Jennifer Louise Willis, M.D.
Family Medicine Physician · Phoenix, AZ
Jennifer Louise Willis, M.D. is a family medicine physician with a practice address in Phoenix, Arizona, and NPI 1275731424, issued on Jul 10, 2007. Check the license (Arizona 81372, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Jennifer Louise Willis
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 81372 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 1300 N 12TH St, Phoenix, AZ 85006
- Phone
- (602) 239-4567
- Enumerated
- Jul 10, 2007
- Record last updated
- Nov 16, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20091203000393); accepts Medicare assignment
- Medical or professional school
- University Of Arizona College Of Medicine, 2006
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,119 in Arizona → Look up another NPI →
Also registered at 1300 N 12TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jennifer Louise Willis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 81372Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% more Medicare Part D claims than the average family medicine physician in 2024
4,968 Medicare Part D claims for 572 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Atorvastatin Calcium607 claims
- Lisinopril318 claims
- Losartan Potassium314 claims
- Levothyroxine Sodium293 claims
- Amlodipine Besylate254 claims
- Metformin Hcl172 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $489.51
5 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 3 group practices
- Banner Primary Care Physicians Arizona LLCPeoria, AZ
- Healthyu Family Medicine LLCChandler, AZ
- Midwestern UniversityGlendale, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jennifer Louise Willis among 3,119 family medicine physician records in Arizona
Jennifer Louise Willis, M.D. is one of 3,119 family medicine physician records with a practice address in Arizona. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 46% of them.
- NPI issued2007 · 46% of these records are older, 45% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2006 · median 2006 among the 1,775 with a school on file
- Record last updated2007 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
649 family medicine physician records list a practice address in Phoenix
They are 649 of the 31,399 NPPES records with a practice address in Phoenix, and 3,119 family medicine physician records in Arizona.
All 3,119 in Arizona → Every provider in Phoenix → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Stanley Bennett, MDPhoenix, AZ 850061952380420
- Steven Brown, M.D.Phoenix, AZ 850061083674154
- Gregory Celaya, M.D.Phoenix, AZ 850061477514412
- Robert Flores, MDPhoenix, AZ 850061699754721
- Dennis Haughton, MDPhoenix, AZ 850061750361762
- William Holland, M.D.Phoenix, AZ 850061831192590
- Cheryl Leigh, FNPPhoenix, AZ 850061235133877
- Dean Martin, MDPhoenix, AZ 850061871573204
Common questions
What is Jennifer Louise Willis, M.D.'s NPI number?
Jennifer Louise Willis, M.D.'s National Provider Identifier (NPI) is 1275731424, issued on Jul 10, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Jennifer Louise Willis, M.D. located?
The NPPES record lists a practice address at 1300 N 12TH St, Phoenix, AZ, 85006. Phone: (602) 239-4567. Providers update this record themselves, so call before visiting.
How can I verify Jennifer Louise Willis, M.D.'s license?
NPPES lists Arizona license number 81372, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jennifer Louise Willis, M.D. prescribe under Medicare Part D?
In 2024, Jennifer Louise Willis, M.D. had 4,968 Medicare Part D claims for 572 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.