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DR. THERESA TSANG MD., PHD
NPI 1730180050
Obstetrics & Gynecology in Kirkland, WA

Active since August 09, 2005PECOS Enrolled
12303 NE 130TH LN, SUITE 230, KIRKLAND, WA 98034(425) 899-3888(425) 899-1166 Get Directions Write a Review

NPPES record last updated: October 20, 2011. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Theresa Tsang Md., Phd NPPES

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

DR. THERESA TSANG MD., PHD (NPI 1730180050) is an individual obstetrics & gynecology provider in Kirkland, Washington, licensed in Washington (MD00028324) and active in the NPI registry since August 2005. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1730180050
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. THERESA TSANGCredential: MD., PHD
Location Address12303 NE 130TH LN, SUITE 230Kirkland, WA 98034-3099
Mailing Address12303 Ne 130th Ln, Suite 230Kirkland, WA 98034-3099 · (425) 899-3888 · Fax (425) 899-1166
Phone(425) 899-3888
Fax(425) 899-1166
Sole ProprietorYes
Enumeration DateAugust 9, 2005
Last NPPES UpdateOctober 20, 2011
✔ NPI 1730180050 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in WA · MD00028324
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
12303 NE 130TH LN, Kirkland, WA 98034
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Other Names 1

Former Name (1)Dr. Siu-yin Theresa Tsang Md. , Phd

Other Identifiers 4

OtherTS1241WA · Regence Rider #
Medicaid1066927WA
Medicare ID-Type UnspecifiedAB35214WA
Medicare UPINFO5392WA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include PacificSource Health Plans.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Theresa Tsang Md., Phd 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98034 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
$78.74 typical visit price
range $21.12 – $155.00
Typical copayment $19.68 (range $5.28 – $38.75)
Most-billed visit code 99213
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.

MS. XUEMEI SU ARNP
Nurse Practitioner (Family)
12303 NE 130TH LN, STE400
KIRKLAND, WA 98034
King County (425) 899-4692
ROLIN ALAN PRUYN PA-C
Physician Assistant (Medical)
12303 NE 130TH LN, SUITE 550
KIRKLAND, WA 98034
King County (425) 899-6972
WAYNE L HILL MD
Specialist
12303 NE 130TH LN, SUITE 400
KIRKLAND, WA 98034
King County (425) 899-4000
DR. JOHN PAUL ISBELL M.D
Obstetrics & Gynecology
12303 NE 130TH LN, STE 400
KIRKLAND, WA 98034
King County (425) 899-4692
MS. CAROL ANN VERGA CNM, ARNP
Nurse Practitioner (Obstetrics & Gynecology)
12303 NE 130TH LN, SUITE 500
KIRKLAND, WA 98034
King County (425) 899-4455
LYNN DAVIDSON R.N.
Counselor
12303 NE 130TH LN, STE 420
KIRKLAND, WA 98034
King County (425) 899-6400
CHARLES H HEFFRON JR. M.D.
Obstetrics & Gynecology (Gynecology)
12303 NE 130TH LN, SUITE 420
KIRKLAND, WA 98034
King County (425) 899-6400
DR. SCOTT JACOB OSTRIKER PHARM.D.
Pharmacist (Pharmacotherapy)
12303 NE 130TH LN, SUITE120
KIRKLAND, WA 98034
King County (425) 899-3191

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 Theresa Tsang's NPI number?

The NPI number for Theresa Tsang is 1730180050. It was assigned to this individual provider in the NPPES registry on August 9, 2005. The provider is also known as Dr. Siu-Yin Theresa Tsang MD. , Phd.

Where is Theresa Tsang located?

Theresa Tsang practices at 12303 NE 130th Ln Suite 230, Kirkland, WA 98034. The listed phone number is (425) 899-3888.

What is Theresa Tsang's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Theresa Tsang enrolled in Medicare?

Yes. Theresa Tsang is registered in the Medicare PECOS enrollment system.

What insurance does Theresa Tsang accept?

Health plans from PacificSource Health Plans list Theresa Tsang 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 Theresa Tsang was last updated on October 20, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years 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.