William O. Howe, M.D.
Cardiovascular Disease Physician · Tucson, AZ
William O. Howe, M.D. is a cardiovascular disease physician with a practice address in Tucson, Arizona, and NPI 1629159835, issued on Oct 17, 2006. Check the license (Arizona 40436, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- William O. Howe
- Credential
- M.D.
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License numbers
- 40436 AZ
36113914 IL
1013353 MA
Self-reported in NPPES; status is on the state search - Practice location
- 4001 E Sunrise Dr Ste 161, Tucson, AZ 85718
- Phone
- (520) 232-5285
- Enumerated
- Oct 17, 2006
- Record last updated
- May 24, 2023
- Fax
- (520) 232-5286
- Medicare enrollment
- Enrolled (PECOS I20230711000285); accepts Medicare assignment
- Medical or professional school
- Loyola University Of Chicago, Stritch School Of Medicine, 2008
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 488 in Arizona → Look up another NPI →
Also registered at 4001 E Sunrise Dr Ste 161
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jeffrey Mack, M.D.Family Medicine Physician1003803461
- Kenneth Murachanian, M.D.Internal Medicine Physician1003814823
- Adam Obaidi, M.D.Cardiovascular Disease Physician1578806212
Verify William O. Howe in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 40436Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
714 Medicare Part D claims for 278 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Metoprolol Succinate128 claims
- Eliquis65 claims
- Losartan Potassium65 claims
- Atorvastatin Calcium45 claims
- Rosuvastatin Calcium45 claims
- Potassium Chloride43 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: $3,453.14
11 payments; by number, the most common kind was food and beverage; the largest payer was Zoll Services LLC (a/k/a Zoll LifeCor Corp). The 16,686 providers of this specialty with any payment received $3,819.56 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 one group practice
- Emerson Practice Associates, IncConcord, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William O. Howe among 488 cardiovascular disease physician records in Arizona
William O. Howe, M.D. is one of 488 cardiovascular disease physician records with a practice address in Arizona. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 23% of them.
- NPI issued2006 · 23% of these records are older, 42% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2008 · median 1998 among the 329 with a school on file
- Record last updated2023 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Arizona
There are 488 cardiovascular disease physician records in Arizona.
All 488 in Arizona → Every provider in Tucson → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Jose Fernandez, MDTucson, AZ 857181003894726
- Charles Katzenberg, MDTucson, AZ 857181710965405
- Timothy Marshall, MDTucson, AZ 857181427079987
- Monty Morales, MDTucson, AZ 857181043298656
- James Myer, MDTucson, AZ 857181679551295
- Adam Obaidi, M.D.Tucson, AZ 857181578806212
- Joseph Alpert, MDTucson, AZ 857191265404446
- Hossein Ardehali, MDTucson, AZ 857191184750945
Common questions
What is William O. Howe, M.D.'s NPI number?
William O. Howe, M.D.'s National Provider Identifier (NPI) is 1629159835, issued on Oct 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William O. Howe, M.D. located?
The NPPES record lists a practice address at 4001 E Sunrise Dr Ste 161, Tucson, AZ, 85718. Phone: (520) 232-5285. Providers update this record themselves, so call before visiting.
How can I verify William O. Howe, M.D.'s license?
NPPES lists Arizona license number 40436, 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 William O. Howe, M.D. prescribe under Medicare Part D?
In 2024, William O. Howe, M.D. had 714 Medicare Part D claims for 278 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.