Active NPI 1295016533 Individual Practitioner Male Practitioner

Dr. Young Seong Chang , MD

Internal Medicine • Suwanee, GA

Professional Overview & Biography Verified Profile Summary

Dr. Young Chang, MD is a certified Internal Medicine practicing in Suwanee, GA. With approximately 15 years of clinical experience since graduating from Loma Linda University School Of Medicine in 2011, Dr. Chang delivers high-quality medical care to the local community at 1325 SATELLITE BLVD NW STE 701A.

Dr. Chang maintains professional affiliations with Jk Internal Medicine And Geriatrics,Pc, Memorial Health Partners Foundation, Inc and does not directly accept 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

1325 Satellite Blvd Nw Ste 701a

Suwanee, GA 300244676

Telephone 6784171255

Fax 6784171258

Associated Practice Facility / Clinic

🏢 Jk Internal Medicine & Geriatrics,pc Facility NPI 1649460437

Medicare Profile & Education

Medical School

Loma Linda University School Of Medicine

Graduation Year

2011

Medicare Assignment

Not Specified

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Suwanee, GA

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

15 Yrs -9.7 yrs vs City Avg

City Avg: 24.7 Yrs

State Avg: 25.9 Yrs

Regional Practice Density

30 Specialists

Practicing in Suwanee, GA (4065 Statewide)

Telehealth Adoption Rate

30.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

53.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Chang (15 Years) 15 Yrs

Suwanee Specialty Average (24.7 Years) 24.7 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
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	313	154	$142.00	$73.26
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	146	100	$205.00	$109.67
99239 Hospital discharge day management, more than 30 minutes	134	133	$219.00	$106.02
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	38	38	$414.00	$160.65
99231 Follow-up hospital inpatient care per day, typically 15 minutes	23	12	$96.00	$45.80
99238 Hospital discharge day management, 30 minutes or less	19	19	$142.00	$74.91

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	347	185	$142.00	$74.01
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	239	154	$205.00	$111.66
99239 Hospital discharge day management, more than 30 minutes	157	156	$217.85	$107.54
99238 Hospital discharge day management, 30 minutes or less	70	69	$142.00	$75.47
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	50	48	$413.28	$164.29

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	245	116	$133.60	$66.82
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	108	84	$196.78	$95.98
99239 Hospital discharge day management, more than 30 minutes	93	93	$190.55	$97.40
99217 Hospital observation care on day of discharge	34	34	$138.47	$64.27
99231 Follow-up hospital inpatient care per day, typically 15 minutes	32	17	$96.00	$36.17
99220 Hospital observation care, typically 70 minutes	23	23	$353.61	$167.70
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	21	21	$366.00	$185.53
99225 Subsequent observation care, typically 25 minutes per day	20	17	$129.50	$66.50
99238 Hospital discharge day management, 30 minutes or less	15	15	$138.67	$67.10

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	245	116	$131.00	$68.18
99239 Hospital discharge day management, more than 30 minutes	69	66	$183.00	$100.95
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	61	41	$193.00	$98.36
99231 Follow-up hospital inpatient care per day, typically 15 minutes	36	20	$96.00	$36.63
99238 Hospital discharge day management, 30 minutes or less	20	20	$137.00	$68.44
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	19	19	$351.00	$190.60
99217 Hospital observation care on day of discharge	16	16	$137.00	$68.45

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	456	234	$131.00	$70.62
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	182	105	$193.00	$101.73
99239 Hospital discharge day management, more than 30 minutes	115	112	$183.00	$104.22
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	49	46	$351.00	$196.79
99231 Follow-up hospital inpatient care per day, typically 15 minutes	42	28	$96.00	$38.25
99238 Hospital discharge day management, 30 minutes or less	36	36	$137.00	$70.58
99220 Hospital observation care, typically 70 minutes	25	24	$351.00	$179.98
99217 Hospital observation care on day of discharge	21	21	$137.00	$70.20
99225 Subsequent observation care, typically 25 minutes per day	17	13	$125.00	$71.08

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	610	274	$131.00	$68.63
99238 Hospital discharge day management, 30 minutes or less	144	135	$137.00	$69.40
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	80	80	$351.00	$193.66
99231 Follow-up hospital inpatient care per day, typically 15 minutes	74	53	$96.00	$37.24
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	73	51	$193.00	$98.74
99239 Hospital discharge day management, more than 30 minutes	48	48	$183.00	$102.49
99217 Hospital observation care on day of discharge	32	31	$137.00	$69.73
99220 Hospital observation care, typically 70 minutes	24	24	$351.00	$177.86
99225 Subsequent observation care, typically 25 minutes per day	15	14	$125.00	$69.99
99219 Hospital observation care, typically 50 minutes	11	11	$232.00	$130.12

