ZACHARY JAMES HERNANDEZ M.D.
NPI 1831577550
Emergency Medicine in Tucson, AZ
About Zachary James Hernandez M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ZACHARY JAMES HERNANDEZ M.D. (NPI 1831577550) is an individual emergency medicine provider in Tucson, Arizona, licensed in Arizona (R74940) and active in the NPI registry since May 2015. He is enrolled in Medicare PECOS and is a graduate of Stanford University School Of Medicine (2015).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
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
Zachary James Hernandez M.d. 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.
Medicare Billing Reassignments
6Medicare enrollment records show Zachary Hernandez reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tucson, AZ 85711
- Reassigned Medicare billing, Arizona enrollment
- 1,514 clinicians in this Medicare group
Benson, AZ 85602
- Reassigned Medicare billing, Arizona enrollment
- 152 clinicians in this Medicare group
San Tan Valley, AZ 85140
- Reassigned Medicare billing, Arizona enrollment
- 199 clinicians in this Medicare group
Phoenix, AZ 85012
- Reassigned Medicare billing, Arizona enrollment
- 728 clinicians in this Medicare group
Ganado, AZ 86505
- Reassigned Medicare billing, Arizona enrollment
- 204 clinicians in this Medicare group
Beach, ND 58621
- Reassigned Medicare billing, North Dakota enrollment
- 401 clinicians in this Medicare group
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
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 85724 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
TUCSON, AZ 85724
TUCSON, AZ 85724
TUCSON, AZ 85724
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 Zachary Hernandez's NPI number?
The NPI number for Zachary Hernandez is 1831577550. It was assigned to this individual provider in the NPPES registry on May 14, 2015.
Where is Zachary Hernandez located?
Zachary Hernandez practices at Banner University Medical Center Tucson 1501 N. Campbell Ave., Tucson, AZ 85724. The listed phone number is (520) 694-0111.
What is Zachary Hernandez's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Zachary Hernandez enrolled in Medicare?
Yes. Zachary Hernandez 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 organizations bill Medicare for Zachary Hernandez's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Zachary Hernandez reassigns Medicare benefits to 6 organizations: Banner-University Medical Group (Tucson, AZ), Benson Hospital Corporation (Benson, AZ), Emergency Professional Services PC (San Tan Valley, AZ), Banner - University Hospital Based Physicians LLC (Phoenix, AZ), Navajo Health Foundation-Sage Memorial Hospital, Inc. (Ganado, AZ) and 1 more organization, listed in the Medicare section above. Each 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 Zachary Hernandez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Zachary Hernandez accept?
Health plans from Blue Cross Blue Shield of Arizona and Oscar Health Plan, Inc. list Zachary Hernandez as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Zachary Hernandez was last updated on May 14, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years 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.
# Zachary James Hernandez, M.D. · NPI 1831577550
Emergency Medicine physician in Tucson, Arizona. Individual provider, active in the CMS NPPES registry since May 14, 2015.
## Identity
- **NPI:** 1831577550 (Entity type: Individual)
- **Enumerated:** May 14, 2015
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** R74940 (Arizona)
- **Sole proprietor:** Yes
## Practice location
- **Address:** BANNER UNIVERSITY MEDICAL CENTER TUCSON, 1501 N. CAMPBELL AVE., Tucson, AZ 85724-0001
- **Phone:** (520) 694-0111
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Banner-University Medical Group (NPI 1932708328, Tucson, AZ); Benson Hospital Corporation (NPI 1336118322, Benson, AZ); Emergency Professional Services PC (NPI 1902936164, San Tan Valley, AZ); Banner - University Hospital Based Physicians LLC (NPI 1750751566, Phoenix, AZ); Navajo Health Foundation-Sage Memorial Hospital, Inc. (NPI 1477735777, Ganado, AZ); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Stanford University School Of Medicine, class of 2015
## Record status
- **NPPES last updated:** May 14, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1831577550) · Data from the CMS NPPES public registry.