Jack K. Willis Jr., PA

  • Lubbock, TX
  • Physician assistant
NPI1063664183PAC ID2062574288
Medicare services, 2024
596
Medicare patients, 2024
198
Part D claims, 2024
276
Hospital affiliations
1
Industry payments
$712
Practice address
11007 Quaker Ave, Lubbock, TX 79424
Practice phone
Call (806) 701-4040
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Lubbock Primary Care

Lubbock, Texas

See all 9 affiliations

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Jack K. Willis Jr. is a physician assistant in Lubbock, Texas

Jack Willis practices at Lubbock Primary Care in Lubbock, Texas.

Jack Willis' NPI, 1063664183, was assigned on October 21, 2008. Jack Willis holds Texas license PA05950.

NPI and contact details
Medicare PAC ID
2062574288
NPI enumeration date
October 21, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(806) 701-4040
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
44
Medical school graduation
2008

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Jack K. Willis Jr. practices at Lubbock Primary Care in Lubbock, Texas

Jack Willis' primary practice is Lubbock Primary Care, at 11007 Quaker Ave, Lubbock, TX 79424 in Lubbock County. The practice phone is (806) 701-4040.

  • Lubbock Primary Care
    11007 Quaker Ave, Lubbock, TX 79424 · Lubbock CountyPhone(806) 701-4040

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Jack K. Willis Jr. is affiliated with 5 sites of care and 4 medical groups

Jack Willis' primary practice is Lubbock Primary Care in Lubbock, Texas. Jack Willis is also affiliated with Medical Center Hospital. The medical group on file is Lubbock Primary Care & VIP Medicine. Dmand AI also links Jack Willis to 3 more group practices and clinics and 3 medical groups, each named with a free account.

See all 9 affiliations for Jack Willis

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Jack K. Willis Jr.'s practice

Dmand AI tracks the electronic health record (EHR) system at each site where Jack Willis practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Lubbock Primary CareAvailable with a free account
+4 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Jack K. Willis Jr. is one of 8,663 physician assistants in Texas

Physician assistant is Jack Willis' primary specialty in the NPI Registry, under taxonomy code 363A00000X. Jack Willis is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). Jack Willis is licensed in Texas.

Specialties and state licenses

  • Physician assistant, TexasPrimaryLicense PA05950 · taxonomy 363A00000X

Clinical focus

Dmand AI lists acute sinusitis, acute skin infection, bronchitis, chronic obstructive pulmonary disease (COPD), hand joint or tendon inflammation, neuropathy, rash and swimmer's ear among the conditions Jack Willis treats.

Physician assistants near Jack Willis

Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Jack K. Willis Jr. billed Medicare for 596 services in 2024

CMS data shows 596 Medicare services from Jack Willis across 8 procedure codes in 2024, for 198 Medicare patients. Medicare paid $17,745 for them. Every service was in an office.

Medicare services, 2024596
Medicare patients198
Paid by Medicare$17,745
Procedure codes8

Jack Willis' Medicare services by type, 2024

  1. Drugs given in the office245
  2. Office and hospital visits191
  3. Lab and pathology85
  4. Tests and treatments42
  5. Imaging33

Jack Willis compared with the Texas median for physician assistants, 2024

  • Jack Willis
  • Texas median
Medicare services
596vs 2292.6 times
Medicare patients
198vs 992.0 times
Part D claims
172vs 29642% below

Medians across 5,541 physician assistants in Texas with Dmand AI profiles that report each measure.

Jack Willis' most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Jack Willis

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Jack K. Willis Jr. treated 198 Medicare patients in 2024, average age 72

CMS counts 198 Medicare patients who saw Jack Willis in 2024. The largest group is 65 to 74, with 112 patients. 73% of them have high blood pressure, and 70% have high cholesterol. 6% are also on Medicaid. Their average risk score is 1.02, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Jack Willis' median patient age at 51, with 33% women.

