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

HNIN INGYIN MD
NPI 1295315919
Pathology - Anatomic Pathology & Clinical Pathology in Seattle, WA

Active since April 08, 2021PECOS EnrolledAccepts Medicare Assignment
1100 9TH AVE, SEATTLE, WA 98101(206) 223-6861(206) 341-0862 Get Directions Write a Review

NPPES record last updated: October 13, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 13, 2026, Apr 8, 2021 (2 updates tracked since 2021).

About Hnin Ingyin Md NPPES

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

HNIN INGYIN MD (NPI 1295315919) is an individual anatomic pathology & clinical pathology provider in Seattle, Washington, licensed in Washington (MD70109048) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1295315919
Entity TypeIndividualFemale
Primary Taxonomy207ZP0102X
Provider Legal NameHNIN INGYINCredential: MD
Location Address1100 9TH AVESeattle, WA 98101-2756
Mailing AddressPo Box 741515Los Angeles, CA 90074-1515 · (206) 223-6861 · Fax (206) 341-0862
Fax(206) 341-0862
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateApril 8, 2021
Last NPPES UpdateOctober 13, 20262 updates tracked since enumeration
NPPES CertifiedOctober 13, 2026
✔ NPI 1295315919 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
Licenses✔ Licensed in WA · MD70109048✔ Licensed in CA · A200855
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
1100 9TH AVE, Seattle, WA 98101

Accepted Insurance

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

Hnin Ingyin Md 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 ID9133624588
PECOS Enrollment IDI20250925003321
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 Hnin Ingyin reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Gastroenterology
1100 9TH AVE
Seattle, WA 98101
  • Reassigned Medicare billing, Washington enrollment
  • 1,021 clinicians in this Medicare group
Urogynecology and Reconstructive Pelvic Surgery
4860 Y ST
Sacramento, CA 95817
  • Reassigned Medicare billing, California enrollment
  • 2,570 clinicians in this Medicare group

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

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.

Occupational Therapist
1100 9TH AVE
SEATTLE, WA 98101
Pharmacist
1100 9TH AVE, MS C3-PO
SEATTLE, WA 98101
Internal Medicine (Critical Care Medicine)
1100 9TH AVE
SEATTLE, WA 98101
Contractor
1100 9TH AVE
SEATTLE, WA 98101
Physical Medicine & Rehabilitation
1100 9TH AVE
SEATTLE, WA 98101
Speech-Language Pathologist
1100 9TH AVE, MS:H4-PMR
SEATTLE, WA 98101
Surgery
1100 9TH AVE
SEATTLE, WA 98101
Internal Medicine (Gastroenterology)
1100 9TH AVE
SEATTLE, WA 98101

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 Hnin Ingyin's NPI number?

The NPI number for Hnin Ingyin is 1295315919. It was assigned to this individual provider in the NPPES registry on April 8, 2021.

Where is Hnin Ingyin located?

Hnin Ingyin practices at 1100 9th Ave, Seattle, WA 98101. The listed phone number is (206) 223-6861.

What is Hnin Ingyin's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Is Hnin Ingyin enrolled in Medicare?

Yes. Hnin Ingyin 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 Hnin Ingyin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hnin Ingyin reassigns Medicare benefits to 2 organizations: Virginia Mason Medical Center (Seattle, WA) and Regents Of The Univ Of Ca (Sacramento, CA). 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 Hnin Ingyin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Hnin Ingyin accept?

Health plans from Premera Blue Cross Blue Shield of Alaska list Hnin Ingyin 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 Hnin Ingyin was last updated on October 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.