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Dr. Ayumi I Corn , MD

Pathology - Anatomic Pathology • Seattle, WA

Active NPI 1053390260 Individual Practitioner Female Practitioner Accepts Medicare assignment
Practice location in NPPES

1959 Ne Pacific St.
Seattle, WA 981950001

Call 2065205000 Location details and other listings
Medical Disclaimer

This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.

Practice Location & Contact Primary Location

Practice Address

1959 Ne Pacific St.

Seattle, WA 981950001

Telephone 2065205000
Organization at the Same NPPES Address or Phone
Harborview Medical Center Facility NPI 1003928904

Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.

Other Listings in Public Data

CMS Doctors and Clinicians lists 1 group name: The Association Of University Physicians. See the list

Source: CMS Doctors and Clinicians National Downloadable File, release date unavailable.

Listings do not confirm current availability, employment or a shared ownership network.

Medicare Profile & Education

Source: CMS Doctors and Clinicians National Downloadable File

Graduation Year

1994

Medicare patients

123 people with Original Medicare in 2024

Different Original Medicare patients in 2024; counts below 11 are hidden; this does not show availability or quality.

Source: CMS, Medicare Physician & Other Practitioners – by Provider, 2024.

Medicare-allowed amount

About $19,063 in 2024

The total amount Medicare approved for these services in 2024. It includes what Medicare paid and what patients or their other insurance owed, such as the deductible and coinsurance.

What this does not show: Medicare-allowed amount

This is not the clinician's income. Part of it can go to a clinic or group practice, staff, equipment or drugs. It is not the price you will pay.

Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024.

Paid by Medicare

About $14,781 in 2024

The part of the Medicare-allowed amount that Medicare itself paid in 2024, after patients' deductibles and coinsurance.

What this does not show: Paid by Medicare

This is not the clinician's income and not a measure of quality.

Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024.

Industry payments (Open Payments)

No Open Payments records are listed for this clinician for 2019–2025.

Guide: How to read an Open Payments record

Years since graduation

32 years (graduated 1994)

CMS Doctors and Clinicians data list 1994 as the year this clinician finished professional school.

What this does not show: Years since graduation

It is not the number of years in practice, and more years does not mean better care.

Source: CMS Doctors and Clinicians National Downloadable File.

NPI first issued

2006

The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.

What this does not show: NPI first issued

NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.

Source: CMS NPPES NPI Registry.

Accepts Medicare assignment

CMS data list this clinician as accepting Medicare assignment. This means agreeing to take the Medicare-approved amount as full payment for covered services.

Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.

Source: CMS Doctors and Clinicians; Medicare.gov, “Does your provider accept Medicare as full payment?”

Guide: What Medicare assignment means

No telehealth indicator

CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.

Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.

Guide: How Medicare covers telehealth

Enrolled in Medicare (PECOS)

Dr. Corn has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.

It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What Medicare enrollment (PECOS) means

Can order Medicare-covered services

CMS lists Dr. Corn as eligible to order or refer Medicare Part B clinical laboratory and imaging services, durable medical equipment (DME) and home health services for people with Medicare.

What this does not show: Can order Medicare-covered services

It does not mean the clinician offers these services directly.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What ordering and referring status means

Compared with the same specialty in Seattle and Washington

Billing and prescribing volume is not a quality rating.

Medicare Part B services

Fewer Medicare Part B services than 75% of clinicians listed under Pathology - Anatomic Pathology in Seattle, WA (2024, 22 clinicians with data). Median for this group: 925. Middle half: 395 to 1,522.

Fewer Medicare Part B services than 80% of clinicians listed under Pathology - Anatomic Pathology in Washington (2024, 30 clinicians with data). Median for this group: 1,372. Middle half: 603 to 2,332.

Medicare-allowed amount

A lower Medicare-allowed amount than 75% of clinicians listed under Pathology - Anatomic Pathology in Seattle, WA (2024, 22 clinicians with data). Median for this group: $35,178. Middle half: $19,457 to $67,393.

A lower Medicare-allowed amount than 80% of clinicians listed under Pathology - Anatomic Pathology in Washington (2024, 30 clinicians with data). Median for this group: $56,520. Middle half: $22,920 to $90,203.

Paid by Medicare

A lower Medicare payment amount than 75% of clinicians listed under Pathology - Anatomic Pathology in Seattle, WA (2024, 22 clinicians with data). Median for this group: $27,913. Middle half: $15,186 to $52,596.

A lower Medicare payment amount than 80% of clinicians listed under Pathology - Anatomic Pathology in Washington (2024, 30 clinicians with data). Median for this group: $42,393. Middle half: $18,150 to $69,764.

50 active clinicians are listed under Pathology - Anatomic Pathology with a practice address in Seattle, WA (64 in Washington).

Addresses are self-reported to NPPES and may be out of date.

Telehealth indicator in Seattle

0% of these 50 clinicians have the CMS telehealth indicator.

54% of these 50 clinicians are listed by CMS as accepting Medicare assignment.

Sources: CMS Medicare Physician & Other Practitioners (2024), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.

Text: T-MedInfo · Report an error.

Performed Procedures & Service Volume

Services billed to Original Medicare Part B in 2024.

