Active NPI 1245640705 Individual Practitioner Male Practitioner

Dr. Chao Hui Yang , MD

Dermatology • Boston, MA

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. Chao Yang, MD is a registered Dermatology practitioner in Boston, MA. With approximately 12 years of clinical practice since graduating from Harvard Medical School in 2014, Dr. Yang provides healthcare services at the registered practice location at 221 LONGWOOD AVE DEPT OF.

Dr. Yang maintains professional affiliations with Johns Hopkins University, Cambridge Public Health Commission and does not directly accept Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, telephone, internet, or electronic health record assessment and management with written report by consulting physician, at least, tangential biopsy of single skin lesion. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

221 Longwood Ave Dept Of

Boston, MA 021155817

Telephone 2027413000

Associated Practice Facility / Clinic

🏢 George Washington University Hospital Facility NPI 1316205727

Medicare Profile & Education

Medical School

Harvard Medical School

Graduation Year

2014

Medicare Assignment

Not Specified

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Dermatology in Boston, MA

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

12 Yrs -4.4 yrs vs City Avg

City Avg: 16.4 Yrs

State Avg: 27.5 Yrs

Regional Practice Density

270 Specialists

Practicing in Boston, MA (648 Statewide)

Telehealth Adoption Rate

18.1% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

61.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Yang (12 Years) 12 Yrs

Boston Specialty Average (16.4 Years) 16.4 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
99213 Established patient office or other outpatient visit, typically 15 minutes	166	104	$165.51	$70.57
99451 Telephone, internet, or electronic health record assessment and management with written report by consulting physician, at least 5 minutes	55	55	$81.00	$37.40
11102 Tangential biopsy of single skin lesion	49	42	$101.20	$36.09
17003 Destruction of precancer skin growth, 2-14 growths	48	15	$14.00	$2.19
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	39	30	$252.18	$102.44
17000 Destruction of skin growth	34	29	$166.00	$58.85
17110 Destruction of up to 14 skin growths	29	24	$229.00	$78.24
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	12	12	$226.25	$87.56

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	125	89	$140.00	$69.84
99451 Telephone, internet, or electronic health record assessment and management with written report by consulting physician, at least 5 minutes	65	63	$81.00	$38.02
17003 Destruction of precancer skin growth, 2-14 growths	46	16	$14.00	$2.19
11102 Tangential biopsy of single skin lesion	39	35	$89.00	$34.44
17000 Destruction of skin growth	29	24	$166.00	$55.08
17110 Destruction of up to 14 skin growths	18	16	$229.00	$72.86
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	16	16	$207.00	$88.15
11103 Biopsy of related skin growth, each additional growth	15	14	$190.00	$23.23
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	12	12	$205.00	$103.90
99221 Initial hospital inpatient care per day, typically 30 minutes	12	12	$251.00	$82.28

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	74	50	$140.00	$73.21
99451 Telephone, internet, or electronic health record assessment and management with written report by consulting physician, at least 5 minutes	44	44	$81.00	$39.61
11102 Tangential biopsy of single skin lesion	33	28	$89.00	$38.40
17000 Destruction of skin growth	20	13	$166.00	$56.88
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	20	16	$205.00	$107.86
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	14	14	$207.00	$91.25

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	50	31	$140.00	$73.61
99451 Telephone, internet, or electronic health record assessment and management with written report by consulting physician, at least 5 minutes	39	39	$81.00	$39.26
11102 Tangential biopsy of single skin lesion	36	30	$89.00	$38.69
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	24	24	$207.00	$91.10
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	19	15	$205.00	$108.81
17110 Destruction of up to 14 skin growths	11	11	$229.00	$75.66

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	20	20	$207.00	$83.17
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	17	16	$315.00	$86.41
99451 Telephone, internet, or electronic health record assessment and management with written report by consulting physician, at least 5 minutes	17	17	$81.00	$40.48
99213 Established patient office or other outpatient visit, typically 15 minutes	14	11	$204.00	$55.87
99202 New patient office or other outpatient visit, typically 20 minutes	12	12	$144.00	$55.65

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths	155	29	$39.09	$4.11
99213 Established patient office or other outpatient visit, typically 15 minutes	76	60	$222.96	$61.02
11102 Tangential biopsy of single skin lesion	67	61	$278.97	$68.84
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	66	61	$348.94	$95.31
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	53	53	$389.58	$105.10
17000 Destruction of skin growth	53	47	$273.55	$52.32
99202 New patient office or other outpatient visit, typically 20 minutes	43	43	$261.49	$72.18
11103 Biopsy of related skin growth, each additional growth	42	31	$154.71	$41.50
17110 Destruction of up to 14 skin growths	32	29	$363.56	$97.96
11104 Punch biopsy, first skin growth	20	18	$335.00	$86.34

Medical Specialties & State Licenses

CMS Verified: 2025-06-24

Dermatology Primary Specialty

NUCC Taxonomy Code: 207N00000X

State License MD D0103635

A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.

