ZACHARY AARON ORTIZ
NPI 1134736499
Nurse Anesthetist, Certified Registered in Memphis, TN
About Zachary Aaron Ortiz NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ZACHARY AARON ORTIZ (NPI 1134736499) is an individual nurse anesthetist, certified registered in Memphis, Tennessee, licensed in Tennessee (29637) and active in the NPI registry since September 2020. He maintains a secondary practice location in Memphis and is a graduate of Other (2010).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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 Aaron Ortiz 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
2Medicare enrollment records show Zachary Ortiz reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Knoxville, TN 37916
- Reassigned Medicare billing, Tennessee enrollment
- Medicare enrollment name: American Anesthesiology Of Tennessee PC
- 959 clinicians in this Medicare group
Palmer, AK 99645
- Reassigned Medicare billing, Alaska enrollment
- 57 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 4
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 38103 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MEMPHIS, TN 38103
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 Ortiz's NPI number?
The NPI number for Zachary Ortiz is 1134736499. It was assigned to this individual provider in the NPPES registry on September 30, 2020.
Where is Zachary Ortiz located?
Zachary Ortiz practices at 877 Jefferson Ave, Memphis, TN 38103. The listed phone number is (901) 545-7100.
What is Zachary Ortiz's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Zachary Ortiz enrolled in Medicare?
Yes. Zachary Ortiz 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 Ortiz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Zachary Ortiz reassigns Medicare benefits to 2 organizations: American Anesthesiology Of Tennessee, P.C. (Knoxville, TN) and Anesthesia Care Associates, PC (Palmer, AK). 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 Ortiz'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 Zachary Ortiz was last updated on August 17, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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 Aaron Ortiz · NPI 1134736499
Nurse Anesthetist, Certified Registered physician in Memphis, Tennessee. Individual provider, active in the CMS NPPES registry since September 30, 2020.
## Identity
- **NPI:** 1134736499 (Entity type: Individual)
- **Enumerated:** September 30, 2020
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 29637 (Tennessee)
- **Sole proprietor:** No
## Practice location
- **Address:** 877 JEFFERSON AVE, Memphis, TN 38103-2807
- **Phone:** (901) 545-7100
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): American Anesthesiology Of Tennessee, P.C. (NPI 1245279777, Knoxville, TN); Anesthesia Care Associates, PC (NPI 1033160452, Palmer, AK) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2010
## Record status
- **NPPES last updated:** August 17, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1134736499) · Data from the CMS NPPES public registry.