TIEN THACH (MD) – Anesthesiology Physician, NPI 1013099530

TIEN THACH (MD) is a healthcare provider. based in Bellevue, Washington. specializing in ANESTHESIOLOGY. They hold the professional credentials MD. They hold a License No. 18826 (IL). The NPI Number for TIEN THACH (MD) is 1013099530

Main info

Female
20 Years Of Experience
Accepts Medicare Assignment
Name
TIEN THACH (MD)
NPI
1013099530
Phone
(206) 240-1879
Address
1035 116th Ave NE
Enumeration Date
20 October 2006
Last Update Date
13 April 2020

Doctor Profile

Medical School Name
UNIVERSITY OF WASHINGTON SCHOOL OF MEDICINE
Secondary Phone
3192727050
Graduation Year
2006 (20 years ago)
PAC ID
3173719846
Group Practice PAC ID
0244148732
Professional Enrollment ID
I20190919002366
Address ID
IA507025401WA3421XSTXX400
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience89
Completeness75
Years active:19State licenses:4Digital endpointsOther names

1,514 ANESTHESIOLOGY in WA

Provider Addresses for TIEN THACH (MD)

  • 1035 116th Ave NE

    Bellevue, WA 980044604

    Phone: (206) 240-1879

    Type: Location

  • 1400 E Boulder St Ste 2508

    Colorado Springs, CO 80909

    Phone: (719) 365-6999

    Fax: (719) 365-2837

    Type: Location

  • Virginia Mason Hospital & Seattle Medical Center, 1100, 9th Avenue, Central Business District, First Hill, Seattle, King County, Washington, 98101, United States

    M4-PFS

    SEATTLE, WA 981012756

    Phone: (206) 223-6600

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2019-09-19

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking 2 Medicare enrollment records; no due dates published yet.

Enrollment records

2

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20101119000545IAnesthesiologyWATBD
I20190919002366IAnesthesiologyIATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
36620Insertion of artery tube for blood sampling or infusion through skin2626$0
00410Anesthesia for procedure to correct abnormal heart rhythm1413$0
00350Anesthesia for other procedure on large blood vessel of neck1313$0
00731Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope1111$0
View full utilization report →

Insurance plans in this area (ZIP 98004)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 0244148732View full group profile
NameSpecialtyState
-IA
Gastroenterology, Internal MedicineIA
Nurse PractitionerIA
-IA
Nurse PractitionerIA
Physician AssistantIA
-IN
Orthopedic SurgeryIA
Family PracticeIA
Family PracticeIA

Reviews

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Frequently asked questions

Is there an official ID for TIEN THACH (MD) in U.S. healthcare records?
The official identifier for TIEN THACH (MD) is NPI 1013099530.
Is TIEN THACH (MD) still an active registrant?
TIEN THACH (MD) carries an active NPI according to the public dataset.
How would a patient describe TIEN THACH (MD)'s focus?
For TIEN THACH (MD), the primary taxonomy reads as Anesthesiology Physician. Clinical services aligned with this taxonomy classification.
Is TIEN THACH (MD) associated with Bellevue?
Public fields place TIEN THACH (MD) around Bellevue, Washington. Always confirm the exact site before visiting.
Can I trust this NPI listing for TIEN THACH (MD)?
The listing is sourced from the national NPI registry. If something looks off, compare with NPPES and the clinic's website.

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