DR. ERIC SEEN HAN ONG M.D.
NPI 1376805085
Internal Medicine - Nephrology in Seattle, WA

Active since June 10, 2012PECOS EnrolledAccepts Medicare Assignment
904 7TH AVE, SEATTLE, WA 98104(206) 860-5575 Get Directions Write a Review

NPPES record last updated: April 29, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Apr 29, 2026, Sep 4, 2025, Apr 26, 2024 and 3 more (6 updates tracked since 2017).

About Dr. Eric Seen Han Ong M.d. NPPES

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

DR. ERIC SEEN HAN ONG M.D. (NPI 1376805085) is an individual nephrology provider in Seattle, Washington, licensed in Washington (MD61012370) and active in the NPI registry since June 2012. He is enrolled in Medicare PECOS, is affiliated with Swedish Edmonds Hospital, and is a graduate of Other (2012).

NPPES Registry Identity

NPI1376805085
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameDR. ERIC SEEN HAN ONGCredential: M.D.
Location Address904 7TH AVESeattle, WA 98104-1132
Mailing Address7600 Evergreen WayEverett, WA 98203-6421 · (206) 860-5414
Sole ProprietorNo
Medical School CMSOtherGraduated 2012
Enumeration DateJune 10, 2012
Last NPPES UpdateApril 29, 20266 updates tracked since enumeration
NPPES CertifiedApril 29, 2026
NPI 1376805085 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License Licensed in WA · MD61012370
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
904 7TH AVE, Seattle, WA 98104

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

Dr. Eric Seen Han Ong M.d. 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 ID5597089532
PECOS Enrollment IDI20200228001616
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 27

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.

Injection, darbepoetin alfa, 1 microgram (non-esrd use) J0881
Darbepoetin alfa injection is a medication used to treat anemia (low red blood cell count) often caused by chronic kidney disease or chemotherapy. It works by stimulating your body to produce more red blood cells, helping to increase your energy and well-being.
14,060 services16 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
608 services207 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
524 services213 patients
Creatinine level to test for kidney function or muscle injury 82570
A creatinine level test measures the amount of creatinine in your blood. This substance is a waste product from normal muscle use. Higher levels can indicate possible kidney dysfunction or muscle injury. This test helps monitor kidney health.
453 services187 patients
Urine microalbumin (protein) level 82043
The urine microalbumin level test measures the amount of a protein called albumin in your urine. This test helps to detect early signs of kidney damage. High levels of albumin may suggest your kidneys aren't functioning properly. It's a simple, non-invasive test that involves providing a urine sample.
374 services164 patients
Parathormone (parathyroid hormone) level 83970
The Parathormone level test measures the amount of parathyroid hormone in your blood. This hormone controls calcium and phosphorus levels in the body, which are vital for bone health. Abnormal levels may indicate issues like kidney disease or parathyroid gland disorders.
360 services169 patients

Hospital Affiliations CMS Care Compare 2

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

Swedish Edmonds Hospital

Acute Care Hospitals · Edmonds, WA
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number500026
Location21601 76th Avenue WestEdmonds, WA 98026 · Snohomish County
Emergency services Birthing friendly

Swedish Medical Center

Acute Care Hospitals · Seattle, WA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number500027
Location747 BroadwaySeattle, WA 98122 · King County
Emergency services Birthing friendly

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
$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.

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tacrolimus, immediate release, oral, 1 mg J7507
Treatment-Treatment - Miscellaneous · category RX029N
5 suppliers13 claims585 services$0.29 avg. paid by Medicare
Prednisone, immediate release or delayed release, oral, 1 mg J7512
Treatment-Treatment - Miscellaneous · category RX029N
3 suppliers22 claims2,400 services$0.01 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511
Treatment-Chemotherapy · category RH012N
8 suppliers31 claims31 services$18.89 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512
Treatment-Chemotherapy · category RH012N
8 suppliers38 claims38 services$12.59 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Dermatology
904 7TH AVE
SEATTLE, WA 98104
Internal Medicine
904 7TH AVE
SEATTLE, WA 98104
Physician Assistant (Surgical)
904 7TH AVE
SEATTLE, WA 98104
Internal Medicine
904 7TH AVE
SEATTLE, WA 98104
Otolaryngology
904 7TH AVE
SEATTLE, WA 98104
Physical Medicine & Rehabilitation (Pain Medicine)
904 7TH AVE
SEATTLE, WA 98104
Internal Medicine
904 7TH AVE
SEATTLE, WA 98104
Pediatrics
904 7TH 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 Eric Ong's NPI number?

The NPI number for Eric Ong is 1376805085. It was assigned to this individual provider in the NPPES registry on June 10, 2012.

Where is Eric Ong located?

Eric Ong practices at 904 7th Ave, Seattle, WA 98104. The listed phone number is (206) 860-5575.

What is Eric Ong's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Eric Ong enrolled in Medicare?

Yes. Eric 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 Eric Ong accept?

Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Eric 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 Eric Ong affiliated with any hospitals?

According to CMS data, Eric Ong is affiliated with Swedish Edmonds Hospital and Swedish Medical Center.

When was this NPI record last updated?

The NPPES record for Eric Ong was last updated on April 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.