in Texas (W3300) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS, is affiliated with St Tammany Parish Hospital, and is a graduate of Texas A & M University System, Hsc, College Of Medicine (2018).

NPPES Registry Identity

NPI1639674609

Entity TypeIndividualMale

Primary Taxonomy2086X0206X

Provider Legal NameCHRISTOPHER G PORTER

Location Address11130 CHRISTUS HLS STE 210San Antonio, TX 78251-3586

Mailing Address11130 Christus Hls Ste 210San Antonio, TX 78251-3586 · (210) 245-2000

Phone(210) 245-2000

Sole ProprietorNo

Medical School CMSTexas A & M University System, Hsc, College Of MedicineGraduated 2018

Enumeration DateMarch 29, 2018

Last NPPES UpdateFebruary 4, 20263 updates tracked since enumeration

NPPES CertifiedFebruary 4, 2026

✔ NPI 1639674609 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgery · Surgical OncologyAllopathic & Osteopathic Physicians

Taxonomy Code2086X0206X

License✔ Licensed in TX · W3300

Definition

A surgical oncologist is a well-qualified surgeon who has obtained additional training and experience in the multidisciplinary approach to the prevention, diagnosis, treatment, and rehabilitation of cancer patients, and devotes a major portion of his or her professional practice to these activities and cancer research.

Also ListedSurgeryTaxonomy 208600000X · License W3300 (TX)

11130 CHRISTUS HLS STE 210, San Antonio, TX 78251

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Christopher G Porter 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 ID3870843980

PECOS Enrollment IDI20240911002276, I20260318001996

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.

Medicare Billing Reassignments

Medicare enrollment records show Christopher Porter reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Texas Oncology PA

76 mi

Medical Oncology

4101 JAMES CASEY ST STE 100
Austin, TX 78745

Reassigned Medicare billing, Texas enrollment
1,054 clinicians in this Medicare group

NPI 1972770303 (972) 997-8000

Ochsner Clinic LLC

331 mi

Internal Medicine

4150 NELSON RD STE G
Lake Charles, LA 70605

Reassigned Medicare billing, Louisiana enrollment
4,559 clinicians in this Medicare group

NPI 1174095707 (337) 562-3761

St. Tammany Parish Hospital Service District No 1

516 mi

Family Medicine

82525 HIGHWAY 25
Folsom, LA 70437

Reassigned Medicare billing, Louisiana enrollment
70 clinicians in this Medicare group

NPI 1275539363 (985) 839-9895

Inova Health Care Services

1,384 mi

Urgent Care

100 MAPLE AVE E
Vienna, VA 22180

Reassigned Medicare billing, Virginia enrollment
2,379 clinicians in this Medicare group

NPI 1275886418 (703) 938-5300

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

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

St Tammany Parish Hospital

Acute Care Hospitals · Covington, LA

4/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number190045

Location1202 S Tyler StreetCovington, LA 70433 · St. Tammany County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78251 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

$166.88 typical visit price

range $54.84 – $166.88

Typical copayment $41.72 (range $13.71 – $41.72)

Most-billed visit code 99205

Established Patient

$68.55 typical visit price

range $17.52 – $136.11

Typical copayment $17.13 (range $4.38 – $34.02)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 5

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

CAROLINE MARIE SIPILI PA

Physician Assistant (Medical)