Active NPI 1114909090 Individual Practitioner Male Practitioner

Dr. Johnson E-Zye Loh , MD

Internal Medicine • Kirkland, WA

✓ Accepts Medicare Assignment

Public Directory Information & Medical Disclaimer

This profile is compiled from official public domain records provided by CMS and the NPPES registry. TRUE-MEDINFO is an independent reference directory and does not provide medical advice, diagnosis, or treatment recommendations. Always consult a licensed medical professional for personal health decisions.

Professional Overview & Biography Verified Profile Summary

Dr. Johnson Loh, MD is a registered Internal Medicine practitioner in Kirkland, WA. With approximately 33 years of clinical practice since graduating from Yale University School Of Medicine in 1993, Dr. Loh provides healthcare services at the registered practice location at 12040 NE 128TH ST.

Dr. Loh is affiliated with King County Public Hospital District No 2 and accepts Medicare assignment.

Frequently performed procedures and clinical services include initial hospital care with moderate level of medical decision making, if using time, at least, prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service);, critical care, first. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

12040 Ne 128th St
Ms #105

Kirkland, WA 980343013

Telephone 4258992560

Fax 4258992079

Associated Practice Facility / Clinic

🏢 King County Public Hospital District No. 2 Facility NPI 1033174933

Medicare Profile & Education

Medical School

Yale University School Of Medicine

Graduation Year

1993

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Kirkland, WA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

33 Yrs +11.6 yrs vs City Avg

City Avg: 21.4 Yrs

State Avg: 23.4 Yrs

Regional Practice Density

72 Specialists

Practicing in Kirkland, WA (3169 Statewide)

Telehealth Adoption Rate

33.3% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

62.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Loh (33 Years) 33 Yrs

Kirkland Specialty Average (21.4 Years) 21.4 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
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	76	76	$515.00	$180.15
G0316 Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by th	64	28	$76.00	$31.94
99291 Critical care, first 30-74 minutes	30	28	$566.00	$220.97
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	25	25	$351.00	$131.97

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	115	113	$490.00	$184.61
G0316 Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by th	36	15	$72.00	$32.48
99291 Critical care, first 30-74 minutes	31	29	$539.00	$224.63
99292 Critical care, each additional 30 minutes	25	16	$272.20	$112.79
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	13	13	$334.00	$138.36

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	96	96	$490.53	$205.81
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	32	24	$253.75	$108.62
99291 Critical care, first 30-74 minutes	21	20	$539.00	$229.49
99220 Hospital observation care, typically 70 minutes	13	13	$448.00	$189.17

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	216	86	$175.00	$75.03
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	212	101	$252.00	$109.23
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	100	99	$490.12	$211.17
99239 Hospital discharge day management, more than 30 minutes	47	47	$259.00	$115.27
99291 Critical care, first 30-74 minutes	30	16	$539.00	$234.09
99220 Hospital observation care, typically 70 minutes	17	17	$448.00	$194.69
99238 Hospital discharge day management, 30 minutes or less	13	13	$177.00	$78.26

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	303	103	$174.00	$78.31
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	253	106	$252.00	$112.01
99239 Hospital discharge day management, more than 30 minutes	60	59	$259.00	$112.05
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	58	58	$490.00	$220.02
99291 Critical care, first 30-74 minutes	39	22	$542.00	$240.25

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	294	124	$252.00	$107.70
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	190	92	$174.00	$77.48
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	74	73	$490.00	$211.36
99239 Hospital discharge day management, more than 30 minutes	65	65	$259.00	$111.95
99291 Critical care, first 30-74 minutes	50	23	$542.00	$236.76
99220 Hospital observation care, typically 70 minutes	13	13	$448.00	$198.56

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	265	109	$252.00	$109.14
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	155	85	$174.00	$75.85
99239 Hospital discharge day management, more than 30 minutes	64	63	$259.00	$111.89
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	51	51	$490.00	$214.58
99291 Critical care, first 30-74 minutes	27	16	$542.00	$233.89

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	356	135	$252.00	$107.74
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	137	71	$174.00	$74.29
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	119	115	$490.00	$207.85
99239 Hospital discharge day management, more than 30 minutes	65	64	$259.00	$113.33
99291 Critical care, first 30-74 minutes	46	30	$542.00	$204.77
99238 Hospital discharge day management, 30 minutes or less	18	18	$175.00	$73.42
99220 Hospital observation care, typically 70 minutes	12	11	$448.00	$193.97

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License WA MD00033942

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

8204638 (WA)

Commercial Insurance / Payer ID Blue Shield

3582LO (WA)

Commercial Insurance / Payer ID Medicare Railroad

P00252373 (WA)

Commercial Insurance / Payer ID Labor & Industries

201038 (WA)

Hospital & Practice Group Affiliations

King County Public Hospital District No 2

12040 Ne 128th St Ms, Kirkland, WA 980343013

King County Public Hospital District No 2

12040 Ne 128th St, Kirkland, WA 980343013

King County Public Hospital District No 2

12039 Ne 128th St, Kirkland, WA 980343029

King County Public Hospital District No 2

12033 Ne 130th Ln, Kirkland, WA 980343052

Phone: 4258992160

King County Public Hospital District No 2

12040 Ne 128th St, Kirkland, WA 980343013

Practice Associates & Co-Workers

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

40 Associated Practitioners

Dr. Joshua Pelley , MD

Internal Medicine

NPI 1083848279

Doctor of Medicine (M.D.)

Dr. Ettore Palazzo , MD

Internal Medicine

NPI 1093797581

Doctor of Medicine (M.D.)

Dr. Brenda Flake , MD

Obstetrics & Gynecology

NPI 1154412617

Doctor of Medicine (M.D.)

Dr. Charles Ma , MD

Hospitalist

NPI 1205377579

Doctor of Medicine (M.D.)

Dr. Tony Yen , MD

Internal Medicine

NPI 1225012735

Doctor of Medicine (M.D.)

Dr. Suman Tewari , MD

Obstetrics & Gynecology

NPI 1225027428

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active June 18, 2009

NPI status registered as active in NPPES database

📍

Updated Practice Location June 18, 2009

Registered at 12040 NE 128TH ST, MS #105, KIRKLAND, WA 980343013 (Tel: 4258992560)

📍

Updated Business Mailing Address June 18, 2009

Registered at PO BOX 34036, SEATTLE, WA 981241036 (Tel: 4258993292)

👤

Provider Name / Credentials Updated June 18, 2009

Recorded as JOHNSON LOH, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) June 18, 2009

Internal Medicine (License #MD00033942 in WA)

🟢

Initial NPI Registration & Enumeration November 16, 2005

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: 1114909090

Entity Type:

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

Enumeration Date: November 16, 2005

Last Update: June 18, 2009

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 34036

Seattle, WA 981241036

Phone: 4258993292

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.