Doctor profile · Federal record

Dr. Jason Dienhart, MD

Internal Medicine Physician (CMS: Internal Medicine) · Phoenix, AZ

  • NPI 1457814683
  • Accepts Medicare
  • MIPS 85.4 / 100 · 2023
  • 7 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1111 E McDowell RD
Phoenix, AZ 850062612
(602) 839-2266
Additional location
650 E Indian School RD
Phoenix, AZ 850121839
(602) 277-5551

Credentials & registration

NPPES · NUCC
NPI registered
April 2019 — 7 yrs on file
Profile last updated
February 6, 2025
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Arizona #65012

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1457814683. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
223
Distinct HCPCS
5
Medicare allowed
$24,015
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 91 38 $77
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 42 42 $126
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 36 21 $115
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 28 28 $168
99239 Hospital discharge day management, more than 30 minutes 26 26 $111

In context: peer comparison

Among 171 peers in Phoenix Internal Medicine Physician, average services per provider: 159. This provider delivers 1.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
13
Patients
13
Total drug cost
$961
Drug Type Claims Patients Total cost
Naloxone Hcl Generic 13 13 $961

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jason Dienhart's medical specialty?
Dr. Jason Dienhart practices Internal Medicine Physician in Phoenix, AZ.
Where does Dr. Jason Dienhart practice?
Dr. Jason Dienhart practices at 1111 E McDowell RD, Phoenix, AZ 850062612. Office phone: 6028392266.
What is Dr. Jason Dienhart's NPI?
Dr. Jason Dienhart's National Provider Identifier (NPI) is 1457814683, issued by NPPES.
Does Dr. Jason Dienhart accept Medicare assignment?
Yes. Dr. Jason Dienhart accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jason Dienhart commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.