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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

FIELDEN HANSON ISAACS MIYADA ROBISON YEH LTD
NPI 1699710749
Anesthesiology in Las Vegas, NV

Active since June 20, 2006
7160 RAFAEL RIVERA WAY STE 210, LAS VEGAS, NV 89113(702) 878-0070(702) 805-0307 Get Directions Write a Review

NPPES record last updated: September 3, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 3, 2026, Aug 24, 2026, Jul 22, 2026 and 6 more (9 updates tracked since 2016).

About Fielden Hanson Isaacs Miyada Robison Yeh Ltd NPPES

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

FIELDEN HANSON ISAACS MIYADA ROBISON YEH LTD (NPI 1699710749), doing business as Us Anesthesia Partners Of Nevada, is a healthcare organization registered as an anesthesiology in Las Vegas, Nevada and active in the NPI registry since June 2006. The organization lists Ryan Hafen, Md, as its authorized official.

NPPES Registry Identity

NPI1699710749
Entity TypeOrganization
Primary Taxonomy207L00000X
Legal Business NameFIELDEN HANSON ISAACS MIYADA ROBISON YEH LTD
Location Address7160 RAFAEL RIVERA WAY STE 210Las Vegas, NV 89113-5395
Mailing AddressPo Box 840857Dallas, TX 75284-0857 · (725) 204-4632 · Fax (702) 805-0307
Phone(702) 878-0070
Fax(702) 805-0307
Organization SubpartNo
Authorized OfficialRyan HafenMd · (702) 878-0070
Enumeration DateJune 20, 2006
Last NPPES UpdateSeptember 3, 20269 updates tracked since enumeration
NPPES CertifiedSeptember 3, 2026
✔ NPI 1699710749 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
Also ListedNurse Anesthetist, Certified RegisteredTaxonomy 367500000X
Also ListedAnesthesiologist AssistantTaxonomy 367H00000X
7160 RAFAEL RIVERA WAY STE 210, Las Vegas, NV 89113
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Other Names 2

Doing Business AsUs Anesthesia Partners Of Nevada
Doing Business AsUsap - Nevada

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Fielden Hanson Isaacs Miyada Robison Yeh Ltd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

202

Medicare enrollment records show 202 clinicians reassign Medicare billing to Fielden Hanson Isaacs Miyada Robison Yeh Ltd, which bills Medicare for the services they deliver. Of these, 71 practice at this address and 152 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 5

Anesthesiology137
Certified Registered Nurse Anesthetist (CRNA)52
Anesthesiology Assistant11
Critical Care (Intensivists)1
Pain Management1

Nearest to this location (20)

