Active NPI 1124091194 Individual Practitioner Female Practitioner

Dr. Ping Chang , MD

Internal Medicine • Saint Charles, MO

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Ping Chang, MD is a certified Internal Medicine practicing in Saint Charles, MO. With approximately 38 years of clinical experience since completing medical education in 1988, Dr. Chang delivers high-quality medical care to the local community at 300 1ST CAPITOL DR.

Dr. Chang is affiliated with Southeastern Physician Services Pc 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, follow-up hospital inpatient care per day. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

300 1st Capitol Dr

Saint Charles, MO 633012844

Telephone 3143170600

Fax 3143170606

Associated Practice Facility / Clinic

🏢 Intensiva Hospital Of Greater St. Louis Inc Facility NPI 1275533747

Medicare Profile & Education

Medical School

Other

Graduation Year

1988

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Saint Charles, MO

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

38 Yrs +12.2 yrs vs City Avg

City Avg: 25.8 Yrs

State Avg: 25.5 Yrs

Regional Practice Density

36 Specialists

Practicing in Saint Charles, MO (2747 Statewide)

Telehealth Adoption Rate

22.2% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

74.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Chang (38 Years) 38 Yrs

Saint Charles Specialty Average (25.8 Years) 25.8 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
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	610	258	$278.00	$75.32
99239 Hospital discharge day management, more than 30 minutes	180	170	$411.00	$109.32
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	96	64	$398.00	$113.45
99231 Follow-up hospital inpatient care per day, typically 15 minutes	40	22	$148.00	$47.17
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	31	31	$773.00	$164.83
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	23	23	$525.00	$124.76

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	443	224	$292.81	$77.04
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	172	107	$436.71	$115.91
99239 Hospital discharge day management, more than 30 minutes	148	145	$427.01	$111.01
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	64	64	$500.39	$125.45
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	63	63	$749.30	$168.89
99231 Follow-up hospital inpatient care per day, typically 15 minutes	30	22	$150.67	$47.38

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	595	278	$436.92	$100.06
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	387	210	$320.66	$69.74
99239 Hospital discharge day management, more than 30 minutes	205	200	$419.15	$102.46
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	69	67	$724.21	$193.60
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	19	19	$733.34	$132.73
99217 Hospital observation care on day of discharge	12	12	$337.29	$69.91
99497 Advance care planning, first 30 minutes	12	12	$438.05	$76.32

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	593	343	$455.77	$70.92
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	424	228	$566.69	$102.05
99239 Hospital discharge day management, more than 30 minutes	142	140	$611.76	$105.07
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	130	129	$955.98	$134.37
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	59	59	$1116.99	$195.12
99497 Advance care planning, first 30 minutes	30	30	$562.59	$77.58
99225 Subsequent observation care, typically 25 minutes per day	20	16	$503.39	$71.02
99217 Hospital observation care on day of discharge	16	16	$482.20	$71.29

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	669	364	$432.28	$72.28
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	386	222	$599.36	$103.95
99239 Hospital discharge day management, more than 30 minutes	138	137	$671.43	$107.32
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	102	101	$933.93	$138.32
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	40	40	$1189.75	$203.39
99497 Advance care planning, first 30 minutes	37	37	$562.59	$79.17
99217 Hospital observation care on day of discharge	17	17	$482.99	$72.76
99225 Subsequent observation care, typically 25 minutes per day	16	16	$444.14	$72.94

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	771	377	$441.56	$72.31
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	377	227	$619.25	$103.78
99239 Hospital discharge day management, more than 30 minutes	195	187	$608.93	$106.60
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	123	122	$939.04	$135.81
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	72	70	$1055.83	$201.55
99497 Advance care planning, first 30 minutes	61	59	$454.03	$79.15
99225 Subsequent observation care, typically 25 minutes per day	38	27	$509.24	$69.10
99217 Hospital observation care on day of discharge	33	33	$507.99	$72.92
99220 Hospital observation care, typically 70 minutes	14	14	$1318.91	$185.74

