Active NPI 1497047757 Individual Practitioner Male Practitioner

Dr. Eui San Cha , MD

Hospitalist • Orange, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Eui Cha, MD is a certified Hospitalist practicing in Orange, CA. With approximately 15 years of clinical experience since completing medical education in 2011, Dr. Cha delivers high-quality medical care to the local community at 2501 E CHAPMAN AVE STE 300.

Dr. Cha is affiliated with Providence Medical Foundation and accepts Medicare assignment.

Frequently performed procedures and clinical services include subsequent hospital care with moderate levelof medical decision making, if using time, at least, hospital discharge day management, more than, initial hospital care with moderate level of medical decision making, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

2501 E Chapman Ave Ste 300

Orange, CA 92869

Telephone 7147718000

Associated Practice Facility / Clinic

🏢 St. Joseph Hospital Of Orange Facility NPI 1326297078

Medicare Profile & Education

Medical School

Other

Graduation Year

2011

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Hospitalist in Orange, CA

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

15 Yrs -2.4 yrs vs City Avg

City Avg: 17.4 Yrs

State Avg: 20.1 Yrs

Regional Practice Density

79 Specialists

Practicing in Orange, CA (3108 Statewide)

Telehealth Adoption Rate

6.3% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

63.8% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Cha (15 Years) 15 Yrs

Orange Specialty Average (17.4 Years) 17.4 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
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	382	160	$337.00	$122.39
99239 Hospital discharge day management, more than 30 minutes	131	127	$329.00	$119.45
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	109	108	$493.00	$177.65
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	27	19	$224.00	$81.32

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	295	130	$266.00	$125.16
99239 Hospital discharge day management, more than 30 minutes	122	120	$276.00	$121.34
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	104	102	$514.00	$182.53
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	19	16	$189.26	$83.20
99231 Follow-up hospital inpatient care per day, typically 15 minutes	16	12	$100.00	$51.93

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	377	135	$266.00	$109.92
99239 Hospital discharge day management, more than 30 minutes	98	94	$276.00	$113.96
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	55	54	$514.00	$212.65
99220 Hospital observation care, typically 70 minutes	35	35	$464.00	$191.45
99217 Hospital observation care on day of discharge	29	29	$187.00	$77.45
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	26	18	$185.00	$76.37

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	391	146	$169.00	$111.82
99239 Hospital discharge day management, more than 30 minutes	100	99	$214.00	$116.17
99220 Hospital observation care, typically 70 minutes	60	59	$336.00	$196.55
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	58	58	$337.00	$216.71
99217 Hospital observation care on day of discharge	31	31	$153.00	$78.80
99226 Subsequent observation care, typically 35 minutes per day	12	11	$183.00	$111.84

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	400	146	$169.00	$114.18
99239 Hospital discharge day management, more than 30 minutes	100	98	$214.00	$118.20
99220 Hospital observation care, typically 70 minutes	65	64	$336.00	$200.48
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	42	42	$337.00	$221.09
99217 Hospital observation care on day of discharge	37	36	$153.00	$80.27
99226 Subsequent observation care, typically 35 minutes per day	20	19	$183.00	$114.75

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	393	157	$169.00	$111.99
99239 Hospital discharge day management, more than 30 minutes	109	103	$214.00	$116.60
99220 Hospital observation care, typically 70 minutes	62	62	$336.00	$199.95
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	56	56	$337.00	$217.89
99217 Hospital observation care on day of discharge	32	32	$153.00	$79.48
99226 Subsequent observation care, typically 35 minutes per day	16	16	$183.00	$113.01

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	346	147	$169.00	$109.17
99239 Hospital discharge day management, more than 30 minutes	119	111	$214.00	$114.01
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	63	63	$337.00	$212.26
99220 Hospital observation care, typically 70 minutes	60	58	$336.00	$195.06
99217 Hospital observation care on day of discharge	28	28	$153.00	$77.31
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	14	13	$126.00	$76.25

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	439	162	$169.00	$111.73
99239 Hospital discharge day management, more than 30 minutes	103	103	$214.00	$116.38
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	68	67	$337.00	$215.03
99220 Hospital observation care, typically 70 minutes	29	28	$336.00	$199.15
99217 Hospital observation care on day of discharge	21	20	$153.00	$78.77
99495 Transitional care management services for problem of at least moderate complexity	14	14	$431.00	$181.43
82962 Blood glucose (sugar) test performed by hand-held instrument	12	12	$12.00	$3.15

Medical Specialties & State Licenses

CMS Verified: 2020-10-21

Hospitalist Primary Specialty

NUCC Taxonomy Code: 208M00000X

State License CA A124833

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

Internal Medicine

NUCC Taxonomy Code: 207R00000X

State License CA A124833

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

Commercial Insurance / Payer ID Type 2 Npi

1912919804 (CA)

Commercial Insurance / Payer ID Medical License

A124833 (CA)

Hospital & Practice Group Affiliations

Providence Medical Foundation

1100 W Stewart Dr, Orange, CA 928683849

Phone: 7146339111

Providence Medical Foundation

1950 Sunny Crest Dr, Fullerton, CA 928353641

Phone: 7149925350

Secondary Practice Locations

1310 W Stewart Dr Ste 410

Orange, CA 928683855

Phone: 7146399401

Practice Associates & Co-Workers

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

38 Associated Practitioners

Dr. William Truong , PharmD

Pharmacist

NPI 1023405909

Doctor of Pharmacy (Pharm.D.)

Dr. Henry Yuan , MD

Internal Medicine - Nephrology

NPI 1043442379

Doctor of Medicine (M.D.)

Elham Saddady , WHNP

Nurse Practitioner - Women's Health

NPI 1073025714

Women's Health Nurse Practitioner

Damaris Guardado

Nurse Practitioner - Psychiatric/Mental Health

NPI 1073357703

Dr. Gurmanjot Samra , MD

Psychiatry & Neurology - Psychiatry

NPI 1083843619

Doctor of Medicine (M.D.)

Dr. Anwar Abdelhadi , MD

Hospitalist

NPI 1093784191

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

9 Historical Events

📍

Updated Business Mailing Address September 24, 2018

Registered at 2501 E CHAPMAN AVE STE 300, ORANGE, CA 928693204

📍

Updated Practice Location May 24, 2018

Registered at 2501 E CHAPMAN AVE STE 300, ORANGE, CA 92869 (Tel: 7147718000)

📍

Updated Business Mailing Address May 24, 2018

Registered at 200 W CENTER STREET PROMENADE STE 300, ANAHEIM, CA 928053960 (Tel: 7144494841)

✅

NPI Profile Active December 15, 2014

NPI status registered as active in NPPES database

📍

Updated Practice Location December 15, 2014

Registered at 1310 W STEWART DR STE 410, ORANGE, CA 928683855 (Tel: 7146399401)

📍

Updated Business Mailing Address December 15, 2014

Registered at 1310 W STEWART DR STE 410, ORANGE, CA 928683855 (Tel: 7146399401)

👤

Provider Name / Credentials Updated December 15, 2014

Recorded as EUI CHA, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) December 15, 2014

Internal Medicine (License #A124833 in CA)

🟢

Initial NPI Registration & Enumeration May 05, 2011

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: 1497047757

Entity Type:

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

Enumeration Date: May 05, 2011

Last Update: October 21, 2020

Sole Proprietor: No

Update or Correct Profile

Mailing Address

2501 E Chapman Ave Ste 300

Orange, CA 928693204

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.