THUAN ONG MD, MPH
NPI 1801872635
Internal Medicine - Geriatric Medicine in Seattle, WA

Active since December 22, 2005PECOS EnrolledAccepts Medicare Assignment
93.09/100
CMS Quality Rating
325 9TH AVE, SEATTLE, WA 98104(206) 744-4191(206) 744-8527 Get Directions Write a Review

NPPES record last updated: December 20, 2013. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Thuan Ong Md, Mph NPPES

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

THUAN ONG MD, MPH (NPI 1801872635) is an individual geriatric medicine provider in Seattle, Washington, licensed in Washington (MD60011516) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, is affiliated with Harborview Medical Center, and is a graduate of Saint Louis University School Of Medicine (2004).

NPPES Registry Identity

NPI1801872635
Entity TypeIndividualMale
Primary Taxonomy207RG0300X
Provider Legal NameTHUAN ONGCredential: MD, MPH
Location Address325 9TH AVESeattle, WA 98104-2420
Mailing AddressPo Box 50095Seattle, WA 98145-5095 · (206) 543-6420
Fax(206) 744-8527
Sole ProprietorNo
Medical School CMSSaint Louis University School Of MedicineGraduated 2004
Enumeration DateDecember 22, 2005
Last NPPES UpdateDecember 20, 2013
NPI 1801872635 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Geriatric MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RG0300X
License Licensed in WA · MD60011516
Definition

An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.

325 9TH AVE, Seattle, WA 98104

Other Identifiers 4

Medicare PIN8882962WA
Medicaid1801872635WA
Other0257090WA · L&i
Medicare PIN8886491WA

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Thuan Ong Md, Mph 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 ID6103925243
PECOS Enrollment IDI20090807000204
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.

Areas of Expertise CMS Part B claims 10

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Initial nursing facility visit per day, typically 45 minutes 99306
An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.
231 services216 patients
Follow-up nursing facility visit per day, typically 25 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
212 services142 patients
Follow-up hospital inpatient care per day, typically 25 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
113 services48 patients
Follow-up nursing facility visit per day, typically 35 minutes 99310
A follow-up nursing facility visit is a routine check-up that typically lasts about 35 minutes. During this visit, your health status is evaluated, any changes in your condition are noted, and necessary adjustments to your care plan are made. It's an essential part of maintaining your health.
79 services64 patients
Follow-up hospital inpatient care per day, typically 15 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
57 services27 patients
Follow-up nursing facility visit per day, typically 15 minutes 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
50 services46 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Harborview Medical Center

Acute Care Hospitals · Seattle, WA
1/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number500064
Location325 9th AvenueSeattle, WA 98104 · King County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98104 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
$189.37 typical visit price
range $63.67 – $189.37
Typical copayment $47.34 (range $15.91 – $47.34)
Most-billed visit code 99205
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

93.09/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality73.95
Promoting Interoperability100
Improvement Activities40

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.

Pharmacist
325 9TH AVE, BOX 359885
SEATTLE, WA 98104
Emergency Medicine
325 9TH AVE
SEATTLE, WA 98104
Pediatrics (Adolescent Medicine)
325 9TH AVE, BOX 359774
SEATTLE, WA 98104
Internal Medicine (Nephrology)
325 9TH AVE
SEATTLE, WA 98104
Pharmacist (Pharmacotherapy)
325 9TH AVE, HMC PHARMACY MAILSTOP 359912
SEATTLE, WA 98104
Obstetrics & Gynecology
325 9TH AVE
SEATTLE, WA 98104
Surgery (Vascular Surgery)
325 9TH AVE, DIVISION OF VASCULAR SURGERY
SEATTLE, WA 98104
Anesthesiology (Pain Medicine)
325 9TH AVE
SEATTLE, WA 98104

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 Thuan Ong's NPI number?

The NPI number for Thuan Ong is 1801872635. It was assigned to this individual provider in the NPPES registry on December 22, 2005.

Where is Thuan Ong located?

Thuan Ong practices at 325 9th Ave, Seattle, WA 98104. The listed phone number is (206) 744-4191.

What is Thuan Ong's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.

Is Thuan Ong enrolled in Medicare?

Yes. Thuan Ong 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.

What insurance does Thuan Ong accept?

Health plans from PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Thuan Ong 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.

Is Thuan Ong affiliated with any hospitals?

According to CMS data, Thuan Ong is affiliated with Harborview Medical Center.

When was this NPI record last updated?

The NPPES record for Thuan Ong was last updated on December 20, 2013. NPI Profile syncs with the weekly NPPES data releases published by CMS.