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

TANYA SAJAN PONNATT MD
NPI 1407436074
Pathology - Anatomic Pathology & Clinical Pathology in Seattle, WA

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

NPPES record last updated: August 26, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 26, 2026, Apr 9, 2021 (2 updates tracked since 2021).

About Tanya Sajan Ponnatt Md NPPES

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

TANYA SAJAN PONNATT MD (NPI 1407436074) is an individual anatomic pathology & clinical pathology provider in Seattle, Washington, licensed in Washington (MD70102006) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1407436074
Entity TypeIndividualFemale
Primary Taxonomy207ZP0102X
Provider Legal NameTANYA SAJAN PONNATTCredential: MD
Location Address1100 9TH AVESeattle, WA 98101-2756
Mailing AddressPo Box 741515Los Angeles, CA 90074-1515 · (206) 223-6861 · Fax (206) 341-0862
Phone(206) 223-6861
Fax(206) 341-0862
Sole ProprietorYes
Enumeration DateApril 8, 2021
Last NPPES UpdateAugust 26, 20262 updates tracked since enumeration
NPPES CertifiedAugust 26, 2026
✔ NPI 1407436074 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
License✔ Licensed in WA · MD70102006
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
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Tanya Sajan Ponnatt 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.

Medicare Billing Reassignment

Medicare enrollment records show Tanya Sajan Ponnatt reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Virginia Mason Medical Center
Same address
Gastroenterology
1100 9TH AVE
Seattle, WA 98101
  • Reassigned Medicare billing, Washington enrollment
  • 1,021 clinicians in this Medicare group
NPI 1003970989 (206) 223-6600

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.

JACLYN ANN SUBKOVIAK OT
Occupational Therapist
1100 9TH AVE
SEATTLE, WA 98101
King County (206) 341-0461
MARCIE G HUME PHARM.D.
Pharmacist
1100 9TH AVE, MS C3-PO
SEATTLE, WA 98101
King County (206) 223-6877
DR. VINAY GUPTA MD
Internal Medicine (Critical Care Medicine)
1100 9TH AVE
SEATTLE, WA 98101
King County (206) 223-6980
MARY JO BUKOVIC CCP
Contractor
1100 9TH AVE
SEATTLE, WA 98101
King County (206) 223-6600
PEGAH SAFAEIAN D.O.
Physical Medicine & Rehabilitation
1100 9TH AVE
SEATTLE, WA 98101
King County (206) 223-6600
MRS. GENEVIEVE HOUDET-COTE SLP
Speech-Language Pathologist
1100 9TH AVE, MS:H4-PMR
SEATTLE, WA 98101
King County (206) 341-0461
ROBERT DALE MCCLURE MD
Surgery
1100 9TH AVE
SEATTLE, WA 98101
King County (206) 223-6600
VIRGINIA MASON MEDICAL CENTER
Internal Medicine (Gastroenterology)
1100 9TH AVE
SEATTLE, WA 98101
King County (206) 223-6600

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 Tanya Sajan Ponnatt's NPI number?

The NPI number for Tanya Sajan Ponnatt is 1407436074. It was assigned to this individual provider in the NPPES registry on April 8, 2021.

Where is Tanya Sajan Ponnatt located?

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

What is Tanya Sajan Ponnatt's specialty?

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

Is Tanya Sajan Ponnatt enrolled in Medicare?

Yes. Tanya Sajan Ponnatt is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Tanya Sajan Ponnatt's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tanya Sajan Ponnatt reassigns Medicare benefits to Virginia Mason Medical Center (Seattle, WA). The 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 Tanya Sajan Ponnatt's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Tanya Sajan Ponnatt accept?

Health plans from Premera Blue Cross Blue Shield of Alaska list Tanya Sajan Ponnatt 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 Tanya Sajan Ponnatt was last updated on August 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 58 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.