James T. Whitfill, MD
Internal Medicine Physician · Scottsdale, AZ
James T. Whitfill, MD is an internal medicine physician with a practice address in Scottsdale, Arizona, and NPI 1326280405, issued on Apr 3, 2009. Check the license (Arizona 28074, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- James T. Whitfill
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 28074 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 9700 N 91St St, Scottsdale, AZ 85258
- Phone
- (480) 425-5000
- Enumerated
- Apr 3, 2009
- Record last updated
- Apr 3, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (480) 425-5010
- Medicare enrollment
- Enrolled (PECOS I20200205002417); accepts Medicare assignment
- Medical or professional school
- Perelman School Of Med At The University Of Pennsylvania, 1994
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Also registered at 9700 N 91St St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify James T. Whitfill in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 28074Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Honorhealth Medical Group, LLCPhoenix, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James T. Whitfill among 2,853 internal medicine physician records in Arizona
James T. Whitfill, 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 2009, is newer than 57% of them.
- NPI issued2009 · 57% of these records are older, 40% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1994 · median 2003 among the 1,643 with a school on file
- Record last updated2009 · 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
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- 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
- Stanley Horowitz, M.D.Scottsdale, AZ 852581619974094
- Douglas Lakin, M.D.Scottsdale, AZ 852581992783492
Common questions
What is James T. Whitfill, MD's NPI number?
James T. Whitfill, MD's National Provider Identifier (NPI) is 1326280405, issued on Apr 3, 2009. An NPI identifies a provider in billing; it is not a license.
Where is James T. Whitfill, MD located?
The NPPES record lists a practice address at 9700 N 91St St, Scottsdale, AZ, 85258. Phone: (480) 425-5000. Providers update this record themselves, so call before visiting.
How can I verify James T. Whitfill, MD's license?
NPPES lists Arizona license number 28074, 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.
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.