Active NPI 1881814002 Individual Practitioner Female Practitioner

Dr. Mary Chao , DO

Internal Medicine • Lansing, MI

✓ Accepts Medicare Assignment Telehealth Available

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. Mary Chao, DO is a registered Internal Medicine practitioner in Lansing, MI. With approximately 22 years of clinical practice since graduating from Michigan State University College Of Osteopathic Medicine in 2004, Dr. Chao provides healthcare services at the registered practice location at 1540 LAKE LANSING RD.

Dr. Chao is affiliated with Mclaren Greater Lansing 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, chronic care management services, first, annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1540 Lake Lansing Rd
Suite 102

Lansing, MI 489123756

Telephone 5179133810

Fax 5179133811

Associated Practice Facility / Clinic

🏢 Knight Drugs-Lansing Inc Facility NPI 1437100617

Medicare Profile & Education

Medical School

Michigan State University College Of Osteopathic Medicine

Graduation Year

2004

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Lansing, MI

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

22 Yrs +4.3 yrs vs City Avg

City Avg: 17.7 Yrs

State Avg: 26.5 Yrs

Regional Practice Density

138 Specialists

Practicing in Lansing, MI (6010 Statewide)

Telehealth Adoption Rate

9.4% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

52.8% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Chao (22 Years) 22 Yrs

Lansing Specialty Average (17.7 Years) 17.7 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	290	150	$136.09	$96.57
99213 Established patient office or other outpatient visit, typically 15 minutes	169	103	$93.24	$66.37
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	99	20	$88.22	$50.75
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	41	41	$259.41	$131.83
99439 Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month	31	12	$78.97	$35.41
99496 Transitional care management services for problem of high complexity	13	12	$557.23	$191.63

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	304	159	$132.49	$95.18
99213 Established patient office or other outpatient visit, typically 15 minutes	149	107	$91.28	$64.52
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	52	52	$250.81	$124.91
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	17	17	$129.18	$95.44
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	11	11	$217.27	$130.69

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	374	170	$130.04	$95.49
99213 Established patient office or other outpatient visit, typically 15 minutes	127	96	$91.22	$64.91
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	39	39	$240.23	$126.23

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	390	175	$126.06	$98.71
99213 Established patient office or other outpatient visit, typically 15 minutes	100	66	$85.44	$66.29
99442 Telephone medical discussion with physician, 11-20 minutes	28	23	$162.03	$66.93
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	22	21	$164.36	$145.50
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	17	17	$232.76	$130.04
99496 Transitional care management services for problem of high complexity	15	12	$500.40	$194.66
99495 Transitional care management services for problem of at least moderate complexity	11	11	$341.18	$143.06

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	260	166	$122.71	$78.75
99213 Established patient office or other outpatient visit, typically 15 minutes	155	113	$83.27	$51.74
99442 Telephone medical discussion with physician, 11-20 minutes	142	99	$121.86	$51.44
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	46	46	$109.00	$79.54
99443 Telephone medical discussion with physician, 21-30 minutes	25	25	$158.44	$76.00
99441 Telephone medical discussion with physician, 5-10 minutes	23	21	$71.92	$25.92
99213 Established patient office or other outpatient visit, typically 15 minutes	23	22	$72.00	$51.69
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	20	19	$168.05	$107.78
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	11	11	$219.00	$112.84

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	469	269	$106.34	$90.46
99213 Established patient office or other outpatient visit, typically 15 minutes	445	242	$70.35	$59.20
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	50	45	$149.44	$126.46
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	35	35	$316.46	$166.73
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	29	29	$214.03	$112.53
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	11	11	$45.30	$8.43

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	548	299	$69.70	$58.70
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	450	264	$105.30	$91.79
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	24	18	$11.00	$9.00
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	22	22	$148.00	$137.37
99496 Transitional care management services for problem of high complexity	14	12	$334.30	$204.37

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	643	337	$69.83	$49.78
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	407	243	$105.29	$76.66
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	52	24	$11.00	$9.00
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	32	31	$26.00	$8.31
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	27	23	$69.68	$51.39
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	25	25	$142.48	$110.58
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	25	25	$110.40	$75.02

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License MI 5101016242

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

Mclaren Greater Lansing

1540 Lake Lansing Rd, Lansing, MI 489123757

Practice Associates & Co-Workers

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

15 Associated Practitioners

Dr. Chad Gerrish , DO

Internal Medicine

NPI 1063738458

Doctor of Osteopathic Medicine (D.O.)

Dr. Edmond Ducommun , MD

Physical Medicine & Rehabilitation

NPI 1093767816

Doctor of Medicine (M.D.)

Robin Smith , PA

Physician Assistant

NPI 1306943600

Physician Assistant

Dr. Mia Michelena , DO

Internal Medicine

NPI 1366485005

Doctor of Osteopathic Medicine (D.O.)

Dr. Shahzaman Abbasi , MD

Internal Medicine

NPI 1376512111

Doctor of Medicine (M.D.)

Dr. Shirley Robertson , MD

Family Medicine

NPI 1396849667

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 September 11, 2012

NPI status registered as active in NPPES database

📍

Updated Practice Location September 11, 2012

Registered at 1540 LAKE LANSING RD, SUITE 102, LANSING, MI 489123756 (Tel: 5179133810)

📍

Updated Business Mailing Address September 11, 2012

Registered at 1540 LAKE LANSING RD, SUITE 102, LANSING, MI 489123756 (Tel: 5179133810)

👤

Provider Name / Credentials Updated September 11, 2012

Recorded as MARY CHAO, D.O.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) September 11, 2012

Internal Medicine (License #5101016242 in MI)

🟢

Initial NPI Registration & Enumeration April 27, 2007

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: 1881814002

Entity Type:

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

Enumeration Date: April 27, 2007

Last Update: September 11, 2012

Sole Proprietor: No

Update or Correct Profile

Mailing Address

1540 Lake Lansing Rd, Suite 102

Lansing, MI 489123756

Phone: 5179133810

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.