John Anthony Carroll, MD
Internal Medicine Physician · Scottsdale, AZ
John Anthony Carroll, MD is an internal medicine physician with a practice address in Scottsdale, Arizona, and NPI 1063468932, issued on May 25, 2006. Check the license (Arizona 18950, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- John Anthony Carroll
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 18950 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 8328 E Hartford Dr, Scottsdale, AZ 85255
- Phone
- (480) 214-9720
- Enumerated
- May 25, 2006
- Record last updated
- Oct 1, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (480) 214-9722
- Medicaid ID
- 294611 AZ
- Medicare enrollment
- Enrolled (PECOS I20080903000178); accepts Medicare assignment
- Medical or professional school
- University Of Arizona College Of Medicine, 1988
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Also registered at 8328 E Hartford Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amy Cassidy, ACNP-CNurse Practitioner1285870337
- Shahram Emrani, M.D.Family Medicine Physician1235421959
- Kathleen Krolick, FNPFamily Nurse Practitioner1710437173
- Emanuel Pauwels, M.D.Internal Medicine Physician1871883355
- William West, FNP-CFamily Nurse Practitioner1902182199
Verify John Anthony Carroll in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 18950Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average internal medicine physician in 2024
7,224 Medicare Part D claims for 228 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 133 claims were for opioids.
Most prescribed
- Atorvastatin Calcium413 claims
- Eliquis296 claims
- Gabapentin285 claims
- Levothyroxine Sodium227 claims
- Furosemide209 claims
- Ondansetron Hcl189 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.
Bills Medicare through one group practice
- Scottsdale Inpatient Specialists PLCScottsdale, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Anthony Carroll among 2,853 internal medicine physician records in Arizona
John Anthony Carroll, 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 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 55% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1988 · median 2003 among the 1,643 with a school on file
- Record last updated2014 · 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
- Harjinder Bal, MDScottsdale, AZ 852551912182221
- Jason Buchwald, M.D.Scottsdale, AZ 852551285675439
- Efren Casanova, M.D.Scottsdale, AZ 852551184717704
- Gina Conflitti, M.D.Scottsdale, AZ 852551134251408
- Alberto Guerrero, M.D.Scottsdale, AZ 852551427066570
- Diana Koss, MDScottsdale, AZ 852551952353807
- Gwendoline Ladha, MDScottsdale, AZ 852551770510430
- Eleanor Mariano, M.D.Scottsdale, AZ 852551588616734
Common questions
What is John Anthony Carroll, MD's NPI number?
John Anthony Carroll, MD's National Provider Identifier (NPI) is 1063468932, issued on May 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Anthony Carroll, MD located?
The NPPES record lists a practice address at 8328 E Hartford Dr, Scottsdale, AZ, 85255. Phone: (480) 214-9720. Providers update this record themselves, so call before visiting.
How can I verify John Anthony Carroll, MD's license?
NPPES lists Arizona license number 18950, 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 John Anthony Carroll, MD prescribe under Medicare Part D?
In 2024, John Anthony Carroll, MD had 7,224 Medicare Part D claims for 228 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.