JENNIFER LOUISE WILLIS M.D.
NPI 1275731424
Family Medicine in Phoenix, AZ

Q: What is Jennifer Willis's NPI number?

The NPI number for Jennifer Willis is 1275731424. It was assigned to this individual provider in the NPPES registry on July 10, 2007.

Q: What is Jennifer Willis's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Jennifer Willis was last updated on November 16, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.

Active since July 10, 2007PECOS EnrolledAccepts Medicare Assignment

1300 N 12TH ST, SUITE 605, PHOENIX, AZ 85006(602) 239-4567 Get Directions Write a Review

NPPES record last updated: November 16, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Jennifer Louise Willis M.d. NPPES

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

JENNIFER LOUISE WILLIS M.D. (NPI 1275731424) is an individual family medicine provider in Phoenix, Arizona, licensed in Arizona (81372) and active in the NPI registry since July 2007. She is enrolled in Medicare PECOS and is a graduate of University Of Arizona College Of Medicine (2006).

NPPES Registry Identity

NPI1275731424

Entity TypeIndividualFemale

Primary Taxonomy207Q00000X

Provider Legal NameJENNIFER LOUISE WILLISCredential: M.D.

Location Address1300 N 12TH ST, SUITE 605Phoenix, AZ 85006-2848

Mailing Address1300 N 12th St, Suite 605Phoenix, AZ 85006-2848 · (602) 239-2668

Phone(602) 239-4567

Sole ProprietorNo

Medical School CMSUniversity Of Arizona College Of MedicineGraduated 2006

Enumeration DateJuly 10, 2007

Last NPPES UpdateNovember 16, 2007

✔ NPI 1275731424 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in AZ · 81372

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.

1300 N 12TH ST, Phoenix, AZ 85006

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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 Health, Blue Cross Blue Shield of Arizona 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

Jennifer Louise Willis M.d. 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 ID5193864221

PECOS Enrollment IDI20091203000393

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 Jennifer Willis reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Banner Primary Care Physicians Arizona LLC

1.6 mi

Primary Care

2901 N CENTRAL AVE STE 160
Phoenix, AZ 85012

Reassigned Medicare billing, Arizona enrollment
271 clinicians in this Medicare group

NPI 1417238908 (602) 747-4000

Alliance Urgent Care PLLC

12 mi

Emergency Medical Services

9897 W. MCDOWELL RD
Tolleson, AZ 85353

Reassigned Medicare billing, Arizona enrollment
21 clinicians in this Medicare group

NPI 1891888517 (719) 268-5305

Healthyu Family Medicine, LLC

14 mi

Multi-Specialty

840 E MCKELLIPS RD STE 107
Mesa, AZ 85203

Reassigned Medicare billing, Arizona enrollment
44 clinicians in this Medicare group

NPI 1669149787 (602) 491-0703

Midwestern University

15 mi

Optometrist

5865 W UTOPIA RD
Glendale, AZ 85308

Reassigned Medicare billing, Arizona enrollment
107 clinicians in this Medicare group

NPI 1891017745 (623) 537-6000

Vhs Outpatient Clinics, Inc.

17 mi

Multi-Specialty

1325 N LITCHFIELD RD STE 125
Goodyear, AZ 85395

Reassigned Medicare billing, Arizona enrollment
267 clinicians in this Medicare group

NPI 1912979964 (623) 242-1231

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 14

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.

Injection, denosumab, 1 mg J0897

Denosumab is a medication given via injection to strengthen your bones. It works by slowing down the cells that break down bone, improving bone density and reducing the risk of fractures. It's often used for osteoporosis treatment.

1,980 services20 patients

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.

408 services263 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.

180 services143 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.

151 services151 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.

76 services74 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.

66 services64 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

53 services27 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

53 services43 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

28 services24 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.

