Stanley W. Horowitz, M.D.
Internal Medicine Physician · Scottsdale, AZ
Stanley W. Horowitz, M.D. is an internal medicine physician with a practice address in Scottsdale, Arizona, and NPI 1619974094, issued on Jun 30, 2005. Check the license (Arizona 12077, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Stanley W. Horowitz
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 12077 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 8617 E Thoroughbred Trl, Scottsdale, AZ 85258
- Phone
- (480) 991-3498
- Enumerated
- Jun 30, 2005
- Record last updated
- May 13, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (480) 991-3498
- Medicaid ID
- 258245 AZ
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Verify Stanley W. Horowitz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 12077Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
22 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Stanley W. Horowitz among 2,853 internal medicine physician records in Arizona
Stanley W. Horowitz, M.D. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 87% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2019 · 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).
344 internal medicine physician records list a practice address in Scottsdale
They are 344 of the 11,008 NPPES records with a practice address in Scottsdale, and 2,853 internal medicine physician records in Arizona.
All 2,853 in Arizona → Every provider in Scottsdale → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Saeed Behbahani, MDScottsdale, AZ 852581063466522
- Warren Butler, MDScottsdale, AZ 852581750339784
- Binoy Chandra, MDScottsdale, AZ 852581811931595
- Kianoush Cheybani, M.D.Scottsdale, AZ 852581013901578
- Wookjin Chun, M.D.Scottsdale, AZ 852581689688699
- Chalmers Daniel, M.D.Scottsdale, AZ 852581760483424
- Douglas Lakin, M.D.Scottsdale, AZ 852581992783492
- Madonna Mallari, MDScottsdale, AZ 852581164402285
Common questions
What is Stanley W. Horowitz, M.D.'s NPI number?
Stanley W. Horowitz, M.D.'s National Provider Identifier (NPI) is 1619974094, issued on Jun 30, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Stanley W. Horowitz, M.D. located?
The NPPES record lists a practice address at 8617 E Thoroughbred Trl, Scottsdale, AZ, 85258. Phone: (480) 991-3498. Providers update this record themselves, so call before visiting.
How can I verify Stanley W. Horowitz, M.D.'s license?
NPPES lists Arizona license number 12077, 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 Stanley W. Horowitz, M.D. prescribe under Medicare Part D?
In 2024, Stanley W. Horowitz, M.D. had 22 Medicare Part D claims; 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.