Jack Patrick Hartnett, MD
Internal Medicine Physician · Phoenix, AZ
Jack Patrick Hartnett, MD is an internal medicine physician with a practice address in Phoenix, Arizona, and NPI 1710724976, issued on Jul 13, 2024. Check the license (Arizona R81096, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Jack Patrick Hartnett
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- R81096 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 5777 E Mayo Blvd, Phoenix, AZ 85054
- Phone
- (480) 342-2000
- Enumerated
- Jul 13, 2024
- Record last updated
- Jul 22, 2025
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Also registered at 5777 E Mayo Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jack Patrick Hartnett in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license R81096Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
53 Medicare Part D claims for 20 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% 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.
Jack Patrick Hartnett among 2,853 internal medicine physician records in Arizona
Jack Patrick Hartnett, 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 2024, is newer than 93% of them.
- NPI issued2024 · 93% of these records are older, 5% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- 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).
695 internal medicine physician records list a practice address in Phoenix
They are 695 of the 31,399 NPPES records with a practice address in Phoenix, and 2,853 internal medicine physician records in Arizona.
All 2,853 in Arizona → Every provider in Phoenix → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Neera Agrwal, M.D.Phoenix, AZ 850541992780522
- Nneoma Alozie, MDPhoenix, AZ 850541912642695
- Gary Betz, MDPhoenix, AZ 850541518959527
- Cody Cunningham, MD, PHDPhoenix, AZ 850541700519899
- John Demenkoff, M.D.Phoenix, AZ 850541295718419
- Susan Hagstrom, M.D.Phoenix, AZ 850541235112061
- Georgiana Halterman, M.D.Phoenix, AZ 850541245214816
- Lisa Hurst, M.D.Phoenix, AZ 850541417930132
Common questions
What is Jack Patrick Hartnett, MD's NPI number?
Jack Patrick Hartnett, MD's National Provider Identifier (NPI) is 1710724976, issued on Jul 13, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Jack Patrick Hartnett, MD located?
The NPPES record lists a practice address at 5777 E Mayo Blvd, Phoenix, AZ, 85054. Phone: (480) 342-2000. Providers update this record themselves, so call before visiting.
How can I verify Jack Patrick Hartnett, MD's license?
NPPES lists Arizona license number R81096, 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 Jack Patrick Hartnett, MD prescribe under Medicare Part D?
In 2024, Jack Patrick Hartnett, MD had 53 Medicare Part D claims for 20 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.