Active NPI 1376805085 Individual Practitioner Male Practitioner

Dr. Eric Seen Han Ong , MD

Internal Medicine - Nephrology • Seattle, WA

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Eric Ong, MD is a certified Internal Medicine - Nephrology practicing in Seattle, WA. With approximately 14 years of clinical experience since completing medical education in 2012, Dr. Ong delivers high-quality medical care to the local community at 904 7TH AVE.

Dr. Ong maintains professional affiliations with Optum Care Washington Pllc, The Polyclinic Pllc and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include injection, darbepoetin alfa, 1 microgram (non-esrd use), insertion of needle into vein for collection of blood sample, established patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

904 7th Ave

Seattle, WA 981041132

Telephone 2068605575

Associated Practice Facility / Clinic

🏢 Kelley-Ross & Assoc Inc Facility NPI 1669517025

Medicare Profile & Education

Medical School

Other

Graduation Year

2012

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine - Nephrology in Seattle, WA

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

14 Yrs -6.8 yrs vs City Avg

City Avg: 20.8 Yrs

State Avg: 25.5 Yrs

Regional Practice Density

110 Specialists

Practicing in Seattle, WA (294 Statewide)

Telehealth Adoption Rate

43.6% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

63.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Ong (14 Years) 14 Yrs

Seattle Specialty Average (20.8 Years) 20.8 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J0881 Injection, darbepoetin alfa, 1 microgram (non-esrd use)	14,060	16	$8.50	$2.94
36415 Insertion of needle into vein for collection of blood sample	608	207	$16.83	$8.54
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	524	213	$350.22	$139.35
82570 Creatinine level to test for kidney function or muscle injury	453	187	$15.78	$5.02
82043 Urine microalbumin (protein) level	374	164	$16.76	$5.58
83970 Parathormone (parathyroid hormone) level	360	169	$114.94	$40.06
80069 Kidney function blood test panel	301	117	$24.69	$8.49
85027 Complete blood cell count (red cells, white blood cell, platelets), automated test	281	125	$20.88	$6.34
80048 Blood test, basic group of blood chemicals (calcium, total)	252	113	$26.79	$8.10
81001 Manual urinalysis test with examination using microscope, automated	208	102	$14.89	$3.05
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	190	33	$830.00	$311.61
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	180	82	$22.48	$7.37
83540 Iron level	142	64	$18.71	$6.34
82728 Ferritin (blood protein) level	133	58	$37.94	$13.36
83550 Iron binding capacity	133	58	$25.00	$8.57
84156 Total protein level, urine	128	54	$14.79	$3.58
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	123	22	$73.00	$15.89
83735 Magnesium level	110	33	$18.93	$6.36
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	83	70	$506.33	$190.25
85018 Blood count, hemoglobin	63	11	$13.87	$2.32
85014 Red blood cell concentration measurement	63	11	$10.91	$2.32
80053 Blood test, comprehensive group of blood chemicals	57	18	$33.79	$10.35
82306 Vitamin d-3 level	37	26	$82.09	$29.01
96365 Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less	34	25	$195.00	$73.39
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	31	13	$205.00	$82.19
83036 Hemoglobin A1C level	23	13	$26.00	$9.52
84550 Uric acid level, blood	20	12	$13.81	$4.29

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J0881 Injection, darbepoetin alfa, 1 microgram (non-esrd use)	15,620	20	$8.50	$2.97
36415 Insertion of needle into vein for collection of blood sample	634	196	$15.00	$8.30
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	624	219	$313.00	$138.85
82570 Creatinine level to test for kidney function or muscle injury	397	167	$16.00	$4.96
80069 Kidney function blood test panel	370	142	$25.00	$8.42
83970 Parathormone (parathyroid hormone) level	361	158	$116.00	$39.90
82043 Urine microalbumin (protein) level	337	149	$17.00	$5.50
80048 Blood test, basic group of blood chemicals (calcium, total)	223	114	$27.00	$8.08
85027 Complete blood cell count (red cells, white blood cell, platelets), automated test	215	99	$21.00	$6.29
81001 Manual urinalysis test with examination using microscope, automated	202	107	$15.00	$3.00
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	191	40	$830.00	$313.18
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	151	89	$23.00	$7.31
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	132	25	$73.00	$15.82
82728 Ferritin (blood protein) level	100	54	$38.00	$13.25
83540 Iron level	100	52	$19.00	$6.29
83550 Iron binding capacity	98	52	$25.00	$8.50
85014 Red blood cell concentration measurement	89	26	$11.00	$2.32
84156 Total protein level, urine	88	45	$15.00	$3.60
85018 Blood count, hemoglobin	86	23	$14.00	$2.32
83735 Magnesium level	86	31	$19.00	$6.24
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	46	20	$194.00	$79.27
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	45	42	$419.00	$195.90
82306 Vitamin d-3 level	41	28	$83.00	$29.01
84100 Phosphate level	38	17	$14.00	$4.37
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	27	27	$482.00	$176.10
80053 Blood test, comprehensive group of blood chemicals	25	15	$34.00	$10.35
96365 Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less	22	21	$195.00	$75.18
84550 Uric acid level, blood	22	13	$14.00	$4.43

