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JASON ALLEN DIENHART MD
NPI 1457814683
Internal Medicine in Phoenix, AZ

Active since April 14, 2019PECOS EnrolledAccepts Medicare Assignment
92.28/100
CMS Quality Rating
1111 E MCDOWELL RD, PHOENIX, AZ 85006(602) 839-2266 Get Directions Write a Review

NPPES record last updated: February 6, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Feb 6, 2025, Apr 14, 2019 (2 updates tracked since 2019).

About Jason Allen Dienhart Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JASON ALLEN DIENHART MD (NPI 1457814683) is an individual internal medicine provider in Phoenix, Arizona, licensed in Arizona (65012) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS, maintains a secondary practice location in Phoenix, and is a graduate of Creighton University School Of Medicine (2019).

NPPES Registry Identity

NPI1457814683
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameJASON ALLEN DIENHARTCredential: MD
Location Address1111 E MCDOWELL RDPhoenix, AZ 85006-2612
Mailing Address1111 E Mcdowell RdPhoenix, AZ 85006-2612 · (602) 839-2266
Phone(602) 839-2266
Sole ProprietorYes
Medical School CMSCreighton University School Of MedicineGraduated 2019
Enumeration DateApril 14, 2019
Last NPPES UpdateFebruary 6, 20252 updates tracked since enumeration
NPPES CertifiedFebruary 6, 2025
✔ NPI 1457814683 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in AZ · 65012
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1111 E MCDOWELL RD, Phoenix, AZ 85006
Open in Google Maps ↗

Secondary Practice Location 1

Location 1650 E Indian School RdPhoenix, AZ 85012-1839 · Phone (602) 277-5551

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Jason Allen Dienhart Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3870829435
PECOS Enrollment IDI20220707003419
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Jason Dienhart reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Banner - University Hospital Based Physicians LLC
1.4 mi
General Acute Care Hospital
2901 N CENTRAL AVE STE 160
Phoenix, AZ 85012
  • Reassigned Medicare billing, Arizona enrollment
  • 728 clinicians in this Medicare group
NPI 1750751566 (602) 747-4000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
33 services33 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
30 services30 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
23 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85006 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$127.71 typical visit price
range $55.44 – $168.60
Typical copayment $31.92 (range $13.86 – $42.15)
Most-billed visit code 99204
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

92.28/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Promoting Interoperability100
Improvement Activities40
Cost51.21

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. CARRIE LYNN COOK D.O.
Emergency Medicine
1111 E MCDOWELL RD
PHOENIX, AZ 85006
Maricopa County (480) 500-2540
DANA ARCHBOLD MD
Internal Medicine
1111 E MCDOWELL RD
PHOENIX, AZ 85006
Maricopa County (602) 839-2296
ROBIN LAURIE MCFARLANE MD
Psychiatry & Neurology (Neurology)
1111 E MCDOWELL RD
PHOENIX, AZ 85006
Maricopa County (602) 839-2266
ERICA KRIS MD
Emergency Medicine
1111 E MCDOWELL RD
PHOENIX, AZ 85006
Maricopa County (602) 839-2000
MS. MEREDITH ELIZABETH GATES PA
Physician Assistant (Medical)
1111 E MCDOWELL RD
PHOENIX, AZ 85006
Maricopa County (602) 839-2000
ALEXANDRA LEIGH KLEBER ARNP
Nurse Practitioner (Acute Care)
1111 E MCDOWELL RD
PHOENIX, AZ 85006
Maricopa County (812) 525-4607
RACHEL SCHWARZ PA
Physician Assistant
1111 E MCDOWELL RD
PHOENIX, AZ 85006
Maricopa County (602) 839-6968
CRAIG ALAN WESTLEY
Pharmacist
1111 E MCDOWELL RD, BANNER GOOD SAMARITAN MEDICAL CENTER PHARMACY
PHOENIX, AZ 85006
Maricopa County (602) 839-4556

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jason Dienhart's NPI number?

The NPI number for Jason Dienhart is 1457814683. It was assigned to this individual provider in the NPPES registry on April 14, 2019.

Where is Jason Dienhart located?

Jason Dienhart practices at 1111 E Mcdowell Rd, Phoenix, AZ 85006. The listed phone number is (602) 839-2266.

What is Jason Dienhart's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Jason Dienhart enrolled in Medicare?

Yes. Jason Dienhart is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Jason Dienhart's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jason Dienhart reassigns Medicare benefits to Banner - University Hospital Based Physicians LLC (Phoenix, AZ). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jason Dienhart's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Jason Dienhart was last updated on February 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.