1. Home
  2. Directory
  3. Washington
  4. Seattle
  5. Hospitalist
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

SIERRA BERTOLONE-SMITH
NPI 1366147472
Hospitalist in Seattle, WA

Active since March 31, 2023PECOS Enrolled
925 SENECA ST, SEATTLE, WA 98101(206) 341-0468(206) 625-7414 Get Directions Write a Review

NPPES record last updated: September 28, 2026. Verified against the NPPES registry weekly; last sync: October 11, 2026.

Record update history: Sep 28, 2026, Mar 31, 2023 (2 updates tracked since 2023).

About Sierra Bertolone-smith NPPES

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

SIERRA BERTOLONE-SMITH (NPI 1366147472) is an individual hospitalist provider in Seattle, Washington, licensed in Washington (OP70074936) and active in the NPI registry since March 2023. She is enrolled in Medicare PECOS and is a graduate of Pacific Nw Un Of Hs, Col Of Osteopathic Medicine (2023).

NPPES Registry Identity

NPI1366147472
Entity TypeIndividualFemale
Primary Taxonomy208M00000X
Provider Legal NameSIERRA BERTOLONE-SMITH
Location Address925 SENECA STSeattle, WA 98101-2742
Mailing AddressPo Box 741515Los Angeles, CA 90074-1515
Phone(206) 341-0468
Fax(206) 625-7414
Sole ProprietorNo
Medical School CMSPacific Nw Un Of Hs, Col Of Osteopathic MedicineGraduated 2023
Enumeration DateMarch 31, 2023
Last NPPES UpdateSeptember 28, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 28, 2026
✔ NPI 1366147472 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in WA · OP70074936
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
925 SENECA ST, Seattle, WA 98101
Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Sierra Bertolone-smith 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 ID5597123331
PECOS Enrollment IDI20260622002723
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98101 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
$143.76 typical visit price
range $63.67 – $189.37
Typical copayment $35.94 (range $15.91 – $47.34)
Most-billed visit code 99204
Established Patient
$111.00 typical visit price
range $21.12 – $155.00
Typical copayment $27.75 (range $5.28 – $38.75)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

STEPHEN A LOPEZ MD
Hospitalist
925 SENECA ST
SEATTLE, WA 98101
King County (206) 341-0860
DR. STEPHEN RAMON MD
Student in an Organized Health Care Education/Training Program
925 SENECA ST
SEATTLE, WA 98101
King County (206) 583-6079
JARED JOHN BASSMANN
Student in an Organized Health Care Education/Training Program
925 SENECA ST
SEATTLE, WA 98101
King County (206) 223-6772
YORDANOS T KAHSAI M.D.
Hospitalist
925 SENECA ST
SEATTLE, WA 98101
King County (206) 624-1144
RHADIKA MCCORMICK SOUZA MD
Emergency Medicine
925 SENECA ST
SEATTLE, WA 98101
King County (206) 583-6433
IRINA KUSHNIR M.D.
Hospitalist
925 SENECA ST
SEATTLE, WA 98101
King County (206) 341-1401
JENNA LEE MALIGRO MD
Student in an Organized Health Care Education/Training Program
925 SENECA ST, MAIL STOP: H8-GME
SEATTLE, WA 98101
King County (206) 583-6079
THOMAS HOY PEREZ
Student in an Organized Health Care Education/Training Program
925 SENECA ST
SEATTLE, WA 98101
King County (408) 832-4749

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 Sierra Bertolone-smith's NPI number?

The NPI number for Sierra Bertolone-smith is 1366147472. It was assigned to this individual provider in the NPPES registry on March 31, 2023.

Where is Sierra Bertolone-smith located?

Sierra Bertolone-smith practices at 925 Seneca St, Seattle, WA 98101. The listed phone number is (206) 341-0468.

What is Sierra Bertolone-smith's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Sierra Bertolone-smith enrolled in Medicare?

Yes. Sierra Bertolone-smith 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.

When was this NPI record last updated?

The NPPES record for Sierra Bertolone-smith was last updated on September 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.