SHAINA MARISSA WILLEN MD
NPI 1730479627
Pediatrics - Pediatric Pulmonology in Reno, NV

Active since April 12, 2011PECOS Enrolled
1155 MILL ST, RENO, NV 89502(775) 982-5123(775) 982-5470 Get Directions Write a Review

NPPES record last updated: April 28, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Apr 28, 2026, Jan 6, 2023, Dec 22, 2021 and 1 more (4 updates tracked since 2020).

About Shaina Marissa Willen Md NPPES

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

SHAINA MARISSA WILLEN MD (NPI 1730479627) is an individual pediatric pulmonology provider in Reno, Nevada, licensed in Nevada (29058) and active in the NPI registry since April 2011. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1730479627
Entity TypeIndividualFemale
Primary Taxonomy2080P0214X
Provider Legal NameSHAINA MARISSA WILLENCredential: MD
Location Address1155 MILL STReno, NV 89502-1576
Mailing Address1155 Mill St # Msm14Reno, NV 89502-1576 · (775) 982-5262 · Fax (775) 982-5496
Fax(775) 982-5470
Sole ProprietorNo
Enumeration DateApril 12, 2011
Last NPPES UpdateApril 28, 20264 updates tracked since enumeration
NPPES CertifiedApril 28, 2026
NPI 1730479627 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyPediatrics · Pediatric PulmonologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0214X
License Licensed in NV · 29058
Definition
A pediatrician dedicated to the prevention and treatment of all respiratory diseases affecting infants, children and young adults. This specialist is knowledgeable about the growth and development of the lung, assessment of respiratory function in infants and children, and experienced in a variety of invasive and noninvasive diagnostic techniques.
Also ListedPediatricsTaxonomy 208000000X · License A159074 (CA)
Also ListedPediatrics · Pediatric Hematology-OncologyTaxonomy 2080P0207X · License A159074 (CA)
1155 MILL ST, Reno, NV 89502

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Shaina Marissa Willen Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

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.

Emergency Medicine
1155 MILL ST
RENO, NV 89502
Radiology (Vascular & Interventional Radiology)
1155 MILL ST
RENO, NV 89502
Pharmacist (Ambulatory Care)
1155 MILL ST
RENO, NV 89502
Registered Nurse (Neonatal Intensive Care)
1155 MILL ST
RENO, NV 89502
Internal Medicine (Cardiovascular Disease)
1155 MILL ST
RENO, NV 89502
Pathology (Anatomic Pathology & Clinical Pathology)
1155 MILL ST
RENO, NV 89502
Hospitalist
1155 MILL ST
RENO, NV 89502
Hospitalist
1155 MILL ST
RENO, NV 89502

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 Shaina Willen's NPI number?

The NPI number for Shaina Willen is 1730479627. It was assigned to this individual provider in the NPPES registry on April 12, 2011.

Where is Shaina Willen located?

Shaina Willen practices at 1155 Mill St, Reno, NV 89502. The listed phone number is (775) 982-5123.

What is Shaina Willen's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Pulmonology, with taxonomy code 2080P0214X.

Is Shaina Willen enrolled in Medicare?

Yes. Shaina Willen is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Shaina Willen was last updated on April 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.