See all 202
Nnamdi Achebe
Anesthesiology
NPI 1558943340
7160 RAFAEL RIVERA WAY STE 210
Las Vegas, NV 89113
(702) 878-0070
✔ PECOS✔ Accepts MedicareSame address
Zulmarie Adorno-Maldonado, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1871030932
7160 RAFAEL RIVERA WAY STE 210
Las Vegas, NV 89113
(702) 878-0070
✔ Accepts MedicareSame address
Dominic Aramini
Anesthesiology Assistant
NPI 1336078542
7160 RAFAEL RIVERA WAY STE 210
Las Vegas, NV 89113
(702) 878-0070
Same address
Zena Biruk, CAA
Anesthesiology Assistant
NPI 1295671345
7160 RAFAEL RIVERA WAY STE 210
Las Vegas, NV 89113
(702) 878-0070
✔ Accepts MedicareSame address
Sami Borno, DO
Anesthesiology
NPI 1457938219
7160 RAFAEL RIVERA WAY STE 210
Las Vegas, NV 89113
(702) 878-0070
✔ PECOS✔ Accepts MedicareSame address
Mark Bui, MD
Anesthesiology
NPI 1689323008
7160 RAFAEL RIVERA WAY STE 210
Las Vegas, NV 89113
(725) 204-4632
✔ PECOS✔ Accepts MedicareSame address
Junnell Capala
Certified Registered Nurse Anesthetist (CRNA)
NPI 1568399491
7160 RAFAEL RIVERA WAY STE 210
Las Vegas, NV 89113
(702) 878-0070
✔ Accepts MedicareSame address
Lee Chapon
Certified Registered Nurse Anesthetist (CRNA)
NPI 1881386829
7160 RAFAEL RIVERA WAY STE 210
Las Vegas, NV 89113
(702) 878-0070
✔ Accepts MedicareSame address
Kevin Chen, MD
Anesthesiology
NPI 1801538236
7160 RAFAEL RIVERA WAY STE 210
Las Vegas, NV 89113
(702) 878-0070
✔ PECOS✔ Accepts MedicareSame address
Xing Chen
Certified Registered Nurse Anesthetist (CRNA)
NPI 1588554562
7160 RAFAEL RIVERA WAY STE 210
Las Vegas, NV 89113
(702) 878-0070
✔ Accepts MedicareSame address
Alec Cicchini, DO
Anesthesiology
NPI 1245814235
7160 RAFAEL RIVERA WAY STE 210
Las Vegas, NV 89113
(702) 878-0070
✔ PECOS✔ Accepts MedicareSame address
Madeline Costello, DNP, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1215657820
7160 RAFAEL RIVERA WAY STE 210
Las Vegas, NV 89113
(888) 339-8727
✔ Accepts MedicareSame address
Jeffery Degrauw, DO
Anesthesiology
NPI 1437736402
7160 RAFAEL RIVERA WAY STE 210
Las Vegas, NV 89113
(702) 878-0070
✔ PECOS✔ Accepts MedicareSame address
Nathan-Terrence Ebiya
Anesthesiology
NPI 1750031951
7160 RAFAEL RIVERA WAY STE 210
Las Vegas, NV 89113
(702) 878-0070
✔ PECOS✔ Accepts MedicareSame address
Alexandra Grelecki
Anesthesiology Assistant
NPI 1932078466
7160 RAFAEL RIVERA WAY STE 210
Las Vegas, NV 89113
(702) 492-8000
✔ Accepts MedicareSame address
Rebecca Heisinger, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1730624990
7160 RAFAEL RIVERA WAY STE 210
Las Vegas, NV 89113
(702) 878-0070
✔ Accepts MedicareSame address
Paul Fisher, CAA
Anesthesiology Assistant
NPI 1457697757
7160 RAFAEL RIVERA WAY STE 210
Las Vegas, NV 89113
(702) 878-0070
✔ Accepts MedicareSame address
Yi Liu, DO
Critical Care (Intensivists)
NPI 1851928808
7160 RAFAEL RIVERA WAY STE 210
Las Vegas, NV 89113
(702) 878-0070
✔ PECOS✔ Accepts MedicareSame address
Rachel Matsumura, CAA
Anesthesiology Assistant
NPI 1437801032
7160 RAFAEL RIVERA WAY STE 210
Las Vegas, NV 89113
(702) 878-0070
✔ Accepts MedicareSame address
Paul Orozco, AA
Anesthesiology Assistant
NPI 1184393845
7160 RAFAEL RIVERA WAY STE 210
Las Vegas, NV 89113
(702) 878-0070
✔ Accepts MedicareSame address
See all 202 clinicians

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

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 Fielden Hanson Isaacs Miyada Robison Yeh Ltd's NPI number?

The NPI number for Fielden Hanson Isaacs Miyada Robison Yeh Ltd is 1699710749. It was assigned to this organization in the NPPES registry on June 20, 2006. The provider is doing business as US Anesthesia Partners of Nevada and Usap - Nevada.

Where is Fielden Hanson Isaacs Miyada Robison Yeh Ltd located?

Fielden Hanson Isaacs Miyada Robison Yeh Ltd is located at 7160 Rafael Rivera Way Ste 210, Las Vegas, NV 89113. The listed phone number is (702) 878-0070.

What is Fielden Hanson Isaacs Miyada Robison Yeh Ltd's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Fielden Hanson Isaacs Miyada Robison Yeh Ltd enrolled in Medicare?

Yes. Fielden Hanson Isaacs Miyada Robison Yeh Ltd is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Fielden Hanson Isaacs Miyada Robison Yeh Ltd?

According to the CMS Revalidation Reassignment List (October 2026 release), 202 clinicians in 5 Medicare specialties reassign their Medicare billing to Fielden Hanson Isaacs Miyada Robison Yeh Ltd. A 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 the clinician's services. The largest specialties are Anesthesiology (137), Certified Registered Nurse Anesthetist (CRNA) (52) and Anesthesiology Assistant (11). Of these, 71 practice at this address and 152 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Fielden Hanson Isaacs Miyada Robison Yeh Ltd accept?

Health plans from Ambetter Health and Ambetter from Arizona Complete Health list Fielden Hanson Isaacs Miyada Robison Yeh Ltd 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 Fielden Hanson Isaacs Miyada Robison Yeh Ltd was last updated on September 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 54 days 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.