DR. JOHN GEORGE KNECHT III MD
NPI 1639360829
Internal Medicine - Medical Oncology in Webster, TX
About Dr. John George Knecht Iii Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN GEORGE KNECHT III MD (NPI 1639360829) is an individual medical oncology provider in Webster, Texas, licensed in Texas (N8676) and active in the NPI registry since August 2007. He is enrolled in Medicare PECOS, is affiliated with University Of Texas Medical Branch Galveston, and maintains 6 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 6
Other Identifiers 1
Accepted 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
Dr. John George Knecht Iii Md 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.
Medicare Billing Reassignments
5Medicare enrollment records show John Knecht reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Webster, TX 77598
- Reassigned Medicare billing, Texas enrollment
- 2 clinicians in this Medicare group
Webster, TX 77598
- Reassigned Medicare billing, Texas enrollment
- 275 clinicians in this Medicare group
Houston, TX 77089
- Reassigned Medicare billing, Texas enrollment
- 20 clinicians in this Medicare group
Alvin, TX 77511
- Reassigned Medicare billing, Texas enrollment
- 191 clinicians in this Medicare group
The Woodlands, TX 77380
- Reassigned Medicare billing, Texas enrollment
- 19 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 9
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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of Texas Medical Branch Galveston
Acute Care Hospitals · Galveston, TXHca Houston Healthcare Clear Lake
Acute Care Hospitals · Webster, TXHouston Methodist Clear Lake Hospital
Acute Care Hospitals · Nassau Bay, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77598 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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.
WEBSTER, TX 77598
WEBSTER, TX 77598
WEBSTER, TX 77598
WEBSTER, TX 77598
WEBSTER, TX 77598
WEBSTER, TX 77598
WEBSTER, TX 77598
WEBSTER, TX 77598
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 John Knecht's NPI number?
The NPI number for John Knecht is 1639360829. It was assigned to this individual provider in the NPPES registry on August 5, 2007.
Where is John Knecht located?
John Knecht practices at 905 W Medical Center Blvd Ste 304, Webster, TX 77598. The listed phone number is (281) 724-8335.
What is John Knecht's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.
Is John Knecht enrolled in Medicare?
Yes. John Knecht 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.
Which organizations bill Medicare for John Knecht's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Knecht reassigns Medicare benefits to 5 organizations: Clear Lake Oncology PLLC (Webster, TX), Cls Health PLLC (Webster, TX), Chn Medical Support Systems (Houston, TX), Stephen F. Austin Community Health Center, Inc. (Alvin, TX) and Texienne Physicians Medical Association PLLC (The Woodlands, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for John Knecht's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Knecht accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 5 other insurers list John Knecht 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 John Knecht affiliated with any hospitals?
According to CMS data, John Knecht is affiliated with University Of Texas Medical Branch Galveston, Hca Houston Healthcare Clear Lake and Houston Methodist Clear Lake Hospital.
When was this NPI record last updated?
The NPPES record for John Knecht was last updated on August 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. John George Knecht III, MD · NPI 1639360829
Medical Oncology physician in Webster, Texas. Individual provider, active in the CMS NPPES registry since August 5, 2007.
## Identity
- **NPI:** 1639360829 (Entity type: Individual)
- **Enumerated:** August 5, 2007
- **Primary specialty:** Internal Medicine - Medical Oncology · taxonomy 207RX0202X
- **State license:** N8676 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 905 W MEDICAL CENTER BLVD STE 304, Webster, TX 77598-4009
- **Phone:** (281) 724-8335
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Clear Lake Oncology PLLC (NPI 1437543626, Webster, TX); Cls Health PLLC (NPI 1750305355, Webster, TX); Chn Medical Support Systems (NPI 1184215352, Houston, TX); Stephen F. Austin Community Health Center, Inc. (NPI 1578730818, Alvin, TX); Texienne Physicians Medical Association PLLC (NPI 1679001200, The Woodlands, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2007
## Record status
- **NPPES last updated:** August 4, 2026
- **Other identifiers:** Other 4651532912
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Source: [NPI Profile](https://npiprofile.com/npi/1639360829) · Data from the CMS NPPES public registry.