William Paul Hennon, MD
Internal Medicine Physician · Glendale, AZ
William Paul Hennon, MD is an internal medicine physician with a practice address in Glendale, Arizona, and NPI 1295149896, issued on Jun 12, 2014. Check the license on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- William Paul Hennon
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- LL37116 SC
036142905 IL
Self-reported in NPPES; status is on the state search - Practice location
- 19420 N 59TH Ave Ste H800, Glendale, AZ 85308
- Phone
- (602) 889-7365
- Enumerated
- Jun 12, 2014
- Record last updated
- Feb 13, 2025
- Fax
- (602) 993-1745
- Medicare enrollment
- Enrolled (PECOS I20190805002424); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Verify William Paul Hennon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
27% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,322 Medicare Part D claims for 273 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 85 claims were for opioids.
Most prescribed
- Atorvastatin Calcium94 claims
- Levothyroxine Sodium85 claims
- Prednisone79 claims
- Albuterol Sulfate Hfa78 claims
- Amlodipine Besylate64 claims
- Losartan Potassium64 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: $523.88
5 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 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.
William Paul Hennon among 2,853 internal medicine physician records in Arizona
William Paul Hennon, MD is one of 2,853 internal 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 2014, is newer than 68% of them.
- NPI issued2014 · 68% of these records are older, 30% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2014 · median 2003 among the 1,643 with a school on file
- Record last updated2025 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
90 internal medicine physician records list a practice address in Glendale
They are 90 of the 5,447 NPPES records with a practice address in Glendale, and 2,853 internal medicine physician records in Arizona.
All 2,853 in Arizona → Every provider in Glendale → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Hala Abubakr, M.D.Glendale, AZ 853081780676437
- Solomon Amdemariam, M.D.Glendale, AZ 853081730130469
- James Ames, MDGlendale, AZ 853081811998933
- Michael Berman, DOGlendale, AZ 853081285635078
- Pinakin Bhakta, M.D.Glendale, AZ 853081760438618
- Michael Castro, MDGlendale, AZ 853081639170293
- Gregory Gargiulo, D.O.Glendale, AZ 853081043248834
- Khwaja Haque, MDGlendale, AZ 853081538155379
Common questions
What is William Paul Hennon, MD's NPI number?
William Paul Hennon, MD's National Provider Identifier (NPI) is 1295149896, issued on Jun 12, 2014. An NPI identifies a provider in billing; it is not a license.
Where is William Paul Hennon, MD located?
The NPPES record lists a practice address at 19420 N 59TH Ave Ste H800, Glendale, AZ, 85308. Phone: (602) 889-7365. Providers update this record themselves, so call before visiting.
How can I verify William Paul Hennon, MD's license?
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 William Paul Hennon, MD prescribe under Medicare Part D?
In 2024, William Paul Hennon, MD had 2,322 Medicare Part D claims for 273 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.