Active NPI 1598731820 Individual Practitioner Male Practitioner

Dr. John Hosei Yim , MD

Surgery • Duarte, CA

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. John Yim, MD is a certified Surgery practicing in Duarte, CA. With approximately 34 years of clinical experience since graduating from Stanford University School Of Medicine in 1992, Dr. Yim delivers high-quality medical care to the local community at 1500 E DUARTE RD.

Dr. Yim is affiliated with City Of Hope Medical Foundation and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include established patient outpatient office visit, visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's, telephone medical discussion with physician. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1500 E Duarte Rd

Duarte, CA 910103012

Telephone 6264717269

Associated Practice Facility / Clinic

🏢 City Of Hope Medical Foundation Facility NPI 1417968413

Medicare Profile & Education

Medical School

Stanford University School Of Medicine

Graduation Year

1992

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Duarte, CA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

34 Yrs +15.3 yrs vs City Avg

City Avg: 18.7 Yrs

State Avg: 27.4 Yrs

Regional Practice Density

19 Specialists

Practicing in Duarte, CA (3346 Statewide)

Telehealth Adoption Rate

52.6% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

69.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Yim (34 Years) 34 Yrs

Duarte Specialty Average (18.7 Years) 18.7 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
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	540	347	$256.00	$103.58
G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's	381	270	$60.13	$17.64
99213 Established patient office or other outpatient visit, typically 15 minutes	81	74	$167.00	$69.96
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	70	52	$380.00	$152.30
99441 Telephone medical discussion with physician, 5-10 minutes	54	48	$122.00	$55.16
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	40	35	$256.00	$132.61
G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's	39	34	$60.13	$17.72
76998 Ultrasonic guidance during surgery	35	34	$239.00	$48.02
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	$557.00	$193.42
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	30	30	$451.00	$142.46
99442 Telephone medical discussion with physician, 11-20 minutes	27	27	$167.00	$97.77
36590 Removal of peripheral venous catheter for infusion	23	23	$858.26	$201.01
99213 Established patient office or other outpatient visit, typically 15 minutes	21	20	$167.00	$90.93
60500 Removal or exploration of parathyroid glands	16	16	$3831.66	$937.16
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	15	13	$380.00	$187.68

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	405	271	$256.00	$102.28
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	114	88	$380.00	$151.13
99213 Established patient office or other outpatient visit, typically 15 minutes	67	64	$167.00	$69.55
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	42	42	$557.00	$187.95
99441 Telephone medical discussion with physician, 5-10 minutes	41	39	$122.00	$36.85
76998 Ultrasonic guidance during surgery	40	38	$239.00	$62.89
99442 Telephone medical discussion with physician, 11-20 minutes	30	28	$167.00	$69.49
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	29	25	$256.00	$102.74
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	22	22	$451.00	$140.09
60500 Removal or exploration of parathyroid glands	17	17	$3377.61	$933.68
36590 Removal of peripheral venous catheter for infusion	13	13	$840.00	$199.41

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	281	194	$256.00	$104.90
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	93	66	$380.00	$156.23
99441 Telephone medical discussion with physician, 5-10 minutes	53	48	$122.00	$38.18
99442 Telephone medical discussion with physician, 11-20 minutes	52	47	$167.00	$71.21
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	34	34	$557.00	$196.04
99213 Established patient office or other outpatient visit, typically 15 minutes	29	26	$167.00	$71.37
76998 Ultrasonic guidance during surgery	29	28	$239.00	$64.77
99443 Telephone medical discussion with physician, 21-30 minutes	16	13	$256.00	$105.35
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	14	13	$107.00	$19.60
76937 Ultrasonic guidance for blood vessel access	13	13	$43.01	$14.57

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	269	195	$256.00	$108.34
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	140	93	$380.00	$159.58
99441 Telephone medical discussion with physician, 5-10 minutes	41	35	$122.00	$39.10
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	40	40	$557.00	$200.82
76998 Ultrasonic guidance during surgery	35	33	$239.00	$64.85
99442 Telephone medical discussion with physician, 11-20 minutes	35	32	$167.00	$73.49
99213 Established patient office or other outpatient visit, typically 15 minutes	32	31	$167.00	$73.23
G2212 Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or	24	18	$96.69	$34.97
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	24	24	$107.00	$20.02
76937 Ultrasonic guidance for blood vessel access	24	24	$43.01	$14.89
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	16	16	$1079.21	$364.12
99443 Telephone medical discussion with physician, 21-30 minutes	16	13	$256.00	$108.46

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	336	248	$256.00	$86.42
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	108	75	$380.00	$122.26
99213 Established patient office or other outpatient visit, typically 15 minutes	48	48	$167.00	$56.06
76998 Ultrasonic guidance during surgery	44	43	$239.00	$67.65
76937 Ultrasonic guidance for blood vessel access	39	37	$43.01	$15.76
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	38	36	$107.00	$20.34
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	34	33	$1001.13	$340.44
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	34	34	$557.00	$184.85
99442 Telephone medical discussion with physician, 11-20 minutes	23	20	$167.00	$56.39
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	18	18	$451.00	$141.73
99443 Telephone medical discussion with physician, 21-30 minutes	15	14	$242.93	$85.06
38525 Biopsy or removal of lymph nodes of under the arm, open procedure	13	13	$1274.00	$280.88