22 services21 patients

Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment G0402

An Initial Preventive Physical Examination, also known as a "Welcome to Medicare" visit, is a one-time, face-to-face visit during your first 12 months of Medicare enrollment. It includes a review of your health, as well as education and counseling about preventive services and further screenings.

18 services18 patients

Transitional care management services for problem of at least moderate complexity 99495

Transitional care management services focus on coordinating and managing your care after you leave the hospital. For moderate complexity problems, this involves managing your medications, arranging further treatments, and ensuring you have the necessary follow-ups.

15 services14 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

14 services14 patients

Electrocardiogram, routine ecg with 12 leads; performed as a screening for the initial preventive physical examination with interpretation and report G0403

An Electrocardiogram (ECG) with 12 leads is a non-invasive test that measures the electrical activity of your heart. It's performed during your initial physical examination to screen for heart conditions. The results are interpreted and compiled into a report for further evaluation.

14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85006 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

$85.89 typical visit price

range $55.44 – $168.60

Typical copayment $21.47 (range $13.86 – $42.15)

Most-billed visit code 99203

Established Patient

$98.00 typical visit price

range $17.72 – $137.41

Typical copayment $24.50 (range $4.43 – $34.35)

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.

Other Providers at the Same Location NPPES 20

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

DR. DIANA LYNELLE DABELL M.D.

Emergency Medicine

1300 N 12TH ST, STE 301
PHOENIX, AZ 85006

Maricopa County (602) 839-6968

PINNACLE COLON AND RECTAL SURGEONS, PLLC

Specialist

1300 N 12TH ST, SUITE 619
PHOENIX, AZ 85006

Maricopa County (602) 714-5482

INTERNISTS, ONCOLOGISTS LTD

Internal Medicine (Hematology & Oncology)

1300 N 12TH ST, SUITE 612
PHOENIX, AZ 85006

Maricopa County (602) 258-4875

PHILIP KACZAR MD PC

Internal Medicine

1300 N 12TH ST, SUITE #516
PHOENIX, AZ 85006

Maricopa County (602) 252-3967

BARBARA J RUNQUIST NP

Nurse Practitioner

1300 N 12TH ST, SUITE 404
PHOENIX, AZ 85006

Maricopa County (602) 839-0265

DR. ROBERT DEAN RIERSON MD

Obstetrics & Gynecology

1300 N 12TH ST, SUITE 501
PHOENIX, AZ 85006

Maricopa County (602) 839-4915

MISS FARRAH L BLACK PA

Physician Assistant (Medical)

1300 N 12TH ST, STE 500
PHOENIX, AZ 85006

Maricopa County (602) 839-2606

VIKTORIA KRAJNC MD

Family Medicine

1300 N 12TH ST, SUITE 605
PHOENIX, AZ 85006

Maricopa County (602) 839-5271

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 Jennifer Willis's NPI number?

The NPI number for Jennifer Willis is 1275731424. It was assigned to this individual provider in the NPPES registry on July 10, 2007.

Where is Jennifer Willis located?

Jennifer Willis practices at 1300 N 12th St Suite 605, Phoenix, AZ 85006. The listed phone number is (602) 239-4567.

What is Jennifer Willis's specialty?

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

Is Jennifer Willis enrolled in Medicare?

Yes. Jennifer Willis 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 Jennifer Willis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jennifer Willis reassigns Medicare benefits to 5 organizations: Banner Primary Care Physicians Arizona LLC (Phoenix, AZ), Alliance Urgent Care PLLC (Tolleson, AZ), Healthyu Family Medicine, LLC (Mesa, AZ), Midwestern University (Glendale, AZ) and Vhs Outpatient Clinics, Inc. (Goodyear, AZ). 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 Jennifer Willis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jennifer Willis accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Blue Cross Blue Shield of Arizona, Imperial Insurance Companies, Inc. and Oscar Health Plan, Inc. and 1 other insurer list Jennifer Willis 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.

When was this NPI record last updated?

The NPPES record for Jennifer Willis was last updated on November 16, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.