Medicare patients, 2024198
Average age72
Average risk score1.02
Also on Medicaid6%

Jack Willis' Medicare patients by age, 2024

Jack Willis' Medicare patients by sex, 2024

  • Women13066%
  • Men6834%

Chronic conditions among Jack Willis' Medicare patients, 2024

  1. High blood pressure73%
  2. High cholesterol70%
  3. Arthritis42%
  4. Ischemic heart disease27%
  5. Diabetes24%
  6. Mood disorders22%
  7. Anxiety20%
  8. Depression20%

Share of Medicare patients with each condition. A patient can have several.

Jack Willis' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 51

Patient panel by sex, all payers

  • Women33%
  • Men67%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Jack K. Willis Jr. wrote 276 Medicare Part D claims in 2024

In 2024, Jack Willis wrote 276 Medicare Part D claims for 210 patients. 87% of them were for generic drugs. CMS names the drug for 172 of them, across 7 drugs with 11 or more claims each, at $2,366 in total drug cost.

Part D claims, 2024276
Drugs named by CMS7
Total drug cost$2,366
Part D patients210

Jack Willis' Part D claims by kind of drug, 2024

  • Generic239 claims87%
  • Brand-name and other37 claims13%

Jack Willis' most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Jack Willis' Part D claims, 2024

  • Antibiotics55%153 of 276 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

See all prescribing by Jack Willis

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Jack K. Willis Jr. takes part in Medicare

Jack Willis accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Jack K. Willis Jr. received $712 in industry payments from 2024 to 2025

CMS Open Payments shows 37 general payments to Jack Willis from 14 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $181.

General payments to Jack Willis by program year, 2024 to 2025

Companies that paid Jack Willis the most, 2024 to 2025

Share is of all general payments to this clinician.

See all payments to Jack Willis

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Jack K. Willis Jr. is board certified in certified physician assistant

  1. Board certified in certified physician assistantNational Commission on Certification of Physician Assistants (NCCPA)

Source: Dmand AI Professional Profile Data

Sources for Jack K. Willis Jr.'s profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Jack K. Willis Jr.

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Jack K. Willis Jr.'s NPI number?

Jack K. Willis Jr.'s NPI number is 1063664183. It was assigned on October 21, 2008, and it is active in the NPI Registry.

What does Jack K. Willis Jr. specialize in?

Jack K. Willis Jr. is a physician assistant in Lubbock, Texas. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Jack K. Willis Jr. practice?

Jack Willis practices at 11007 Quaker Ave, Lubbock, TX 79424. Jack Willis' primary practice is Lubbock Primary Care in Lubbock, Texas. Dmand AI also links Jack Willis to 3 group practices and clinics and 3 medical groups.

What is Jack K. Willis Jr.'s office phone number?

The practice phone on file for Jack Willis is (806) 701-4040.

What is Jack K. Willis Jr.'s medical license number?

Jack Willis holds Texas license PA05950.

Which hospitals is Jack K. Willis Jr. affiliated with?

Jack Willis is affiliated with Medical Center Hospital.

What medical group is Jack K. Willis Jr. part of?

Jack Willis is linked to Lubbock Primary Care & VIP Medicine. Dmand AI links Jack Willis to 3 more medical groups.

Does Jack K. Willis Jr. accept Medicare?

Yes. CMS data shows Jack Willis billed Medicare for 596 services in 2024, and Jack Willis accepts Medicare assignment.

How many Medicare patients does Jack K. Willis Jr. see?

CMS counts 198 Medicare patients who saw Jack Willis in 2024, with an average age of 72.

Is Jack K. Willis Jr. board certified?

Yes. Jack Willis is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).

Show 4 more questionsShow fewer questions

What services does Jack K. Willis Jr. bill to Medicare?

In 2024, Jack Willis' most billed Medicare services were injected or infused drug (J1100), office visit, established patient (99214) and lab and pathology test (87428).

What drugs does Jack K. Willis Jr. prescribe most?

In 2024 Medicare Part D data, Jack Willis' most prescribed drugs by claims were Azithromycin, Amoxicillin and Paxlovid.

Has Jack K. Willis Jr. received payments from drug or device companies?

CMS Open Payments shows $712 in general payments to Jack Willis from 14 companies from 2024 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.

How long has Jack K. Willis Jr. been practicing?

Jack Willis graduated from medical school in 2008, 18 years ago.

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