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	353	238	$256.00	$85.00
99213 Established patient office or other outpatient visit, typically 15 minutes	116	102	$167.00	$54.96
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	109	79	$380.00	$120.05
76998 Ultrasonic guidance during surgery	45	43	$239.00	$67.19
76937 Ultrasonic guidance for blood vessel access	42	42	$43.01	$15.25
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	42	42	$107.00	$19.66
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	$557.00	$181.61
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	27	27	$1079.21	$348.73
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	18	18	$451.00	$134.15
38792 Injection of radioactive material for x-ray identification of lymph node	16	16	$635.00	$18.10
36590 Removal of peripheral venous catheter for infusion	14	14	$840.00	$208.74
38900 Lymph node imaging during surgery	14	14	$400.51	$147.41
38525 Biopsy or removal of lymph nodes of under the arm, open procedure	14	14	$1274.00	$256.37
19301 Partial removal of breast	13	13	$1967.02	$483.07

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	242	181	$256.00	$83.37
99213 Established patient office or other outpatient visit, typically 15 minutes	88	81	$167.00	$54.42
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	81	59	$380.00	$118.61
76937 Ultrasonic guidance for blood vessel access	45	44	$43.01	$15.36
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	44	43	$107.00	$19.82
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	43	42	$1079.21	$348.86
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	33	33	$557.00	$179.62
76998 Ultrasonic guidance during surgery	29	28	$239.00	$66.13
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	16	16	$451.00	$137.55
36590 Removal of peripheral venous catheter for infusion	13	13	$852.92	$194.84
38900 Lymph node imaging during surgery	11	11	$436.92	$151.24

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	322	220	$256.00	$83.81
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	55	40	$380.00	$117.54
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	44	44	$561.02	$179.90
76998 Ultrasonic guidance during surgery	37	35	$239.00	$66.70
99213 Established patient office or other outpatient visit, typically 15 minutes	37	34	$167.00	$54.39
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	21	21	$107.00	$20.27
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	19	19	$1079.21	$359.11
76937 Ultrasonic guidance for blood vessel access	15	15	$43.01	$15.37
38900 Lymph node imaging during surgery	15	15	$400.51	$146.97
38525 Biopsy or removal of lymph nodes of under the arm, open procedure	12	12	$1274.00	$256.36
36590 Removal of peripheral venous catheter for infusion	11	11	$840.00	$198.22

Medical Specialties & State Licenses

CMS Verified: 2020-11-25

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License CA G88325

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Surgery - Surgical Oncology

NUCC Taxonomy Code: 2086X0206X

State License CA G88325

A surgical oncologist is a well-qualified surgeon who has obtained additional training and experience in the multidisciplinary approach to the prevention, diagnosis, treatment, and rehabilitation of cancer patients, and devotes a major portion of his or her professional practice to these activities and cancer research.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

001813295 (PA)

Hospital & Practice Group Affiliations

City Of Hope Medical Foundation

1000 Fivepoint, Irvine, CA 926182377

Phone: 9496714673

Practice Associates & Co-Workers

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

40 Associated Practitioners

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Internal Medicine - Medical Oncology

NPI 1003827486

Doctor of Medicine (M.D.)

Dr. Young Kim , MD

Pathology - Hematology

NPI 1003863069

Doctor of Medicine (M.D.)

Dr. Anna Pawlowska , MD

Pediatrics - Pediatric Hematology-Oncology

NPI 1023125804

Doctor of Medicine (M.D.)

Dr. Andrea Thornton , PhD

Psychologist

NPI 1033295613

Doctor of Philosophy (Ph.D.)

Dr. Finly Zachariah , MD

Family Medicine - Hospice and Palliative Medicine

NPI 1033368642

Doctor of Medicine (M.D.)

Dr. Dheeraj Lal , MD

Internal Medicine - Addiction Medicine

NPI 1053414607

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

14 Historical Events

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) November 25, 2020

Surgery (License #G88325 in CA)

📍

Updated Business Mailing Address March 08, 2018

Registered at PO BOX 512185, LOS ANGELES, CA 900510185 (Tel: 6267753514)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) March 08, 2018

Surgery (License #G88325 in CA)

✅

NPI Profile Active June 30, 2017

NPI status registered as active in NPPES database

📍

Updated Business Mailing Address June 30, 2017

Registered at 1333 S MAYFLOWER AVE, STE 200, MONROVIA, CA 910165266 (Tel: 6267753514)

📍

Updated Practice Location June 30, 2017

Registered at 1500 E DUARTE RD, DUARTE, CA 910103012 (Tel: 6264717269)

👤

Provider Name / Credentials Updated June 30, 2017

Recorded as JOHN YIM, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) June 30, 2017

Surgery (License #G88325 in CA)

✅

NPI Profile Active August 26, 2015

NPI status registered as active in NPPES database

📍

Updated Practice Location August 26, 2015

Registered at 1500 E DUARTE RD, DUARTE, CA 910103012 (Tel: 6264717269)

📍

Updated Business Mailing Address August 26, 2015

Registered at 1333 S MAYFLOWER AVE, 2ND FLOOR, MONROVIA, CA 910165266 (Tel: 6267753514)

👤

Provider Name / Credentials Updated August 26, 2015

Recorded as JOHN YIM, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) August 26, 2015

Specialist (License #MD071431L in PA)

🟢

Initial NPI Registration & Enumeration February 27, 2006

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: 1598731820

Entity Type:

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

Enumeration Date: February 27, 2006

Last Update: November 25, 2020

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 512185

Los Angeles, CA 900510185

Phone: 6267753514

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.