1. Home
  2. Directory
  3. Washington
  4. Mount Vernon
  5. Family Medicine
  6. NPI Profile

DR. TIANA MIEKO IBARRA YAMAMOTO DO
NPI 1972245397
Family Medicine in Mount Vernon, WA

Active since April 07, 2022PECOS EnrolledAccepts Medicare Assignment
901 S 5TH ST, MOUNT VERNON, WA 98274(360) 814-7300 Get Directions Write a Review

NPPES record last updated: January 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jan 13, 2026, Apr 7, 2022 (2 updates tracked since 2022).

About Dr. Tiana Mieko Ibarra Yamamoto Do NPPES

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

DR. TIANA MIEKO IBARRA YAMAMOTO DO (NPI 1972245397) is an individual family medicine provider in Mount Vernon, Washington, licensed in Washington (OP70040343) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS, is affiliated with Skagit Valley Hospital, and is a graduate of Pacific Nw Un Of Hs, Col Of Osteopathic Medicine (2022).

NPPES Registry Identity

NPI1972245397
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameDR. TIANA MIEKO IBARRA YAMAMOTOCredential: DO
Location Address901 S 5TH STMount Vernon, WA 98274-3942
Mailing Address1400 E Kincaid StMount Vernon, WA 98274-4127
Phone(360) 814-7300
Sole ProprietorNo
Medical School CMSPacific Nw Un Of Hs, Col Of Osteopathic MedicineGraduated 2022
Enumeration DateApril 7, 2022
Last NPPES UpdateJanuary 13, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 13, 2026
✔ NPI 1972245397 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in WA · OP70040343
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
901 S 5TH ST, Mount Vernon, WA 98274
Open in Google Maps ↗

Other Names 1

Former Name (1)Dr. Tiana Mieko Nading Do

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

Dr. Tiana Mieko Ibarra Yamamoto Do 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 ID7416330246
PECOS Enrollment IDI20260211002426
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.

Hospital Affiliations CMS Care Compare

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

Skagit Valley Hospital

Acute Care Hospitals · Mount Vernon, WA
3/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number500003
Location1415 E Kincaid StreetMount Vernon, WA 98274 · Skagit County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98274 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
$88.29 typical visit price
range $57.27 – $172.80
Typical copayment $22.07 (range $14.31 – $43.20)
Most-billed visit code 99203
Established Patient
$100.78 typical visit price
range $18.56 – $141.11
Typical copayment $25.19 (range $4.64 – $35.27)
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.

SANDRA LEE GAILEY MD
Emergency Medicine
901 S 5TH ST
MOUNT VERNON, WA 98274
Skagit County (360) 428-6434
SHELLY BETHANN DAMSCHRODER NP
Nurse Practitioner (Family)
901 S 5TH ST
MOUNT VERNON, WA 98274
Skagit County (360) 814-7300
CAMILLE LAUREN CONNELLY M.D.
Orthopaedic Surgery
901 S 5TH ST
MOUNT VERNON, WA 98274
Skagit County (360) 424-7041
NATHAN TOLLEY DO
Psychiatry & Neurology (Psychiatry)
901 S 5TH ST
MOUNT VERNON, WA 98274
Skagit County (360) 814-7300
JASANJOT JENNY PARMAR DO
Family Medicine
901 S 5TH ST
MOUNT VERNON, WA 98274
Skagit County (360) 814-7300
DR. MATTHEW MOSES ACOSTA MD
Family Medicine
901 S 5TH ST
MOUNT VERNON, WA 98274
Skagit County (360) 814-7300
STACIA ANN SMITH M.D.
Orthopaedic Surgery
901 S 5TH ST
MOUNT VERNON, WA 98274
Skagit County (360) 424-7041
KYLE WALSH MD
Family Medicine
901 S 5TH ST
MOUNT VERNON, WA 98274
Skagit County (360) 814-7300

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 Tiana Ibarra Yamamoto's NPI number?

The NPI number for Tiana Ibarra Yamamoto is 1972245397. It was assigned to this individual provider in the NPPES registry on April 7, 2022. The provider is also known as Dr. Tiana Mieko Nading Do.

Where is Tiana Ibarra Yamamoto located?

Tiana Ibarra Yamamoto practices at 901 S 5th St, Mount Vernon, WA 98274. The listed phone number is (360) 814-7300.

What is Tiana Ibarra Yamamoto's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Tiana Ibarra Yamamoto enrolled in Medicare?

Yes. Tiana Ibarra Yamamoto 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.

Is Tiana Ibarra Yamamoto affiliated with any hospitals?

According to CMS data, Tiana Ibarra Yamamoto is affiliated with Skagit Valley Hospital.

When was this NPI record last updated?

The NPPES record for Tiana Ibarra Yamamoto was last updated on January 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.