CMS Part B · Data Year 2024
Reporting Year:

CPT® is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2016–2023 American Medical Association. All rights reserved. Applicable FARS/HHSARS apply. Descriptions of CPT codes are the AMA's CPT Consumer Friendly Descriptors as published by CMS in the Medicare Physician & Other Practitioners – by Provider and Service data, 2017–2024; they are plain-language summaries, not for clinical coding or documentation. HCPCS Level II codes and descriptions are from CMS. Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use. The AMA does not directly or indirectly practice medicine or dispense medical services. The AMA assumes no liability for data contained or not contained herein.

HCPCS Code Services Patients Submitted Charge Medicare Allowed
88360 Microscopic genetic analysis of tumor, manual
73 21 $124.13 $41.55
88305 Pathology examination of tissue using a microscope, intermediate complexity
66 37 $111.37 $38.60
88360 Microscopic genetic analysis of tumor, manual
54 16 $124.39 $42.78
88307 Pathology examination of tissue using a microscope, moderately high complexity
51 28 $245.83 $84.94
88321 Surgical pathology consultation and report on referred slides prepared elsewhere
38 37 $293.02 $86.98
88305 Pathology examination of tissue using a microscope, intermediate complexity
36 30 $111.28 $38.56
88341 Special stained specimen slides to examine tissue, each additional procedure
27 14 $83.77 $28.81
88342 Special stained specimen slides to examine tissue, initial procedure
21 20 $103.78 $36.01
88342 Special stained specimen slides to examine tissue, initial procedure
17 16 $104.45 $36.04

Source: CMS Part B by Provider and Service, 2024; services under 11 beneficiaries omitted by CMS. Privacy limits

Submitted charges are billed amounts, not a price quote for your visit.

Specialties & License Numbers Reported to NPPES

Self-certified to NPPES: 2023-09-26
Pathology - Anatomic Pathology Primary Specialty

NUCC Taxonomy Code: 207ZP0101X

License # reported to NPPES WA MD60235202

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.

Pathology - Clinical Pathology

NUCC Taxonomy Code: 207ZC0006X

License # reported to NPPES WA MD60235202

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.

Check License Status with the State Board License numbers are self-reported to NPPES; T-MedInfo does not confirm them against state records. Current status: Washington State Department of Health Provider Lookup.
Look Up on State Board Site

Medicare (PECOS) Enrollment & Ordering Eligibility

Source: CMS PECOS
Medicare FFS Enrollment Status Medicare Enrollment on File
CMS Provider Specialty

PRACTITIONER - PATHOLOGY

Medicare Enrollment ID

I20111219000569

Enrollment State Jurisdiction

WA

PECOS Control ID

0749270130

Medicare Order & Referring Eligibility
Clinical Lab & Imaging (Part B) Eligible
Durable Medical Equipment (DME) Eligible
Home Health Agency (HHA) Eligible
Power Mobility Devices (PMD) Eligible

Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.

Medicare Group Practice Enrollments

Source: CMS Doctors and Clinicians National Downloadable File

The Association Of University Physicians

1959 Ne Pacific St, Seattle, WA 981950001

Phone: 2065984333

Clinicians Sharing This Practice Address or Phone

Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.

39 listed
Dr. Meagan Alvarado , MD

Internal Medicine - Transplant Hepatology

NPI 1003303363

Doctor of Medicine (M.D.)

Kathryn Anderson , ARNP

Nurse Practitioner

NPI 1003331414

Advanced Registered Nurse Practitioner

Mir Mohammad Ali Ansary

Internal Medicine

NPI 1003235698
Jennifer Branham , ARNP

Nurse Practitioner

NPI 1003251273

Advanced Registered Nurse Practitioner

Timothy Butterworth , CRNA

Nurse Anesthetist, Certified Registered

NPI 1003325333

Certified Registered Nurse Anesthetist

Dr. Maria Corcorran , MD

Internal Medicine

NPI 1003159013

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status

9 Historical Events
📍
Updated Practice Location September 26, 2023

Registered at 1959 NE PACIFIC ST., SEATTLE, WA 981950001 (Tel: 2065205000)

📍
Updated Business Mailing Address September 26, 2023

Registered at PO BOX 50095, SEATTLE, WA 981455095

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) September 26, 2023

Pathology (license number reported to NPPES: WA MD60235202)

✅
NPI Profile Active October 26, 2011

NPI status registered as active in NPPES database

📍
Practice Location (Initial Record) October 26, 2011

Registered at 13103 E MANSFIELD AVE, SPOKANE VALLEY, WA 992161642 (Tel: 5098922700)

📍
Business Mailing Address (Initial Record) October 26, 2011

Registered at PO BOX 3405, SPOKANE, WA 992203405 (Tel: 5098922700)

👤
Provider Name / Credentials (Initial Record) October 26, 2011

Recorded as AYUMI CORN, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) October 26, 2011

Pathology (license number reported to NPPES: WA BC60253741)

🟢
Initial NPI Registration & Enumeration January 16, 2006

First registered as active Individual Practitioner in NPPES Database.

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NPI Administrative Meta

NPI Number: 1053390260
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: January 16, 2006
Last Update: September 26, 2023
Sole Proprietor: No

Other Pathology - Anatomic Pathology Specialists in Seattle

All Pathology - Anatomic Pathology Specialists in Seattle

More public profiles in Washington

Directory navigation, in NPI number order.

Mailing Address

Po Box 50095

Seattle, WA 981455095

About This Data NPPES fields (address, phone, specialty, license) are self-reported and may be outdated; Medicare fields follow the CMS dataset named in each section. Correct directly at NPPES.