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NICHOLAS WILLIAM ANAST M.D.
NPI 1477877173
Anesthesiology in Reno, NV

Active since March 24, 2010PECOS EnrolledAccepts Medicare Assignment

NPPES record last updated: October 9, 2015. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Nicholas William Anast M.d. NPPES

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

NICHOLAS WILLIAM ANAST M.D. (NPI 1477877173) is an individual anesthesiology provider in Reno, Nevada, licensed in Nevada (15807) and active in the NPI registry since March 2010. He is enrolled in Medicare PECOS, is affiliated with Renown Regional Medical Center, and is a graduate of University Of New Mexico School Of Medicine (2010).

NPPES Registry Identity

NPI1477877173
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameNICHOLAS WILLIAM ANASTCredential: M.D.
Location Address235 W 6TH STReno, NV 89503-4548
Mailing Address343 Elm St, Ste 400Reno, NV 89503-4522 · (775) 770-3209
Phone(775) 770-3209
Sole ProprietorNo
Medical School CMSUniversity Of New Mexico School Of MedicineGraduated 2010
Enumeration DateMarch 24, 2010
Last NPPES UpdateOctober 9, 2015
✔ NPI 1477877173 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
Licenses✔ Licensed in NV · 15807✔ Licensed in CA · A117621
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.
235 W 6TH ST, Reno, NV 89503
Open in Google Maps ↗

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

Nicholas William Anast 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.

PECOS PAC ID1658596101
PECOS Enrollment IDI20150717000361
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 Reassignments

2

Medicare enrollment records show Nicholas Anast reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Metcalf, Tiller & Chen, Inc.
Same address
Anesthesiology
235 W 6TH ST
Reno, NV 89503
  • Reassigned Medicare billing, Nevada enrollment
  • 60 clinicians in this Medicare group
NPI 1811237431 (775) 770-3000
Reno Tahoe Anesthesia Weaver PC
5.3 mi
Anesthesiology
625 INNOVATION DR
Reno, NV 89511
  • Reassigned Medicare billing, Nevada enrollment
  • 53 clinicians in this Medicare group
NPI 1548816895 (775) 799-7320

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 11

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.

Ultrasound of heart with probe in esophagus, with report 93312
This procedure, called a transesophageal echocardiogram, uses a small probe passed into your esophagus to capture detailed images of your heart. The report provides information about your heart's structure and function.
51 services49 patients
Ultrasound of heart blood flow, valves and chambers 93320
An ultrasound of your heart, also known as an echocardiogram, is a test that uses sound waves to create detailed images of your heart. It helps doctors check the health of your heart's chambers, valves, and blood flow.
50 services47 patients
Ultrasound of heart with color-depicted blood flow, rate and valve function 93325
An ultrasound of the heart, also known as an echocardiogram, uses sound waves to create pictures of your heart. It shows the structure, movement, and blood flow within your heart. This helps assess the heart's health and function, including the valves and rate.
49 services46 patients
Ultrasonic guidance for blood vessel access 76937
Ultrasonic guidance for blood vessel access is a medical procedure where sound waves are used to create images of your blood vessels. This helps doctors to accurately locate and access the vessels for treatments or tests, ensuring safety and precision.
44 services40 patients
Insertion of artery tube for blood sampling or infusion through skin 36620
This procedure involves placing a small tube into an artery, usually in the wrist or elbow, to collect blood samples or administer medication. It's done under local anesthesia and is a common, safe practice.
41 services40 patients
Anesthesia for x-ray or radiation therapy 01922
Anesthesia for x-ray or radiation therapy involves administering medication to help you relax or sleep during the procedure. It's used to ensure comfort, minimize movement, and reduce anxiety. The type of anesthesia used depends on the procedure and patient's health.
35 services35 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Renown Regional Medical Center

Acute Care Hospitals · Reno, NV
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number290001
Location1155 Mill StreetReno, NV 89502 · Washoe County
Emergency services Birthing friendly

Saint Mary's Regional Medical Center

Acute Care Hospitals · Reno, NV
3/5 CMS rating
OwnershipProprietary
CMS Certification Number290009
Location235 W 6th StReno, NV 89503 · Washoe County
Emergency services

Northern Nevada Medical Center

Acute Care Hospitals · Sparks, NV
3/5 CMS rating
OwnershipProprietary
CMS Certification Number290032
Location2375 E Prater WaySparks, NV 89434 · Washoe County
Emergency services

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.

MS. DEBRA JEAN MADISON APN
Nurse Practitioner (Neonatal)
235 W 6TH ST
RENO, NV 89503
Washoe County (775) 746-5388
MAGDALENA ALVAREZ RN
Registered Nurse (Oncology)
235 W 6TH ST
RENO, NV 89503
Washoe County (775) 770-3000
KRISTI MARIE LYLES NP
Nurse Practitioner
235 W 6TH ST
RENO, NV 89503
Washoe County (775) 770-3000
JENNIFER A SAHM M.D.
Emergency Medicine
235 W 6TH ST
RENO, NV 89503
Washoe County (775) 746-3202
CEP AMERICA - ANESTHESIA PC
Anesthesiology
235 W 6TH ST
RENO, NV 89503
Washoe County (775) 770-3000
JOHN E STEWART MD
Hospitalist
235 W 6TH ST
RENO, NV 89503
Washoe County (775) 982-7878
DR. REKA DANKO M.D.
Hospitalist
235 W 6TH ST
RENO, NV 89503
Washoe County (775) 770-6490
PRIME HEALTHCARE SERVICES RENO LLC
Psychiatric Unit
235 W 6TH ST
RENO, NV 89503
Washoe County (775) 770-3000

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 Nicholas Anast's NPI number?

The NPI number for Nicholas Anast is 1477877173. It was assigned to this individual provider in the NPPES registry on March 24, 2010.

Where is Nicholas Anast located?

Nicholas Anast practices at 235 W 6th St, Reno, NV 89503. The listed phone number is (775) 770-3209.

What is Nicholas Anast's specialty?

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

Is Nicholas Anast enrolled in Medicare?

Yes. Nicholas Anast 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 Nicholas Anast's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nicholas Anast reassigns Medicare benefits to 2 organizations: Metcalf, Tiller & Chen, Inc. (Reno, NV) and Reno Tahoe Anesthesia Weaver PC (Reno, NV). 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 Nicholas Anast's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Nicholas Anast affiliated with any hospitals?

According to CMS data, Nicholas Anast is affiliated with Renown Regional Medical Center, Saint Mary's Regional Medical Center and Northern Nevada Medical Center.

When was this NPI record last updated?

The NPPES record for Nicholas Anast was last updated on October 9, 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.