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DR. JON-CECIL MARTIN WALKES MD
NPI 1669472288
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Houston, TX

Active since July 26, 2005PECOS EnrolledAccepts Medicare Assignment
1900 NORTH LOOP W STE 180, HOUSTON, TX 77018(281) 888-0809(877) 559-7682 Get Directions Write a Review

NPPES record last updated: December 10, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 10, 2025, Jul 5, 2022, Apr 27, 2021 and 3 more (6 updates tracked since 2018).

About Dr. Jon-cecil Martin Walkes Md NPPES

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

DR. JON-CECIL MARTIN WALKES MD (NPI 1669472288) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Houston, Texas, licensed in Texas (L0955) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS, is affiliated with St Joseph Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1669472288
Entity TypeIndividualMale
Primary Taxonomy208G00000X
Provider Legal NameDR. JON-CECIL MARTIN WALKESCredential: MD
Location Address1900 NORTH LOOP W STE 180Houston, TX 77018-8151
Mailing Address25511 Budde Rd Ste 2502The Woodlands, TX 77380-2388 · (281) 888-0809 · Fax (877) 559-7682
Phone(281) 888-0809
Fax(877) 559-7682
Sole ProprietorNo
Medical School CMSUn Of California, Irvine, College Of MedicineGraduated 1996
Enumeration DateJuly 26, 2005
Last NPPES UpdateDecember 10, 20256 updates tracked since enumeration
NPPES CertifiedDecember 10, 2025
✔ NPI 1669472288 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyThoracic Surgery (Cardiothoracic Vascular Surgery)Allopathic & Osteopathic Physicians
Taxonomy Code208G00000X
License✔ Licensed in TX · L0955
Definition
A thoracic surgeon provides the operative, perioperative and critical care of patients with pathologic conditions within the chest. Included is the surgical care of coronary artery disease, cancers of the lung, esophagus and chest wall, abnormalities of the trachea, abnormalities of the great vessels and heart valves, congenital anomalies, tumors of the mediastinum and diseases of the diaphragm. The management of the airway and injuries of the chest is within the scope of the specialty.
1900 NORTH LOOP W STE 180, Houston, TX 77018
Open in Google Maps ↗

Secondary Practice Locations 2

Location 17015 Almeda Rd Ste 3Houston, TX 77054-2101 · Phone (281) 888-0809
Location 21315 St Joseph Pkwy Ste 1107Houston, TX 77002-8235 · Phone (281) 888-0809 · Fax (877) 559-7682

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

Dr. Jon-cecil Martin Walkes 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.

PECOS PAC ID7012014541
PECOS Enrollment IDI20070517000689
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

4

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

Houston Cardiothoracic And Vein Surgeons, PLLC
Same address
Thoracic Surgery (Cardiothoracic Vascular Surgery)
1900 NORTH LOOP W STE 180
Houston, TX 77018
  • Reassigned Medicare billing, Texas enrollment
  • 4 clinicians in this Medicare group
NPI 1275173379 (281) 888-0809
Vascular And Interventional Radiology Of America
6.7 mi
Vascular & Interventional Radiology
1213 HERMANN DR, SUITE 255
Houston, TX 77004
  • Reassigned Medicare billing, Texas enrollment
  • 8 clinicians in this Medicare group
NPI 1932459476 (713) 955-1707
Q-Health Partners, PLLC
8.5 mi
Specialist
7015 ALMEDA RD STE 3
Houston, TX 77054
  • Reassigned Medicare billing, Texas enrollment
  • 31 clinicians in this Medicare group
NPI 1346647260 (713) 520-6875
Cardiovascular, Thoracic, And Vein Surgeons Of Texas PLLC
18 mi
Thoracic Surgery (Cardiothoracic Vascular Surgery)
20311 KUYKENDAHL RD STE B
Spring, TX 77379
  • Reassigned Medicare billing, Texas enrollment
  • 6 clinicians in this Medicare group
NPI 1871946988 (936) 441-1010

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 7

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
62 services41 patients
Injection of chemical agent into single incompetent vein of leg using ultrasound guidance 36465
This procedure involves injecting a chemical agent into a non-functioning vein in your leg. Ultrasound technology is used to accurately locate the vein. The chemical helps to close off the vein, rerouting blood flow to healthier veins.
45 services11 patients
Ultrasound study of one arm or leg veins with compression and maneuvers 93971
This is a non-invasive procedure using sound waves to visualize veins in an arm or leg. It involves applying gentle pressure and performing certain movements. It helps identify any abnormal blood flow or clots, ensuring vascular health.
45 services13 patients
Ultrasound study of arm or leg veins with compression and maneuvers 93970
An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.
38 services31 patients
Ultrasound of leg arteries or artery grafts 93925
An ultrasound of leg arteries or artery grafts is a non-invasive imaging test. It uses high-frequency sound waves to capture live images from inside your body, specifically your leg arteries or grafts. This helps in detecting any blockages or abnormalities.
32 services19 patients
Ultrasound study of arm and leg arteries 93922
An ultrasound study of arm and leg arteries is a non-invasive procedure that uses sound waves to create images of your arteries. It helps in checking blood flow, identifying blockages, or detecting other abnormalities in your arteries.
31 services20 patients

Hospital Affiliations CMS Care Compare 2

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

St Joseph Medical Center

Acute Care Hospitals · Houston, TX
2/5 CMS rating
OwnershipPhysician
CMS Certification Number450035
Location1401 St. Joseph ParkwayHouston, TX 77002 · Harris County
Emergency services Birthing friendly

Memorial Hermann Hospital System

Acute Care Hospitals · Houston, TX
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450184
Location1635 North Loop WestHouston, TX 77008 · Harris County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77018 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
$176.98 typical visit price
range $58.24 – $176.98
Typical copayment $44.24 (range $14.56 – $44.24)
Most-billed visit code 99205
Established Patient
$72.62 typical visit price
range $18.60 – $143.93
Typical copayment $18.15 (range $4.65 – $35.98)
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

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

HOUSTON CARDIOTHORACIC AND VEIN SURGEONS, PLLC
Thoracic Surgery (Cardiothoracic Vascular Surgery)
1900 NORTH LOOP W STE 180
HOUSTON, TX 77018
Harris County (281) 888-0809

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 Jon-cecil Walkes's NPI number?

The NPI number for Jon-cecil Walkes is 1669472288. It was assigned to this individual provider in the NPPES registry on July 26, 2005.

Where is Jon-cecil Walkes located?

Jon-cecil Walkes practices at 1900 North Loop W Ste 180, Houston, TX 77018. The listed phone number is (281) 888-0809.

What is Jon-cecil Walkes's specialty?

The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.

Is Jon-cecil Walkes enrolled in Medicare?

Yes. Jon-cecil Walkes 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 Jon-cecil Walkes's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jon-cecil Walkes reassigns Medicare benefits to 4 organizations: Houston Cardiothoracic And Vein Surgeons, PLLC (Houston, TX), Vascular And Interventional Radiology Of America (Houston, TX), Q-Health Partners, PLLC (Houston, TX) and Cardiovascular, Thoracic, And Vein Surgeons Of Texas PLLC (Spring, 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 Jon-cecil Walkes's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jon-cecil Walkes 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 3 other insurers list Jon-cecil Walkes 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 Jon-cecil Walkes affiliated with any hospitals?

According to CMS data, Jon-cecil Walkes is affiliated with St Joseph Medical Center and Memorial Hermann Hospital System.

When was this NPI record last updated?

The NPPES record for Jon-cecil Walkes was last updated on December 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.