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J0881 Injection, darbepoetin alfa, 1 microgram (non-esrd use)	9,580	17	$8.50	$3.19
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	565	182	$313.00	$140.70
36415 Insertion of needle into vein for collection of blood sample	511	164	$15.00	$2.96
82570 Creatinine level to test for kidney function or muscle injury	335	146	$16.00	$5.10
83970 Parathormone (parathyroid hormone) level	311	134	$116.00	$40.64
82043 Urine microalbumin (protein) level	300	138	$17.00	$5.68
80048 Blood test, basic group of blood chemicals (calcium, total)	264	117	$27.00	$8.37
80069 Kidney function blood test panel	207	93	$25.00	$8.50
81001 Manual urinalysis test with examination using microscope, automated	200	101	$15.00	$3.13
85027 Complete blood cell count (red cells, white blood cell, platelets), automated test	174	88	$21.00	$6.34
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	151	78	$23.00	$7.68
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	101	17	$830.00	$319.64
84100 Phosphate level	90	32	$14.00	$4.69
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	85	19	$73.00	$16.11
83540 Iron level	63	28	$19.00	$6.38
83550 Iron binding capacity	63	28	$25.00	$8.63
84156 Total protein level, urine	61	25	$15.00	$3.62
82728 Ferritin (blood protein) level	61	26	$38.00	$13.45
83735 Magnesium level	55	24	$19.00	$6.61
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	38	38	$482.00	$183.32
82306 Vitamin d-3 level	38	28	$83.00	$29.23
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	29	27	$419.00	$199.07
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	28	16	$194.00	$73.36
84550 Uric acid level, blood	21	11	$14.00	$4.46
82310 Calcium level, total	12	11	$15.00	$5.11

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	326	132	$15.00	$2.99
80048 Blood test, basic group of blood chemicals (calcium, total)	264	111	$27.00	$8.46
99213 Established patient office or other outpatient visit, typically 15 minutes	238	142	$211.89	$102.72
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	172	97	$194.00	$77.45
82570 Creatinine level to test for kidney function or muscle injury	159	94	$16.00	$5.15
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	157	101	$312.99	$145.44
83970 Parathormone (parathyroid hormone) level	147	95	$116.00	$41.06
82043 Urine microalbumin (protein) level	130	80	$17.00	$5.74
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	118	76	$23.00	$7.77
81001 Manual urinalysis test with examination using microscope, automated	101	73	$15.00	$3.14
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	100	13	$830.00	$326.26
84100 Phosphate level	65	37	$14.00	$4.74
84156 Total protein level, urine	43	29	$15.00	$3.67
82306 Vitamin d-3 level	41	30	$83.00	$29.60
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	41	41	$481.66	$183.02
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	39	39	$314.00	$125.91
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	29	29	$342.00	$146.40
85027 Complete blood cell count (red cells, white blood cell, platelets), automated test	29	14	$21.00	$6.29
83540 Iron level	25	14	$19.00	$6.47
83550 Iron binding capacity	25	14	$25.00	$8.74
84550 Uric acid level, blood	24	14	$14.00	$4.52
80069 Kidney function blood test panel	23	15	$25.00	$8.68
99442 Telephone medical discussion with physician, 11-20 minutes	23	16	$203.00	$102.66
86160 Measurement of complement (immune system proteins), antigen,	22	11	$34.00	$12.00
82728 Ferritin (blood protein) level	22	14	$38.00	$13.63
99221 Initial hospital inpatient care per day, typically 30 minutes	15	15	$253.00	$108.39
82550 Creatine kinase (cardiac enzyme) level, total	13	12	$18.00	$6.51
82310 Calcium level, total	12	11	$15.00	$4.82

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	325	113	$192.00	$79.01
36415 Insertion of needle into vein for collection of blood sample	127	74	$15.00	$3.00
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	110	74	$311.40	$121.66
80048 Blood test, basic group of blood chemicals (calcium, total)	93	54	$27.00	$8.45
82570 Creatinine level to test for kidney function or muscle injury	81	60	$16.00	$5.17
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	67	67	$477.15	$182.77
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	66	50	$23.00	$7.76
82043 Urine microalbumin (protein) level	65	47	$17.00	$5.77
99213 Established patient office or other outpatient visit, typically 15 minutes	60	46	$208.33	$83.97
83970 Parathormone (parathyroid hormone) level	57	50	$116.00	$41.19
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	52	49	$339.00	$150.66
81001 Manual urinalysis test with examination using microscope, automated	44	34	$15.00	$3.17
84156 Total protein level, urine	41	38	$15.00	$3.67
84100 Phosphate level	24	19	$14.00	$4.73
82306 Vitamin d-3 level	23	21	$83.00	$29.57
99442 Telephone medical discussion with physician, 11-20 minutes	21	19	$201.52	$84.44
84550 Uric acid level, blood	16	12	$14.00	$4.51
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	15	15	$417.73	$160.51
80053 Blood test, comprehensive group of blood chemicals	12	11	$34.00	$10.54
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	11	11	$504.00	$221.49