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	633	276	$732.37	$103.15
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	532	261	$508.86	$72.00
99239 Hospital discharge day management, more than 30 minutes	247	237	$759.88	$106.54
99497 Advance care planning, first 30 minutes	82	74	$194.70	$77.48
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	77	77	$972.22	$135.96
99217 Hospital observation care on day of discharge	60	60	$517.52	$72.46
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	59	59	$1439.50	$198.73
99220 Hospital observation care, typically 70 minutes	18	18	$1318.91	$185.04

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	999	462	$311.99	$69.85
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	721	308	$407.17	$100.87
99239 Hospital discharge day management, more than 30 minutes	311	293	$450.11	$103.87
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	88	86	$837.43	$195.25
99217 Hospital observation care on day of discharge	63	61	$379.24	$70.51
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	53	53	$806.62	$134.34
99238 Hospital discharge day management, 30 minutes or less	46	46	$335.08	$70.22
99231 Follow-up hospital inpatient care per day, typically 15 minutes	22	12	$187.87	$37.25
99225 Subsequent observation care, typically 25 minutes per day	22	20	$425.88	$70.32
99220 Hospital observation care, typically 70 minutes	13	13	$1182.95	$182.63

Medical Specialties & State Licenses

CMS Verified: 2022-06-24

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License MO 2003022690

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.

Hospitalist

NUCC Taxonomy Code: 208M00000X

State License MO 2003022690

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

209155209 (MO)

Medicaid State Provider ID

1124091194 (IL)

Hospital & Practice Group Affiliations

Southeastern Physician Services Pc

11133 Dunn Rd, Saint Louis, MO 631366163

Phone: 3146534450

Southeastern Physician Services Pc

10 Hospital Dr, Saint Peters, MO 633761659

Phone: 8005019855

Secondary Practice Locations

1101 W Liberty St

Farmington, MO 636401921

Phone: 5737051272

Practice Associates & Co-Workers

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

40 Associated Practitioners

Dr. Carol Berger , DNP, APRN, FNP-C

Nurse Practitioner - Family

NPI 1003140328

Doctor of Nursing Practice, Advanced Practice Registered Nurse, Family Nurse Practitioner (Certified)

Dr. Lesley Hanson , DO

Internal Medicine - Critical Care Medicine

NPI 1013909589

Doctor of Osteopathic Medicine (D.O.)

Dr. Peter Emerson , MD

Internal Medicine

NPI 1023045655

Doctor of Medicine (M.D.)

Dr. Ibrahim Elayyan , MD

Hospitalist

NPI 1023207115

Doctor of Medicine (M.D.)

Dr. Kehinde Hambolu , MD, MPH

Internal Medicine

NPI 1023439445

Doctor of Medicine (M.D.), Master of Public Health

Dr. Romel Izquierdo-Malon , MD

Internal Medicine

NPI 1033422357

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

8 Historical Events

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) June 24, 2022

Hospitalist (License #2003022690 in MO)

✅

NPI Profile Active April 22, 2014

NPI status registered as active in NPPES database

📍

Updated Practice Location April 22, 2014

Registered at 300 1ST CAPITOL DR, SAINT CHARLES, MO 633012844 (Tel: 3143170600)

📍

Updated Business Mailing Address April 22, 2014

Registered at 12101 WOODCREST EXECUTIVE DR, SUITE 210, SAINT LOUIS, MO 631415047 (Tel: 3143170600)

👤

Provider Name / Credentials Updated April 22, 2014

Recorded as PING CHANG, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 22, 2014

Internal Medicine (License #2003022690 in MO)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 22, 2014

Hospitalist (License #2003022690 in MO)

🟢

Initial NPI Registration & Enumeration February 09, 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: 1124091194

Entity Type:

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

Enumeration Date: February 09, 2006

Last Update: June 24, 2022

Sole Proprietor: No

Update or Correct Profile

Mailing Address

12101 Woodcrest Executive Dr, Suite 210

Saint Louis, MO 631415047

Phone: 3143170600

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.