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JACK WESLEY WALLIS MD
NPI 1962484733
Family Medicine in San Marcos, TX

Active since November 17, 2005PECOS EnrolledAccepts Medicare Assignment
2108 HUNTER RD, SUITE 116, SAN MARCOS, TX 78666(512) 754-7700(512) 754-0012 Get Directions Write a Review

NPPES record last updated: September 14, 2010. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Jack Wesley Wallis Md NPPES

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

JACK WESLEY WALLIS MD (NPI 1962484733) is an individual family medicine provider in San Marcos, Texas, licensed in Texas (G8488) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with Christus Santa Rosa Hospital-san Marcos, and is a graduate of Other (1980).

NPPES Registry Identity

NPI1962484733
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameJACK WESLEY WALLISCredential: MD
Location Address2108 HUNTER RD, SUITE 116San Marcos, TX 78666-5156
Mailing Address2108 Hunter Rd, Suite 116San Marcos, TX 78666-5156 · (512) 754-7700 · Fax (512) 754-0012
Phone(512) 754-7700
Fax(512) 754-0012
Sole ProprietorYes
Medical School CMSOtherGraduated 1980
Enumeration DateNovember 17, 2005
Last NPPES UpdateSeptember 14, 2010
✔ NPI 1962484733 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in TX · G8488
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
Also ListedFamily Medicine · Sports MedicineTaxonomy 207QS0010X · License G8488 (TX)
2108 HUNTER RD, San Marcos, TX 78666
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Other Identifiers 3

Medicare UPINC23132
Medicaid122902302TX
Medicare ID-Type Unspecified00DK82

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

Jack Wesley Wallis 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 ID8628267648
PECOS Enrollment IDI20110106000571
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

3

Medicare enrollment records show Jack Wallis reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Seton Family Of Doctors
12 mi
Neurological Surgery
6001 KYLE PKWY
Kyle, TX 78640
  • Reassigned Medicare billing, Texas enrollment
  • 1,188 clinicians in this Medicare group
NPI 1730412388 (512) 324-8300
Bhs Physicians Network, Inc
36 mi
Family Medicine
502 MADISON OAK DR STE 310
San Antonio, TX 78258
  • Reassigned Medicare billing, Texas enrollment
  • 964 clinicians in this Medicare group
NPI 1598958431 (210) 483-8883
David P Ellent PLLC
152 mi
Pulmonary Disease
2255 E MOSSY OAKS RD STE 500
Spring, TX 77389
  • Reassigned Medicare billing, Texas enrollment
  • 107 clinicians in this Medicare group
NPI 1245777440 (281) 440-5300

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.

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.
360 services197 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
188 services188 patients
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.
173 services108 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
50 services49 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
47 services45 patients
Influenza vaccine split virus, preservative free 90662
The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.
46 services44 patients

Hospital Affiliations CMS Care Compare

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

Christus Santa Rosa Hospital-San Marcos

Acute Care Hospitals · San Marcos, TX
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number450272
Location1301 Wonder World DriveSan Marcos, TX 78666 · Hays County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78666 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
$84.92 typical visit price
range $54.84 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
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.

Referred Medical Equipment & Supplies CMS DME claims 6

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

Cushion for use on nasal mask interface, replacement only, each A7032
DME-Other DME · category DE001N
4 suppliers11 claims64 services$12.98 avg. paid by Medicare
Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
4 suppliers12 claims12 services$44.18 avg. paid by Medicare
Headgear used with positive airway pressure device A7035
DME-Other DME · category DE001N
7 suppliers14 claims14 services$14.08 avg. paid by Medicare
Tubing used with positive airway pressure device A7037
DME-Other DME · category DE001N
4 suppliers12 claims12 services$10.25 avg. paid by Medicare
Filter, disposable, used with positive airway pressure device A7038
DME-Other DME · category DE001N
7 suppliers20 claims120 services$1.70 avg. paid by Medicare
Water chamber for humidifier, used with positive airway pressure device, replacement, each A7046
DME-Other DME · category DE001N
6 suppliers11 claims11 services$10.34 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 3

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

JAMES COLGIN DC
Chiropractor
2108 HUNTER RD, STE 114
SAN MARCOS, TX 78666
Hays County (512) 396-2662
ALAN LEE PARKS MD
Obstetrics & Gynecology
2108 HUNTER RD, 116
SAN MARCOS, TX 78666
Hays County (512) 396-4837
GREGORY L COLON MD
Family Medicine
2108 HUNTER RD, SUITE 116
SAN MARCOS, TX 78666
Hays County (512) 754-7700

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 Jack Wallis's NPI number?

The NPI number for Jack Wallis is 1962484733. It was assigned to this individual provider in the NPPES registry on November 17, 2005.

Where is Jack Wallis located?

Jack Wallis practices at 2108 Hunter Rd Suite 116, San Marcos, TX 78666. The listed phone number is (512) 754-7700.

What is Jack Wallis's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Jack Wallis enrolled in Medicare?

Yes. Jack Wallis 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 Jack Wallis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jack Wallis reassigns Medicare benefits to 3 organizations: Seton Family Of Doctors (Kyle, TX), Bhs Physicians Network, Inc (San Antonio, TX) and David P Ellent 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 Jack Wallis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jack Wallis 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 6 other insurers list Jack Wallis 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 Jack Wallis affiliated with any hospitals?

According to CMS data, Jack Wallis is affiliated with Christus Santa Rosa Hospital-San Marcos.

When was this NPI record last updated?

The NPPES record for Jack Wallis was last updated on September 14, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years 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.