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	332	94	$167.00	$100.10
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	85	49	$171.00	$75.97
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	84	20	$492.00	$274.27
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	75	47	$171.00	$76.29
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	46	40	$321.00	$194.31
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	44	18	$439.00	$231.22
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	39	31	$229.00	$107.12
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	32	32	$324.00	$160.46
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	26	26	$324.00	$162.03
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	25	21	$229.00	$104.48
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	15	14	$218.00	$130.84

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	284	99	$167.00	$96.03
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	106	23	$492.00	$261.49
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	66	60	$321.00	$186.54
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	46	46	$324.00	$156.20
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	42	34	$171.00	$72.30
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	39	39	$324.00	$154.69
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	36	31	$171.00	$74.48
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	23	22	$229.00	$99.41
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	17	14	$439.00	$219.66
99213 Established patient office or other outpatient visit, typically 15 minutes	15	13	$117.00	$47.15
99213 Established patient office or other outpatient visit, typically 15 minutes	13	12	$117.00	$47.15

Medical Specialties & State Licenses

CMS Verified: 2026-04-29

Internal Medicine - Nephrology Primary Specialty

NUCC Taxonomy Code: 207RN0300X

State License WA MD61012370

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.

Hospital & Practice Group Affiliations

Optum Care Washington Pllc

21401 72nd Ave W, Edmonds, WA 980267702

Phone: 4253041101

The Polyclinic Pllc

9709 3rd Ave Ne, Seattle, WA 981152077

Phone: 2064013191

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

3 Associated Practitioners

Dr. Anne Pesenson , MD

Internal Medicine - Nephrology

NPI 1083765515

Doctor of Medicine (M.D.)

Dr. Sushil Deshmukh , DO

Internal Medicine - Nephrology

NPI 1215308200

Doctor of Osteopathic Medicine (D.O.)

Dr. Anthony Dash , MD

Internal Medicine - Nephrology

NPI 1841285475

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

23 Historical Events

📍

Updated Practice Location April 29, 2026

Registered at 904 7TH AVE, SEATTLE, WA 981041132 (Tel: 2068605575)

📍

Updated Business Mailing Address April 29, 2026

Registered at 7600 EVERGREEN WAY, EVERETT, WA 982036421 (Tel: 2068605414)

📍

Updated Practice Location September 04, 2025

Registered at 21401 72ND AVE W, EDMONDS, WA 980267702 (Tel: 4252590966)

📍

Updated Business Mailing Address September 04, 2025

Registered at PO BOX 5127, EVERETT, WA 982065127 (Tel: 2068605414)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) September 04, 2025

Internal Medicine (License #MD61012370 in WA)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 26, 2024

Internal Medicine (License #292432-1 in NY)

📍

Updated Practice Location February 17, 2020

Registered at 9709 3RD AVE NE, SEATTLE, WA 981152062 (Tel: 2068605575)

📍

Updated Business Mailing Address February 17, 2020

Registered at 9709 3RD AVE NE, SEATTLE, WA 981152062 (Tel: 2068605575)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) February 17, 2020

Internal Medicine (License #MD61012370 in WA)

📍

Updated Practice Location March 12, 2018

Registered at 1 ATWELL RD, COOPERSTOWN, NY 133261301 (Tel: 6075473282)

📍

Updated Business Mailing Address March 12, 2018

Registered at 1 ATWELL RD, COOPERSTOWN, NY 133261301 (Tel: 6075473282)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) March 12, 2018

Internal Medicine (License #292432-1 in NY)

✅

NPI Profile Active December 08, 2017

NPI status registered as active in NPPES database

📍

Updated Practice Location December 08, 2017

Registered at 120 LYTTON AVENUE, SUITE 300, PITTSBURGH, PA 15213 (Tel: 4128023043)

📍

Updated Business Mailing Address December 08, 2017

Registered at 120 LYTTON AVENUE, SUITE 300, PITTSBURGH, PA 15213 (Tel: 4128023043)

👤

Provider Name / Credentials Updated December 08, 2017

Recorded as ERIC ONG, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) December 08, 2017

Internal Medicine (License #207930 in PA)

✅

NPI Profile Active August 21, 2015

NPI status registered as active in NPPES database

📍

Updated Practice Location August 21, 2015

Registered at 120 LYTTON AVENUE, SUITE 300, PITTSBURGH, PA 15213 (Tel: 4128023043)

📍

Updated Business Mailing Address August 21, 2015

Registered at 120 LYTTON AVENUE, SUITE 300, PITTSBURGH, PA 15213 (Tel: 4128023043)

👤

Provider Name / Credentials Updated August 21, 2015

Recorded as ERIC ONG, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) August 21, 2015

Internal Medicine (License #207930 in PA)

🟢

Initial NPI Registration & Enumeration June 10, 2012

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1376805085

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: June 10, 2012

Last Update: April 29, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

7600 Evergreen Way

Everett, WA 982036421

Phone: 2068605414

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.