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DR. CHAO HUI YANG MD
NPI 1245640705
Dermatology in Boston, MA

Active since May 05, 2014PECOS Enrolled
86.26/100
CMS Quality Rating
221 LONGWOOD AVE DEPT OF, BOSTON, MA 02115(202) 741-3000 Get Directions Write a Review

NPPES record last updated: June 24, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jun 24, 2025, Jun 17, 2025, Jan 7, 2021 and 1 more (4 updates tracked since 2018).

About Dr. Chao Hui Yang Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. CHAO HUI YANG MD (NPI 1245640705) is an individual dermatology provider in Boston, Massachusetts, licensed in Maryland (D0103635) and active in the NPI registry since May 2014. He is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Hospital, The, and maintains a secondary practice location in Baltimore.

NPPES Registry Identity

NPI1245640705
Entity TypeIndividualMale
Primary Taxonomy207N00000X
Provider Legal NameDR. CHAO HUI YANGCredential: MD
Location Address221 LONGWOOD AVE DEPT OFBoston, MA 02115-5817
Mailing Address6201 Greenleigh AveMiddle River, MD 21220-2004 · (410) 933-2704 · Fax (410) 500-4266
Phone(202) 741-3000
Sole ProprietorNo
Medical School CMSHarvard Medical SchoolGraduated 2014
Enumeration DateMay 5, 2014
Last NPPES UpdateJune 24, 20254 updates tracked since enumeration
NPPES CertifiedJune 24, 2025
✔ NPI 1245640705 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians
Taxonomy Code207N00000X
Licenses✔ Licensed in MD · D0103635✔ Licensed in MA · 274028
Definition
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.
221 LONGWOOD AVE DEPT OF, Boston, MA 02115
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Secondary Practice Location 1

Location 11800 Orleans StBaltimore, MD 21287-0010 · Phone (410) 022-0375 · Fax (410) 955-0737

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Chao Hui Yang Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1153639596
PECOS Enrollment IDI20180510001530, I20250627001112
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
166 services104 patients
Telephone, internet, or electronic health record assessment and management with written report by consulting physician, at least 5 minutes 99451
This service involves a consulting physician assessing your health condition via a phone or internet interaction. The doctor will spend at least 5 minutes discussing your health concerns. Afterwards, a written report summarizing the findings and recommendations will be provided for your reference.
55 services55 patients
Biopsy of related skin growth, first growth 11102
A biopsy of a skin growth involves taking a small sample of the growth to examine it under a microscope. This helps determine if the growth is harmful. The procedure is typically quick, with minimal discomfort. It's a crucial step in ensuring your skin's health.
49 services42 patients
Destruction of precancer skin growth, 2-14 growths 17003
This procedure involves removing 2-14 precancerous skin growths. The growths are treated to prevent them from potentially developing into skin cancer. The process is safe, with minimal discomfort, and promotes healthier skin.
48 services15 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
39 services30 patients
Destruction of precancer skin growth, 1 growth 17000
"Destruction of precancer skin growth" is a procedure that eliminates a single precancerous skin growth. This is done to prevent it from developing into skin cancer. The growth may be removed using various methods such as cryotherapy (freezing), laser therapy, or topical medications.
34 services29 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Johns Hopkins Hospital, The

Acute Care Hospitals · Baltimore, MD
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210009
Location600 North Wolfe StreetBaltimore, MD 21287 · Baltimore City County
Emergency services Birthing friendly

Johns Hopkins Bayview Medical Center

Acute Care Hospitals · Baltimore, MD
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210029
Location4940 Eastern AvenueBaltimore, MD 21224 · Baltimore City County
Emergency services Birthing friendly

Cambridge Health Alliance

Acute Care Hospitals · Cambridge, MA
3/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number220011
Location1493 Cambridge StreetCambridge, MA 02138 · Middlesex County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02115 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
Established Patient
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

86.26/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality78.84
Promoting Interoperability100
Improvement Activities40
Cost58.7

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Chao Yang's NPI number?

The NPI number for Chao Yang is 1245640705. It was assigned to this individual provider in the NPPES registry on May 5, 2014.

Where is Chao Yang located?

Chao Yang practices at 221 Longwood Ave Dept Of, Boston, MA 02115. The listed phone number is (202) 741-3000.

What is Chao Yang's specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

Is Chao Yang enrolled in Medicare?

Yes. Chao Yang is registered in the Medicare PECOS enrollment system.

What insurance does Chao Yang accept?

Health plans from Anthem Blue Cross and Blue Shield list Chao Yang as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Chao Yang affiliated with any hospitals?

According to CMS data, Chao Yang is affiliated with Johns Hopkins Hospital, The, Johns Hopkins Bayview Medical Center and Cambridge Health Alliance.

When was this NPI record last updated?

The NPPES record for Chao Yang was last updated on June 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.