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	660	281	$131.00	$68.75
99231 Follow-up hospital inpatient care per day, typically 15 minutes	162	101	$96.00	$37.07
99238 Hospital discharge day management, 30 minutes or less	132	125	$137.00	$68.55
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	94	77	$193.00	$98.40
99239 Hospital discharge day management, more than 30 minutes	84	81	$183.00	$101.25
99217 Hospital observation care on day of discharge	54	54	$137.00	$68.33
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	49	49	$351.00	$189.90
99225 Subsequent observation care, typically 25 minutes per day	35	31	$125.00	$68.03
99220 Hospital observation care, typically 70 minutes	30	30	$351.00	$177.27
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	17	17	$287.00	$129.62
99219 Hospital observation care, typically 50 minutes	14	14	$232.00	$123.14
99291 Critical care, first 30-74 minutes	13	12	$433.00	$211.81

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	666	324	$131.00	$68.42
99239 Hospital discharge day management, more than 30 minutes	143	139	$183.00	$101.75
99238 Hospital discharge day management, 30 minutes or less	127	125	$137.00	$67.84
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	126	122	$351.00	$190.78
99231 Follow-up hospital inpatient care per day, typically 15 minutes	123	72	$96.00	$36.97
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	112	91	$193.00	$98.37
99220 Hospital observation care, typically 70 minutes	60	60	$351.00	$173.71
99217 Hospital observation care on day of discharge	34	34	$137.00	$68.80
99225 Subsequent observation care, typically 25 minutes per day	15	13	$125.00	$69.18
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	11	11	$287.00	$129.61
99219 Hospital observation care, typically 50 minutes	11	11	$232.00	$120.28

Medical Specialties & State Licenses

CMS Verified: 2026-02-25

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License GA 104038

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.

Hospital & Practice Group Affiliations

Memorial Health Partners Foundation, Inc

5600 Brainerd Rd, Chattanooga, TN 374115371

Phone: 4234143586

Jk Internal Medicine And Geriatrics,pc

1325 Satellite Blvd Nw, Suwanee, GA 300244676

Phone: 6784171255

Practice Associates & Co-Workers

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

5 Associated Practitioners

Jaesuk Lee , FNP-C

Nurse Practitioner - Family

NPI 1356746028

Family Nurse Practitioner (Certified)

Dr. Jaeyoung Lee , MD

Internal Medicine

NPI 1427499615

Doctor of Medicine (M.D.)

Min Jeong Kim

Internal Medicine

NPI 1669904892

Dr. Jinahn Kim , MD

Internal Medicine

NPI 1922057702

Doctor of Medicine (M.D.)

John Kwon , NP

Nurse Practitioner - Adult Health

NPI 1922850437

Nurse Practitioner

Career & Practice History Timeline

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

9 Historical Events

📍

Updated Practice Location February 25, 2026

Registered at 1325 SATELLITE BLVD NW STE 701A, SUWANEE, GA 300244676 (Tel: 6784171255)

📍

Updated Business Mailing Address February 25, 2026

Registered at 1325 SATELLITE BLVD NW STE 701A, SUWANEE, GA 300244676 (Tel: 6784171255)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) February 25, 2026

Internal Medicine (License #104038 in GA)

✅

NPI Profile Active September 30, 2014

NPI status registered as active in NPPES database

📍

Updated Practice Location September 30, 2014

Registered at 2051 HAMILL RD, HIXSON, TN 373436614 (Tel: 4234952620)

📍

Updated Business Mailing Address September 30, 2014

Registered at 2051 HAMILL RD, HIXSON, TN 373436614 (Tel: 4234952620)

👤

Provider Name / Credentials Updated September 30, 2014

Recorded as YOUNG CHANG, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) September 30, 2014

Internal Medicine (License #51621 in TN)

🟢

Initial NPI Registration & Enumeration August 31, 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: 1295016533

Entity Type:

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

Enumeration Date: August 31, 2011

Last Update: February 25, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

1325 Satellite Blvd Nw Ste 701a

Suwanee, GA 300244676

Phone: 6784171255

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.