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NATHAN ESTEP
NPI 1740691096
Nurse Anesthetist, Certified Registered in Phoenix, AZ

Active since May 08, 2014Accepts Medicare Assignment
69.44/100
CMS Quality Rating
550 W MARYLAND AVE UNIT 123, PHOENIX, AZ 85013(816) 262-3191 Get Directions Write a Review

NPPES record last updated: May 8, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Nathan Estep NPPES

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

NATHAN ESTEP (NPI 1740691096) is an individual nurse anesthetist, certified registered in Phoenix, Arizona, licensed in Arizona (CRNA1052) and active in the NPI registry since May 2014. He is a graduate of Other (2014).

NPPES Registry Identity

NPI1740691096
Entity TypeIndividualMale
Primary Taxonomy367500000X
Provider Legal NameNATHAN ESTEP
Location Address550 W MARYLAND AVE UNIT 123Phoenix, AZ 85013-1363
Mailing AddressDept# 42065 Po Box 650823Dallas, TX 75265-6662 · (602) 200-9021
Phone(816) 262-3191
Sole ProprietorNo
Medical School CMSOtherGraduated 2014
Enumeration DateMay 8, 2014
Last NPPES UpdateMay 8, 2020
NPPES CertifiedMay 8, 2020
✔ NPI 1740691096 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License✔ Licensed in AZ · CRNA1052
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
Also ListedRegistered NurseTaxonomy 163W00000X · License RN187379 (AZ)
550 W MARYLAND AVE UNIT 123, Phoenix, AZ 85013
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona, Cigna HealthCare of Arizona, Inc, Oscar Health Plan, Inc. and more.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

Nathan Estep 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 ID5890913156
PECOS Enrollment IDI20140827002713

Medicare Billing Reassignments

9

Medicare enrollment records show Nathan Estep reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Guide Anesthesia Az LLC
2.1 mi
Nurse Anesthetist, Certified Registered
7301 N 16TH ST STE 102
Phoenix, AZ 85020
  • Reassigned Medicare billing, Arizona enrollment
  • 174 clinicians in this Medicare group
NPI 1649164849 (602) 834-5363
Velaro Medical Group PLLC
4.8 mi
Nurse Anesthetist, Certified Registered
1111 E MCDOWELL RD
Phoenix, AZ 85006
  • Reassigned Medicare billing, Arizona enrollment
  • 17 clinicians in this Medicare group
NPI 1396672937 (602) 839-2000
Summit Anesthesia Services PLLC
8.8 mi
Nurse Anesthetist, Certified Registered
3929 E BELL RD
Phoenix, AZ 85032
  • Reassigned Medicare billing, Arizona enrollment
  • 182 clinicians in this Medicare group
NPI 1821589144 (602) 923-5000
Greater Anesthesia Solutions
12 mi
Anesthesiology
10720 W INDIAN SCHOOL RD STE 19-1039
Phoenix, AZ 85037
  • Reassigned Medicare billing, Arizona enrollment
  • 423 clinicians in this Medicare group
NPI 1124430244 (480) 977-9559
Pca Anesthesia
15 mi
Anesthesiology
2421 E SOUTHERN AVE STE 7
Tempe, AZ 85282
  • Reassigned Medicare billing, Arizona enrollment
  • 107 clinicians in this Medicare group
NPI 1164804258 (480) 425-2160
Ascend Anesthesia LLC
23 mi
Nurse Anesthetist, Certified Registered
4620 E BASELINE RD
Mesa, AZ 85206
  • Reassigned Medicare billing, Arizona enrollment
  • 298 clinicians in this Medicare group
NPI 1407642945 (623) 320-0660
Hospitalist Medicine Physicians Of Arizona - Nogales
122 mi
Nurse Anesthetist, Certified Registered
5755 S HOUGHTON RD
Tucson, AZ 85747
  • Reassigned Medicare billing, Arizona enrollment
  • 204 clinicians in this Medicare group
NPI 1487251799 (520) 324-5818
Anesthesia Partners Of Arizona LLC
890 mi
Anesthesiology
2221 LAKESIDE BLVD STE 600
Richardson, TX 75082
  • Reassigned Medicare billing, Arizona enrollment
  • 390 clinicians in this Medicare group
NPI 1619452901 (855) 285-2455
Anesthesia Partners & Management LLC
1,654 mi
Nurse Anesthetist, Certified Registered
8273 GRAND RIVER RD STE 210
Brighton, MI 48114
  • Reassigned Medicare billing, Arizona enrollment
  • 370 clinicians in this Medicare group
NPI 1336530997 (480) 420-4027

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 2

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.

Anesthesia for procedure to assess heart electrical activity 00537
Anesthesia for a procedure to assess heart electrical activity helps ensure comfort and relaxation. It involves administering medication that either numbs a specific area or makes you sleep temporarily. This allows doctors to safely examine your heart's electrical signals without causing discomfort.
21 services21 patients
Anesthesia for other procedure on large bowel using an endoscope 00811
Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.
14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85013 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
$69.24 typical visit price
range $17.72 – $137.41
Typical copayment $17.31 (range $4.43 – $34.35)
Most-billed visit code 99213
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.

69.44/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality88.33
Improvement Activities0
Cost69.53

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 Nathan Estep's NPI number?

The NPI number for Nathan Estep is 1740691096. It was assigned to this individual provider in the NPPES registry on May 8, 2014.

Where is Nathan Estep located?

Nathan Estep practices at 550 W Maryland Ave Unit 123, Phoenix, AZ 85013. The listed phone number is (816) 262-3191.

What is Nathan Estep's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Nathan Estep enrolled in Medicare?

Yes. Nathan Estep 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 Nathan Estep's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nathan Estep reassigns Medicare benefits to 9 organizations: Guide Anesthesia Az LLC (Phoenix, AZ), Velaro Medical Group PLLC (Phoenix, AZ), Summit Anesthesia Services PLLC (Phoenix, AZ), Greater Anesthesia Solutions (Phoenix, AZ), Pca Anesthesia (Tempe, AZ) and 4 more organizations, 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 Nathan Estep's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nathan Estep accept?

Health plans from Blue Cross Blue Shield of Arizona, Cigna HealthCare of Arizona, Inc, Oscar Health Plan, Inc. and Oscar Insurance Company list Nathan Estep 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 Nathan Estep was last updated on May 8, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.