Dermatology

NUCC Taxonomy Code: 207N00000X

State License MA 274028

Hospital & Practice Group Affiliations

Johns Hopkins University

6201 Greenleigh Ave, Middle River, MD 212202004

Johns Hopkins University

600 N Wolfe St, Baltimore, MD 212870005

Phone: 4105024340

Johns Hopkins University

600 N Wolf St, Baltimore, MD 212870005

Phone: 4109555000

Johns Hopkins University

5755 Cedar Ln, Columbia, MD 210442912

Phone: 4107407544

Johns Hopkins University

601 N Caroline St, Baltimore, MD 212870006

Phone: 4109555080

Johns Hopkins University

10710 Charter Dr, Columbia, MD 210443276

Phone: 4435461500

Cambridge Public Health Commission

230 Highland Ave, Somerville, MA 021431408

Phone: 6175914500

Johns Hopkins University

5759 Cedar Ln, Columbia, MD 210442912

Phone: 4437183738

Johns Hopkins University

5755 Cedar Ln, Columbia, MD 210442999

Phone: 4107407890

Johns Hopkins University

4940 Eastern Ave, Baltimore, MD 212242735

Phone: 4105500100

Secondary Practice Locations

1800 Orleans St

Baltimore, MD 212870010

Phone: 4100220375

Practice Associates & Co-Workers

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

40 Associated Practitioners

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Radiology - Diagnostic Radiology

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Dr. Niraj Gowda , MD

Student in an Organized Health Care Education/Training Program

NPI 1003378134

Doctor of Medicine (M.D.)

Dr. Christopher Badger , MD

Student in an Organized Health Care Education/Training Program

NPI 1003495227

Doctor of Medicine (M.D.)

Dr. Monica Manrique Castrillon , MD

Student in an Organized Health Care Education/Training Program

NPI 1003510603

Doctor of Medicine (M.D.)

Dr. William Hiatt , MD

Student in an Organized Health Care Education/Training Program

NPI 1003610627

Doctor of Medicine (M.D.)

Dr. Kristin Raphel , MD

Emergency Medicine

NPI 1013479245

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

13 Historical Events

📍

Updated Business Mailing Address June 24, 2025

Registered at 6201 GREENLEIGH AVE, MIDDLE RIVER, MD 212202004 (Tel: 4109332704)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) June 24, 2025

Dermatology (License #274028 in MA)

📍

Updated Business Mailing Address January 07, 2021

Registered at 1493 CAMBRIDGE ST, CAMBRIDGE, MA 021391047 (Tel: 6175259496)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 07, 2021

Student in an Organized Health Care Education/Training Program

📍

Updated Practice Location May 02, 2018

Registered at 221 LONGWOOD AVE DEPT OF, BOSTON, MA 021155817 (Tel: 2027413000)

📍

Updated Business Mailing Address May 02, 2018

Registered at 221 LONGWOOD AVE, BOSTON, MA 021155804 (Tel: 6175259496)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) May 02, 2018

Dermatology (License #274028 in MA)

✅

NPI Profile Active May 05, 2014

NPI status registered as active in NPPES database

📍

Updated Practice Location May 05, 2014

Registered at 2150 PENNSYLVANIA AVE NW, WASHINGTON, DC 200373201 (Tel: 2027413000)

📍

Updated Business Mailing Address May 05, 2014

Registered at 13204 VALLEY DR, ROCKVILLE, MD 208503625 (Tel: 3015262586)

👤

Provider Name / Credentials Updated May 05, 2014

Recorded as CHAO YANG, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) May 05, 2014

Student in an Organized Health Care Education/Training Program

🟢

Initial NPI Registration & Enumeration May 05, 2014

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: 1245640705

Entity Type:

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

Enumeration Date: May 05, 2014

Last Update: June 24, 2025

Sole Proprietor: No

Update or Correct Profile

Mailing Address

6201 Greenleigh Ave

Middle River, MD 212202004

Phone: 4109332704

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.