HAN-YING CHANG
NPI 1184882870
Ophthalmology in Boston, MA

Q: What is Han-ying Chang's NPI number?

The NPI number for Han-ying Chang is 1184882870. It was assigned to this individual provider in the NPPES registry on May 29, 2008.

Q: What is Han-ying Chang's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Q: When was this NPI record last updated?

The NPPES record for Han-ying Chang was last updated on October 24, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years 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.

Active since May 29, 2008PECOS EnrolledAccepts Medicare Assignment

243 CHARLES ST, BOSTON, MA 02114(617) 523-7900 Get Directions Write a Review

NPPES record last updated: October 24, 2012. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Han-ying Chang NPPES

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

HAN-YING CHANG (NPI 1184882870) is an individual ophthalmology provider in Boston, Massachusetts, licensed in Massachusetts (250406) and active in the NPI registry since May 2008. She is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of Johns Hopkins University School Of Medicine (2008).

NPPES Registry Identity

NPI1184882870

Entity TypeIndividualFemale

Primary Taxonomy207W00000X

Provider Legal NameHAN-YING CHANG

Location Address243 CHARLES STBoston, MA 02114-3002

Mailing Address4 Emerson Pl, Apt 607Boston, MA 02114-2275

Phone(617) 523-7900

Sole ProprietorNo

Medical School CMSJohns Hopkins University School Of MedicineGraduated 2008

Enumeration DateMay 29, 2008

Last NPPES UpdateOctober 24, 2012

✔ NPI 1184882870 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians

Taxonomy Code207W00000X

License✔ Licensed in MA · 250406

Definition

An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

243 CHARLES ST, Boston, MA 02114

Open in Google Maps ↗

Accepted Insurance

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

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Han-ying Chang is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6901064849

PECOS Enrollment IDI20120810000312

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.

Medicare Billing Reassignment

Medicare enrollment records show Han-ying Chang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Massachusetts Eye And Ear Associates, Inc.

Same address

Ophthalmology

243 CHARLES ST
Boston, MA 02114

Reassigned Medicare billing, Massachusetts enrollment
478 clinicians in this Medicare group

NPI 1932574332 (617) 523-7900

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 19

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 complete exam of visual system 92014

An established patient complete exam of the visual system involves a thorough check of your eyes and vision. It assesses eye health, checks for diseases, and measures your ability to see clearly at different distances. It's a routine, non-invasive procedure.

201 services185 patients

Imaging of retina 92134

Imaging of the retina is a non-invasive procedure that captures detailed images of your eye's interior. This helps detect conditions like macular degeneration or retinal detachment. It's painless and takes only a few minutes.

85 services79 patients

Photography of content of eyes 92285

Photography of the content of eyes, also known as ocular photography, captures detailed images of different parts of the eye. It helps identify and monitor conditions like glaucoma, macular degeneration, or diabetic retinopathy. The process is non-invasive and painless.

81 services70 patients

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.

72 services63 patients

Exam of visual field with extended testing 92083

An extended visual field exam is a detailed test to evaluate your peripheral (side) vision. It helps to detect any potential blind spots which may not be noticeable in daily life. These could be caused by eye diseases like glaucoma, or neurological conditions.

70 services56 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

66 services49 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.

66 services60 patients

Imaging of optic nerve 92133

Imaging of the optic nerve is a non-invasive procedure that captures detailed pictures of your optic nerve. It helps doctors assess eye health, particularly for conditions like glaucoma. It's painless, quick, and uses safe technology like MRI or OCT (Optical Coherence Tomography).

54 services53 patients

Established patient complete exam of visual system 92014

47 services44 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

30 services29 patients

Measurement of corneal curvature and depth of eye 92136

This procedure measures the shape and depth of your eye, specifically the cornea, the clear front surface. It helps in diagnosing conditions, planning for surgeries, or fitting contact lenses. It's non-invasive and painless.

27 services27 patients

Exam of the internal drainage system of eye 92020

This is a procedure where your doctor examines the eye's internal drainage system, essential for maintaining eye pressure. They use specialized tools to check for blockages or damage that might lead to conditions like glaucoma. It's non-invasive and painless.

26 services26 patients

Removal of cataract with insertion of prosthetic lens 66984

This is a procedure where a cloudy lens in your eye, known as a cataract, is removed. After removal, a clear artificial lens is inserted. This helps to restore your vision, enabling you to see clearly again.

24 services18 patients

Biopsy of eyelid lining 68100

A biopsy of the eyelid lining is a procedure where a small piece of tissue is removed from the inside of your eyelid. This tissue is then examined under a microscope to check for diseases or infections. It's a safe, quick procedure performed under local anesthesia.

22 services12 patients

Imaging of front third of eye 92132

Imaging of the front third of the eye, also known as anterior segment imaging, captures detailed images of the eye's front part. This includes the iris, cornea, and lens. It's a non-invasive procedure that helps diagnose and monitor eye conditions.

22 services15 patients

Ct scan of cornea 92025

A CT scan of the cornea is a non-invasive imaging test that uses X-rays to capture detailed pictures of your eye's cornea. It helps in diagnosing diseases or damage, planning for surgery, or evaluating the results of a treatment. It's a safe and painless procedure.

16 services15 patients

Imaging of retina 92134

16 services16 patients

Destruction of growth of eyelid lining 68135

"Destruction of growth of eyelid lining" is a procedure to remove abnormal growths from the inner surface of your eyelid. It involves applying a special solution or using a laser to destroy the unwanted cells. This can help prevent discomfort and improve eye health.

13 services11 patients

New patient complete exam of visual system 92004

A new patient complete exam of the visual system is a thorough evaluation of your eyes and vision. It checks for any potential issues and assesses overall eye health. It includes tests for visual acuity, eye movement, and light response.

12 services12 patients

Hospital Affiliations CMS Care Compare 2

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

Massachusetts General Hospital

Acute Care Hospitals · Boston, MA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220071

Location55 Fruit StreetBoston, MA 02114 · Suffolk County

Emergency services Birthing friendly

Massachusetts Eye And Ear Infirmary -

Acute Care Hospitals · Boston, MA

OwnershipVoluntary non-profit - Private

CMS Certification Number220075

Location243 Charles StreetBoston, MA 02114 · Suffolk County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02114 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

$144.11 typical visit price

range $63.72 – $189.86

Typical copayment $36.02 (range $15.93 – $47.46)

Most-billed visit code 99204

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.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CARLA PETERSEN AU.D., CCC-A

Audiologist

243 CHARLES ST, AUDIOLOGY DEPARTMENT
BOSTON, MA 02114

Suffolk County (617) 573-3266

DR. SULEMAN IMRAN KHAN MD

Ophthalmology

243 CHARLES ST
BOSTON, MA 02114

Suffolk County (617) 573-4443

DR. RYAN CARLSON MD PHD

Student in an Organized Health Care Education/Training Program

243 CHARLES ST
BOSTON, MA 02114

Suffolk County (617) 523-7900

MASSACHUSETTS EYE AND EAR INFIRMARY

Eyewear Supplier

243 CHARLES ST
BOSTON, MA 02114

Suffolk County (617) 573-3182

DANIEL ROBERT LEFEBVRE M.D.

Ophthalmology

243 CHARLES ST, 10TH FLOOR -- OPHTHALMIC PLASTIC SURGERY
BOSTON, MA 02114

Suffolk County (617) 523-7900

ELLIOTT D. KOZIN MD

Otolaryngology

243 CHARLES ST
BOSTON, MA 02114

Suffolk County (617) 573-6545

DR. LUCIA K SOMBERG MD, MPH

Emergency Medicine

243 CHARLES ST
BOSTON, MA 02114

Suffolk County (617) 573-3431

MS. JANET ENGLISH HUETTIG LICSW

Social Worker (Clinical)

243 CHARLES ST
BOSTON, MA 02114

Suffolk County (617) 573-3548

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 Han-ying Chang's NPI number?

The NPI number for Han-ying Chang is 1184882870. It was assigned to this individual provider in the NPPES registry on May 29, 2008.

Where is Han-ying Chang located?

Han-ying Chang practices at 243 Charles St, Boston, MA 02114. The listed phone number is (617) 523-7900.

What is Han-ying Chang's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is Han-ying Chang enrolled in Medicare?

Yes. Han-ying Chang is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Han-ying Chang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Han-ying Chang reassigns Medicare benefits to Massachusetts Eye And Ear Associates, Inc. (Boston, MA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Han-ying Chang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Han-ying Chang accept?

Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Han-ying Chang 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 Han-ying Chang affiliated with any hospitals?

According to CMS data, Han-ying Chang is affiliated with Massachusetts General Hospital and Massachusetts Eye And Ear Infirmary -.

When was this NPI record last updated?

The NPPES record for Han-ying Chang was last updated on October 24, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years 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.